All Wiring Diagrams for Buick Lucerne CXS 2006 model

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Buick Lucerne CXS 2006

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Buick Lucerne CXS 2006:

• (approximately 7 cm (3 in) from branch for hazard lamp switch) s202
• (behind right side of dash) blower motor
• (in i/p harness, approximately 41 cm (16 in) from branch for hazard lamp switch) s210
• (near blower motor) blower motor control module
• (under driver's seat) g300
• 5 volt ref
• A/c compressor clutch (on a/c compressor)
• Air temp motor ctrl
• Ambient air temp sens sig
• Ambient air temperature sensor (on center front of engine compt, on hood latch brace)
• Ambient light sensor sig
• Backlight lamp ctrl
• Batt pos volt
• Body control module (bcm) (right of glove box)
• Cold
• Computer data lines system
• Defogger system
• Drv air temp dr ctrl a
• Drv air temp dr ctrl b
• Drv air temp dr pos sig
• Engine coolant hot
• Evap low temp sens sig
• Evaporator temperature sensor (left of blower motor)
• Frt hvac blwr relay 5
• G112 (3.8l) g115 (4.6l) (lower left rear of engine)
• G300 (under driver's seat)
• G304 (under right front passenger's seat)
• Gmlan serial data
• Gnd
• Hi blower rly ctrl
• Hot
• Hot at all times
• Hvac control module
• I/p harn mdl fuse 10a
• Ign 1 volt
• Inside air temp sens sig
• Inside air temperature sensor (under left side of dash, left of steering column)
• Interior lights system
• L sunload sens sig
• Led dimming sig
• Left sunload sensor signal
• Logic
• Low ref
• Low reference
• Low speed gmlan serial data
• Lower mode dr ctrl b
• Lower mode dr pos sig
• Message center
• Message req
• Mode door control a
• Pass air temp dr ctrl b
• Pass air temp dr pos
• Pnk
• Power distribution system
• R sunload sens sig
• Radio
• Rear defog rly ctrl
• Rear fuse block (below left side of rear seat)
• Recir dr ctrl a
• Recir dr ctrl b
• Recir valve sol sig
• Recirculation actuator (behind right side of dash, right of blower motor)
• Right sunload sensor signal
• S200 (approximately 6 cm (2 in) from branch for hvac module)
• S203 (approximately 36 cm (14 in) from breakout for hvac module)
• S209 (in hvac harness between c206 & blower motor control module)
• Solid state
• Speed ctrl
• Sunload twilight sensor (top center of dash)
• Tan

Automatic A/C Wiring Diagram (2 of 2) for Buick Lucerne CXS 2006

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Buick Lucerne CXS 2006:

• (in hvac harness, between evaporator temperature sensor & c202) s227
• (in hvac harness, between hvac control module & mode motors)
• (left side of engine compt) (4.6l) engine control module (ecm) (3.8l) powertrain control module (pcm)
• (or tan)
• 3.8l
• 4.6l
• 5v ref 1
• A/c fuse 10a
• A/c refrigerant pressure sensor (near a/c compressor, on hose assembly)
• A/c relay
• Clutch rly ctrl
• Cold
• Computer data lines system
• Cool/ fan 1 relay
• Cool/ fan 2 relay
• Cool/ fan relay
• Def
• Driver air temperature actuator (left side of hvac module)
• Dry air temp signal
• Ect sens sig
• Engine coolant temperature (ect) sensor (3.8l: left rear of engine) (4.6l: right rear of engine)
• Fan 1 fuse 30a
• Fan 2 fuse 30a
• Front passenger air temperature actuator (right side of hvac module)
• G104 (right front corner of engine compt)
• Gmlan serial data +
• Gmlan serial data -
• Hi speed rly ctrl
• Hot
• Hot at all times
• Hot in run or start
• Hot w/ run/crnk relay energized
• Hvac/ ipc fuse 10a
• Left cooling fan (on left rear side of radiator)
• Low ref
• Low speed rly ctrl
• Mode actuator (on right side of hvac module)
• Mode valve signal
• Pass air temp signal
• Pnk
• Press sens sig
• Right cooling fan (on right rear side of radiator)
• S226
• Tan
• Underhood fuse block (on right front of engine compartment, forward of strut tower)
• Vent

Compressor Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Compressor Wiring Diagram for Buick Lucerne CXS 2006:

• 3.8l
• 4.6l
• 5 volt ref 1
• A/c compressor clutch (on a/c compressor)
• A/c fuse 10a
• A/c refrigerant pressure sensor (near a/c compressor, on hose assembly)
• A/c relay
• Clutch rly ctrl
• Computer data lines system
• G112 (3.8l) g115 (4.6l) (lower left rear of engine)
• Gmlan serial data +
• Gmlan serial data -
• Hot at all times
• Hot in run or start
• Low ref
• Powertrain control module (pcm) (3.8l) engine control module (ecm) (4.6l) (left side of engine compt)
• Sensor signal
• Tan
• Underhood fuse block (on right front of engine compt, forward of strut tower)

Manual A/C Wiring Diagram (1 of 2) for Buick Lucerne CXS 2006

List of elements for Manual A/C Wiring Diagram (1 of 2) for Buick Lucerne CXS 2006:

• (approximately 36 cm (14 in) from breakout for hvac module)
• (behind right side of dash) blower motor
• (in i/p harness, approximately 41 cm (16 in) from branch for hazard lamp switch)
• (near blower motor) blower motor control module
• 5 volt ref
• A/c compressor clutch (on a/c compressor)
• Air temp dr ctrl b
• Air temp dr pos sig
• Air temperature actuator (right side of hvac module)
• Ambient air temp sens sig
• Ambient air temperature sensor (on center front of engine compt, on hood latch brace)
• Backlight lamp ctrl
• Batt pos volt
• Cold
• Computer data lines system
• Def
• Defogger system
• Drv air temp dr ctrl a
• Dry air temp signal
• Evap low temp sens sig
• Evap temp sensor (left of blower motor)
• Frt hvac blwr relay 5
• G112 (lower left rear of engine)
• G300 (under driver's seat)
• G304 (under right front passenger's seat)
• Gnd
• Hi blower rly ctrl
• Hot
• Hot at all times
• Hvac control module
• I/p harn mdl fuse 10a
• Ign 1 volt
• Interior lights system
• Led dimming sig
• Low mode dr pos sig
• Low ref
• Low speed gmlan serial data
• Lower mode dr ctrl b
• Mode actuator (right side of hvac module)
• Mode dr ctrl a
• Mode valve signal
• Pnk
• Power distribution system
• Rear defog rly ctrl
• Rear fuse block (below left side of rear seat)
• Recir door a ctrl
• Recir door b ctrl
• Recirculation actuator (behind right side of dash, right of blower motor)
• S200 (approximately 6 cm (2 in) from branch for hvac module)
• S203
• S209 (in hvac harness between c206 & blower motor control module)
• S210
• S226
• S227
• Speed ctrl
• Tan
• Vent

Manual A/C Wiring Diagram (2 of 2) for Buick Lucerne CXS 2006

List of elements for Manual A/C Wiring Diagram (2 of 2) for Buick Lucerne CXS 2006:

• 5v ref 1
• A/c fuse 10a
• A/c refrigerant pressure sensor (near a/c compressor, on hose assembly)
• A/c relay
• Clutch rly ctrl
• Computer data lines system
• Cool/ fan 1 relay
• Cool/ fan 2 relay
• Cool/ fan relay
• Ect sens sig
• Engine coolant temperature (ect) sensor (left rear of engine)
• Fan 1 fuse 30a
• Fan 2 fuse 30a
• G104 (right front corner of engine compt)
• Gmlan serial data +
• Gmlan serial data -
• Hi speed rly ctrl
• Hot at all times
• Hot in run or start
• Hot w/ run/crnk relay energized
• Hvac/ ipc fuse 10a
• Left cooling fan (on left rear side of radiator)
• Low ref
• Low speed rly ctrl
• Pnk
• Powertrain control module (pcm)
• Press sens sig
• Right cooling fan (on right rear side of radiator)
• S229 (in ip harness, between c201 & c202)
• Tan
• Underhood fuse block (on right front of engine compartment, forward of strut tower)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 2) for Buick Lucerne CXS 2006

List of elements for Anti-lock Brakes Wiring Diagram (1 of 2) for Buick Lucerne CXS 2006:

• (base of steering column) (w/ active brake control) steering angle sensor
• (left front corner of engine compt) electronic brake control module (ebcm)
• (on floor pan, left of center console) (w/ active brake control) yaw & lateral acceleration sensor
• 5v ref
• Abs 1 fuse 50a
• Abs 2 fuse 60a
• Abs ind
• Batt pos volt
• Brake pressure modulator valve (bpmv)
• Computer data lines system
• Electronic power steering system
• Erometer sig long accel-
• G114 (lower left rear of engine)
• Gmlan (bcm)
• Gmlan (ebcm)
• Ground
• High effort ctrl
• Hot at all times
• Hot w/ run/crnk relay energized
• Hvac fuse 10a
• Ign
• Ign 1 volt
• Instrument panel cluster (ipc)
• Lateral accel- erometer sig
• Lateral accelerometer sig
• Left front inlet
• Left front isolation
• Left front outlet
• Left front prime
• Left rear inlet
• Left rear outlet
• Logic
• Long accelerometer signal
• Low effort ctrl
• Low ref
• Low reference
• Motor ctrl
• Pnk
• Position signal a
• Position signal b
• Radio
• Red
• Right front inlet
• Right front isolation
• Right front outlet
• Right front prime
• Right rear inlet
• Right rear outlet
• Sensor signal
• Serial data
• Serial data (+)
• Serial data (-)
• Serial data wake up
• Sol valve ctrl
• Solenoid valves
• Tan
• Traction ind
• Underhood fuse block (on right front of engine compt, forward of strut tower)
• Vehicle speed signal
• Vss
• Yaw rate diagnostic
• Yaw rate sensor sig

Anti-lock Brakes Wiring Diagram (2 of 2) for Buick Lucerne CXS 2006

List of elements for Anti-lock Brakes Wiring Diagram (2 of 2) for Buick Lucerne CXS 2006:

• (in engine harness, approximately 47 cm (19 in) from right front wheel speed sensor) s114
• (in engine harness, approximately 53 cm (21 in) from left front wheel speed sensor) s113
• (in engine harness, approximately 53 cm (21 in) from right front wheel speed sensor) s116
• (under right front passenger's seat) (w/o individual seat) g304
• (w/ individual seat) s204
• Body control module (bcm) (right of glove box)
• Brake pedal position sensor (top of brake pedal assembly)
• Computer data lines system
• G300 (w/ individual seat) (under driver's seat)
• Interior lights system
• Left front wheel speed sensor (wss) (on left front brake assembly, on back of hub)
• Left rear wheel speed sensor (wss) (on left rear brake assembly, on back of hub)
• Low reference
• Right front wheel speed sensor (wss) (on right front brake assembly, on back of hub)
• Right rear wheel speed sensor (wss) (on right rear brake assembly, on back of hub)
• S115 (in engine harness, approximately 59 cm (24 in) from left front wheel speed sensor)
• S383 (w/o individual seat)
• Sensor signal
• Serial data
• Serial data (+)
• Serial data (-)
• Serial data wake up
• Supp volt
• Switch signal
• Tan
• Traction control off (w/o individual seat)
• Traction control switch (with rpo a51: w/o individual seat: center of passenger compartment, on the floor console, near gear shifter) (with rpo an3: w/individual seat: front of passenger compartment, at the end of the shifter lever)
• W/ individual seat
• W/o individual seat

ANTI-THEFT

Forced Entry Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Forced Entry Wiring Diagram for Buick Lucerne CXS 2006:

• (in body harness, approximately 9 cm (3 in) from branch for c314) s343
• (under center of rear package shelf) remote control door lock receiver (rcdlr)
• (under left rear seat) g301
• Battery
• Body control module (bcm) (right of glove box)
• Body harn mdl fuse 10a
• Computer data lines system
• Ddm fuse 24 15a
• Dr lck relay
• Dr lock act ctrl
• Dr mdl/ pwr wndw circuit breaker 3 25a
• Dr unlck relay
• Dr unlock act ctrl
• Driver door latch assembly (rear of driver's door)
• Driver door module (ddm)
• Drv dr key sw sig
• Exterior lights system
• Front passenger door latch assembly (rear of front passenger's door)
• Front passenger door module (fpdm)
• G104 (right front corner of engine compt)
• G300 (under driver's seat)
• G301 (under left rear seat)
• G304 (under right front passenger's seat)
• G306 (at left "c" pillar)
• Gmlan serial data
• Ground
• Hood ajar sw sig
• Hood ajar switch (w/ remote keyless entry) (center front of engine compt)
• Hood closed sw sig
• Horn rly ctrl
• Horns system
• Hot at all times
• Ign
• Instrument panel cluster (ipc)
• Keyless entry antenna
• Keyless entry antenna sig
• Left rear door latch assembly (rear of left rear door)
• Lf dr ajar sw sig
• Lf dr open sw sig
• Lf dr sw low ref
• Logic
• Low spd gmlan ser data
• Lr dr ajar sw sig
• Lr dr lock mtr ctrl
• Lr dr open sw sig
• Nca
• Park lamp rly ctrl
• Pdm fuse 25 15a
• Rear dr lck fuse 19 20a
• Rear fuse block (below left side of rear seat)
• Rf dr ajar sw sig
• Rf dr open sw sig
• Rf dr sw low ref
• Right rear door latch assembly (rear of right rear door)
• Rr dr ajar sw sig
• Rr dr open mtr ctrl
• S301
• S337
• S385
• S700
• S800
• Security ind
• Serial data
• Tan
• Tan/ red
• Tan/red
• W/ theft deterrent system
• W/o theft deterrent system

Pass-Key Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Pass-Key Wiring Diagram for Buick Lucerne CXS 2006:

• Acc
• Acc volt
• Battery
• Computer data lines system
• G300 (under driver's seat)
• Ground
• Hot at all times
• I/p harn mdl fuse 31 10a
• Ign
• Ignition key
• Ignition switch
• Instrument panel cluster (ipc)
• Low spd gmlan ser data
• Off
• Power distribution system
• Reader/ exciter
• Rear fuse block (below left side of rear seat)
• Run
• S201
• S204
• Security ind
• Serial data
• Start
• Theft deterrent module (tdm) (in steering column)
• Transponder

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 3) for Buick Lucerne CXS 2006

List of elements for Body Control Modules Wiring Diagram (1 of 3) for Buick Lucerne CXS 2006:

• 12v reference
• Acc wakeup serial data
• Anti-lock brakes system
• Backlight lamp control
• Battery
• Battery current sensor
• Battery pos voltage
• Body control module (bcm) (right of glove box)
• Computer data lines system
• Cruise control system
• Cruise ctr ind dimming sig
• Door locks system
• Drl relay ctrl
• Exterior lights system
• F15 lt trn/ sig fuse 15a
• F16 rr trn/ sig fuse 15a
• F18 chmsl/ back-up fuse 10a
• Fog lamp relay ctrl
• Front fog lamp sw sig
• G303 (below right side of rear seat)
• G304 (under right front passenger's seat)
• Ground
• Headlamp high beam rly
• Headlights system
• Hi gmlan data bus (+)
• Hi gmlan data bus (-)
• Hi gmlan serial data up
• Hood ajar switch sig
• Hot at all times
• Interior lights system
• Led dimming signal
• Left lamp relay ctrl
• Low gmlan serial data
• Low reference
• Out moisture sns sig 1
• Out moisture sns sig 2
• Pnk
• Power distribution system
• R lamp relay ctrl
• Rear fuse block (below left side of rear seat)
• Rf turn sig lamp sply
• Run/crank ign 1 volt
• S206
• Tan
• Tan/pnk
• Washer pump low ref
• Wiper mtr park sw sig
• Wiper/washer system

Body Control Modules Wiring Diagram (2 of 3) for Buick Lucerne CXS 2006

List of elements for Body Control Modules Wiring Diagram (2 of 3) for Buick Lucerne CXS 2006:

• 12v reference
• Accessory volt
• Ambient light sns sig
• Anti-lock brakes system
• Battery pos voltage
• Body control module (bcm) (right of glove box)
• Column radio ctrl signal
• Courtesy lamp ctrl
• Courtesy lamp sw on sig
• Cruise control system
• Cruise ctrl on sw sig
• Exterior lights system
• Flash to pass sw sig
• Ground
• Hazard sw sig
• Headlamp sw hi beam sig
• Headlamp sw off sig
• Headlights system
• Ign key resistor sig
• Ignition 1 voltage
• Interior lights system
• Left turn sig sw sig
• Off/run crank voltage
• Park lamp sw on sig
• Pnk
• Power distribution system
• Remote radio ctrl acc
• Right turn sig sw sig
• Set/coast resume/accel
• Shift interlock system
• Shift select sw park sig
• Tan
• Track control sw sig
• Trunk release ctrl
• Trunk, tailgate, fuel doors system
• Washer sw sig
• Wiper sw high sig
• Wiper sw low sig
• Wiper/washer system

Body Control Modules Wiring Diagram (3 of 3) for Buick Lucerne CXS 2006

List of elements for Body Control Modules Wiring Diagram (3 of 3) for Buick Lucerne CXS 2006:

• Backlight lamp control
• Body control module (bcm) (right of glove box)
• Computer data lines system
• Courtesy lamp ctrl
• Current sensor sig
• Current sns sply volt
• Door locks system
• Exterior lights system
• Headlights system
• Hi speed relay ctrl
• Hood closed sw sig
• Horn relay ctrl
• Horns system
• Interior lights system
• Lamp rly coil sply volt
• Led dimming sig
• Lf turn sig sply volt
• Low beam relay ctrl
• Low gmlan serial data
• Lr door ajar sw sig
• Lr door lock motor ctrl
• Lr stop/turn lamp sply
• Master sw lf down sig
• Master sw lf up sig
• Master sw lockout sig
• Master sw rr down sig
• Master sw rr lockout
• Master sw rr up sig
• Park brake switch (on top of park brake assembly)
• Park brake switch sig
• Park lamp relay control
• Power distribution system
• Power windows system
• Rap relay coil sply volt
• Rr door ajar sw sig
• Rr door lock motor ctrl
• Rr stop/turn lamp sply
• Run relay coil ctrl
• Sensor low reference
• Starting/charging system
• Stop lamp sw sig
• Tan
• Trunk ajar sw sig
• Trunk release relay ctrl
• Trunk, tailgate, fuel doors system
• Trunk, tailgate, fuel doors systems
• Wiper relay control
• Wiper/washer system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram (1 of 2) for Buick Lucerne CXS 2006

List of elements for Computer Data Lines Wiring Diagram (1 of 2) for Buick Lucerne CXS 2006:

• (in engine harness, approximately 13 cm (5 in) from breakout for c138) s104
• (under center console) inflatable restraint sensing & diagnostic module (sdm)
• 3.8l
• 4.6l
• Acc wake up data
• Amplifier (mounted to left rear of rear seat)
• Automatic level control module (w/ soft ride suspension system) (front of left rear tire, on lower control arm)
• D (not used)
• Digital radio receiver (drr) (at left "d" pillar)
• Electronic brake control module (ebcm) (left front corner of engine compt)
• Electronic suspension control (esc) module (w/ magnetic ride control) (behind right wheelwell)
• Engine control module (ecm) (left side of engine compt)
• F (not used)
• Hi spd serial data +
• Hi spd serial data -
• J (not used)
• K (not used)
• Low spd serial data
• M (not used)
• Object alarm module (on right rear wheelwell)
• Powertrain control module (pcm)
• Remote control door lock receiver (rcdlr) (under center of rear package shelf)
• Serial data wake up
• Sp300 (in passenger compt under rear seat near rear fuse block)
• Tan
• Transmission control module (tcm)
• Underhood fuse block (on right front of engine compt, forward of strut tower)
• Vehicle communication interface module (vcim) (on right front of trunk, attached to seat back brace)
• W/ magnetic ride control
• W/ soft ride suspension system

Computer Data Lines Wiring Diagram (2 of 2) for Buick Lucerne CXS 2006

List of elements for Computer Data Lines Wiring Diagram (2 of 2) for Buick Lucerne CXS 2006:

• (in i/p harness, approximately 12 cm (5 in) from data link connector) s208
• Body control module (bcm) (right of glove box)
• Data link connector (dlc) (under left side of dash)
• Driver door module (ddm)
• Driver position module
• Front heated seat module
• Front passenger door module (fpdm)
• G300 (under driver's seat)
• Hi spd serial data +
• Hi spd serial data -
• Hot at all times
• Hvac control module
• I/p harn mdl fuse 31 10a
• Inflatable restraint passenger presence system (pps) module (under front passenger's seat)
• Instrument panel cluster (ipc)
• Kw 2000 serial data
• Low spd serial data
• Radio
• Rear fuse block (below left side of rear seat)
• Run/acc
• S200
• S202
• S203
• S207 (in i/p harness, approximately 17 cm (7 in) from data link connector)
• Serial data wake up
• Tan
• Theft deterrent module (tdm) (in steering column)

COOLING FAN

Cooling Fan Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Cooling Fan Wiring Diagram for Buick Lucerne CXS 2006:

• (or tan)
• 3.8l
• 4.6l
• Computer data lines system
• Cool/ fan 1 relay
• Cool/ fan 2 relay
• Cool/ fan relay
• Ect sens sig
• Engine coolant temperature (ect) sensor (3.8l: left rear of engine) (4.6l: right rear of engine)
• Fan 1 fuse 30a
• Fan 2 fuse 30a
• G104 (right front corner of engine compt)
• Gmlan serial data +
• Gmlan serial data -
• Hi speed rly ctrl
• Hot at all times
• Hot in run or start
• Left cooling fan (on left rear side of radiator)
• Low ref
• Low speed rly ctrl
• Pnk
• Powertrain control module (pcm) (3.8l) engine control module (ecm) (4.6l) (both engines: left side of engine compt, inside air cleaner housing)
• Right cooling fan (on right rear side of radiator)
• Tan
• Underhood fuse block (on right front of engine compt, forward of strut tower)

CRUISE CONTROL

Cruise Control Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Cruise Control Wiring Diagram for Buick Lucerne CXS 2006:

• (lower left rear of engine) g112
• 3.8l
• 4.6l
• 5 volt ref
• 5 volt reference
• 5v ref
• 5v ref 2
• Accelerator pedal position (app) sensor (top of accelerator pedal assembly)
• Alert distance cruise speed ltd follow distance set speed set xx mph tight curve
• App sensor 1 sig
• App sensor 2 sig
• Batt pos volt
• Body control module (bcm) (right of glove box)
• Brake pedal position sensor (top of brake pedal assembly)
• Clean radar cruise cruise disengage cruise not ready cruise sex xx mph service radar cruise
• Computer data lines system
• Cruise ind
• Ecm/ tcm fuse 15a
• Engine control module (ecm) (4.6l) (left side of engine compt)
• Gmlan (ecm)
• Gmlan serial data
• Hot at all times
• Hot w/ run/crnk relay energized
• Hud message center
• Hvac fuse 10a
• Ign
• Ign 1 vol
• Ind dim sig
• Inflatable restraint steering wheel module coil (top of steering column)
• Instrument panel cluster (ipc)
• Left steering wheel control switch
• Logic
• Low ref
• Low reference
• Lt trn/ sig fuse 15a
• Message center
• Message request
• Nca
• On ind
• Oss high sig
• Oss low sig
• Pnk
• Pnk/red
• Power distribution system
• Powertrain control module (pcm) (3.8l)
• Rear fuse block (below left side of rear seat)
• Res +
• Res/acc sw sig
• S100
• S105
• S220 (in steering column harness, between cruise control on/off switch & inflatable restraint steering wheel module coil)
• Sens sig
• Serial data +
• Serial data -
• Serial data bus +
• Serial data bus -
• Serial data prim
• Serial data sec
• Serial data wake up
• Set -
• Sig gnd
• Sound systems
• Tac mot ctrl 1
• Tac mot ctrl 2
• Tan
• Throttle actuator control (tac) module (on throttle body assembly)
• Throttle body assembly
• Tp sensor 1 sig
• Tp sensor 2 sig
• Transmission control module (tcm) (4.6l)
• Underhood fuse block (on right front of engine compt, forward of strut tower)
• Vehicle speed sensor (vss) (in transmission)
• Vss
• Vss high sig
• Vss low sig

DEFOGGERS

Defoggers Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Defoggers Wiring Diagram for Buick Lucerne CXS 2006:

• Computer data lines system
• Defogger ind
• Driver door module (ddm)
• Driver outside rearview mirror (in driver's door)
• Front passenger door module (fpdm)
• Front passenger outside rearview mirror (in front passenger's door)
• G300 (under driver's seat)
• G301 (under left rear seat)
• G304 (under right front passenger's seat)
• G306 (at left "c" pillar)
• G307 (at right "c" pillar)
• Ground
• Heated mirror element
• Hot at all times
• Hvac control module
• Logic
• Low reference
• Low spd gmlan serial data
• Nca
• Rear defog fuse jc2 40a
• Rear defog relay 14
• Rear defog rly ctrl
• Rear defogger switch
• Rear fuse block (below left side of rear seat)
• Rear window defogger
• S385
• Sply voltage
• Tan/pnk

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Electronic Power Steering Wiring Diagram for Buick Lucerne CXS 2006:

• 5v ref
• Abs 1 fuse 50a
• Abs 2 fuse 60a
• Battery
• Computer data lines system
• Electronic brake control module (ebcm) (left front corner of engine compt)
• G114 (lower left rear of engine)
• Ground
• High effort ctrl
• Hot at all times
• Low effort ctrl
• Low ref
• Pos sig a
• Pos sig b
• Red
• Serial data (+)
• Serial data (-)
• Steering angle sensor (w/ active brake control) (base of steering column)
• Tan
• Underhood fuse block (on right front of engine compt, forward of strut tower)
• Variable effort steering actuator (left rear of engine compt)

ELECTRONIC SUSPENSION

Electronic Air Suspension Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Electronic Air Suspension Wiring Diagram for Buick Lucerne CXS 2006:

• (in body harness, approximately 65 cm (25 in) from right front strut actuator)
• (right front wall of luggage compt)
• Batt
• Battery voltage
• Computer data lines system
• Electronic level control circuit
• Electronic suspension control (esc) module (behind right wheelwell)
• G403
• Gmlan ser data +
• Gmlan ser data -
• Ground
• Hot at all times
• I/p harn mdl fuse 31 10a
• Instrument panel cluster (ipc)
• Ipc class 2
• Left front suspension damper (on left front shock absorber assembly)
• Left front suspension position sensor (on shock absorber assembly)
• Left rear suspension damper (on left rear shock absorber assembly)
• Left rear suspension position sensor (on left rear frame rail)
• Lf damper ctrl
• Lf damper low ref
• Lf position sens
• Logic
• Lr damper ctrl
• Lr damper low ref
• Lr position sens
• Message center
• Message request
• Mrtd mdl fuse 6 25a
• Nca a
• Nca b
• Rear fuse block (below left side of rear seat)
• Relay ctrl
• Rf damper ctrl
• Rf damper low ref
• Rf position sens
• Right front suspension damper (on right front shock absorber assembly)
• Right front suspension position sensor (on shock absorber assembly)
• Right rear suspension damper (on right rear shock absorber assembly)
• Right rear suspension position sensor (on right rear frame rail)
• Rr damper ctrl
• Rr damper low ref
• Rr position sens
• S126 (in body harness, approximately 60 cm (24 in) from left front strut actuator)
• S127 (in body harness, approximately 65 cm (25 in) from left front strut actuator)
• S129
• S200
• Sensor low ref
• Serial data
• Service suspen sys
• Solenoid ctrl
• Tan
• Voltage reference

Electronic Level Control Wiring Diagram, with Electronic Suspension for Buick Lucerne CXS 2006

List of elements for Electronic Level Control Wiring Diagram, with Electronic Suspension for Buick Lucerne CXS 2006:

• (right front wall of luggage compt) g403
• Automatic level control (alc) compressor (rear underside of vehicle)
• Batt
• Batt positive
• Comprsr
• Computer data lines system
• Elc
• Elc comprsr fuse jc3 30a
• Elc mdl fuse 7 10a
• Electronic suspension control (esc) module (behind right wheelwell)
• G403 (right front wall of luggage compt)
• Gnd
• Hot at all times
• I/p harn mdl fuse 31 10a
• Instrument panel cluster (ipc)
• Ipc class 2
• Logic
• Message center
• Message request
• Mrtd mdl fuse 6 25a
• Nca
• Rear fuse block (below left side of rear seat)
• Relay 15
• Relay ctrl
• S200
• S317
• Serial data
• Serial data +
• Serial data -
• Service suspen sys
• Solenoid ctrl
• Tan

Electronic Level Control Wiring Diagram, without Electronic Suspension for Buick Lucerne CXS 2006

List of elements for Electronic Level Control Wiring Diagram, without Electronic Suspension for Buick Lucerne CXS 2006:

• (in front of left rear tire, on lower control arm)
• (left rear of luggage compt) g402
• (right front wall of luggage compt) g403
• Automatic level control (alc) compressor (rear underside of vehicle)
• Automatic level control module
• Batt
• Batt positive
• Comprsr
• Computer data lines system
• Elc
• Elc comprsr fuse jc3 30a
• Elc mdl fuse 7 10a
• Gnd
• Hot at all times
• I/p harn mdl fuse 31 10a
• Instrument panel cluster (ipc)
• Ipc class 2
• Logic
• Message center
• Message request
• Nca
• Rear fuse block (below left side of rear seat)
• Relay 15
• Relay ctrl
• S200
• S317
• Serial data
• Serial data +
• Serial data -
• Service suspen sys
• Solenoid ctrl
• Tan

ENGINE PERFORMANCE

3.8L VIN 2

3.8L VIN 2, Engine Performance Wiring Diagram (1 of 5) for Buick Lucerne CXS 2006

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (1 of 5) for Buick Lucerne CXS 2006:

• (1 in) from branch for c139)
• (in engine harness, approximately 3 cm
• (left side of oil pan)
• (lower left rear of engine)
• (on left side of engine, near starter)
• (on top front of engine)
• (on top right rear of engine)
• (pins 62-72 not used)
• 5 volt ref 1
• 5 volt ref 2
• Camshaft sig
• Ect sensor sig
• Egr pos sig
• Egr sol high
• Egr sol low
• Engine coolant temperature sensor (left rear of engine)
• Engine oil level switch
• Engine oil pressure switch (near oil
• Evap purge sol
• Evaporative emission (evap) canister purge solenoid valve (on top right rear of engine)
• Exhaust gas recirculation valve
• Filter)
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injectors (1,3,5: top left side of engine) (2,4,6: top right side of engine)
• G112
• G112 (lower left rear of engine)
• Gen field
• Gen on sig
• Ground
• Heated oxygen sensor (ho2s) 1 (on right exhaust manifold)
• Ho2s heater 1
• Ho2s sig high
• Ho2s sig low
• Ic timing ctrl
• Ic timing sig
• Knock sensor 1
• Knock sensor 2
• Knock sensor 2 (on right side of engine, below exhaust manifold)
• Low eng speed
• Low ref
• Manifold absolute pressure sensor
• Map sensor sig
• Med eng speed
• Nca
• Oil level sw
• Oil press sig
• Pnk
• Powertrain control module
• S109
• Starting/charging system
• Tan
• Tan/pnk
• Uart data

3.8L VIN 2, Engine Performance Wiring Diagram (2 of 5) for Buick Lucerne CXS 2006

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (2 of 5) for Buick Lucerne CXS 2006:

• (at left front of engine, under ignition coils)
• (lower left rear of engine)
• (on left front of engine, next to crankshaft balancer) crankshaft position sensor
• (on right front of engine)
• 5 volt ref
• Aap sensor 1
• Accelerator pedal position switch (under left side of dash)
• App sensor 2
• Body control module (right of glove box)
• Camshaft position sensor
• Fuel inj/coil fuse 24 15a
• Fuel inj/coil fuse 25 15a
• G112
• G115 (lower left rear of engine)
• Ground
• Hot in run or start
• Ign 1 volt
• Ignition control module (icm)
• Low ref
• Pnk
• Primary uart
• S145
• S164
• Sec uart
• Spark plugs
• Stop lamp
• Stop lamp switch signal
• Strut tower)
• Tan
• Throttle actuator control module (on throttle body assembly)
• Trans ign 3 fuse 6 10a
• Underhood fuse block (on right front of engine compt, forward of
• Underhood fuse block (on right front of engine compt, forward of strut tower)
• Vehicle spd

3.8L VIN 2, Engine Performance Wiring Diagram (3 of 5) for Buick Lucerne CXS 2006

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (3 of 5) for Buick Lucerne CXS 2006:

• (lower left rear of engine)
• 1-2 shift solenoid
• 2-3 shift solenoid
• A red
• A/t fluid temp sensor
• At iss sig
• Automatic transaxle
• B tan
• Boost sol
• G112
• Ho2s heater 2
• Ho2s sig high
• Ho2s sig low
• Iat sensor sig
• Input shaft speed sensor
• Low ref
• Maf sensor sig
• Pc sol
• Pnk
• Powertrain control module (front left side of engine compt, inside air cleaner cleaner housing)
• Pressure control solenoid
• Red
• Shift sol
• System interlock shift
• Tan
• Tan/pnk
• Tcc release switch
• Tcc sol
• Tcc sw sig
• Tft sensor sig
• Torque converter clutch solenoid
• Tr sig a
• Tr sig b
• Tr sig c
• Tr sig p
• Trans- mission internal mode switch
• Vehicle speed sensor (in transmission)
• Vss sig

3.8L VIN 2, Engine Performance Wiring Diagram (4 of 5) for Buick Lucerne CXS 2006

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (4 of 5) for Buick Lucerne CXS 2006:

• (under left rear seat)
• (under vehicle after catalytic converter on exhaust)
• Compartment, in air intake tube)
• Crnk relay
• Ecm/crnk fuse 23 15a
• Fuel pp fuse 11 20a
• Fuel pp relay 7
• G112 (lower left rear of engine)
• G301
• Heated oxygen sensor (ho2s) 2
• Hot at all times
• Hot in run & start
• Iat
• Intake temperature sensor (left side of engine
• Maf
• Mass air flow/air
• Nca
• Oxy pst fuse 21 10a
• P/train relay 4
• Pwr trn fuse 22 15a
• Rear fuse block (below left side
• S101
• Side of rear seat)
• Strut tower)
• Tan
• Tan d
• Tan/pnk
• Underhood fuse block (on right front of engine compt, forward of

3.8L VIN 2, Engine Performance Wiring Diagram (5 of 5) for Buick Lucerne CXS 2006

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (5 of 5) for Buick Lucerne CXS 2006:

• (below rear of vehicle, on evap canister)
• (front left side of engine compartment, inside air cleaner housing)
• (in body harness)
• (in steering column harness, between c203 ignition switch switch connector) s201
• (right front wall of luggage compartment)
• 5 volt ref 1
• A/c clutch relay
• A/c press sig
• A/c refrigerant pressure sensor (near a/c compressor, on hose assembly)
• Acc
• Air conditioning system
• B c309
• Battery
• Body control module (right of glove box)
• C309
• Cnstr vent fuse 5 10a
• Computer data lines system
• Cooling fans system
• Ecm ign 3 fuse 5 10a
• Ecm/tcm fuse 28 15a
• Evap vent sol
• Evaporative emissions (evap) canister vent solenoid valve
• Fuel level sig
• Fuel pump & sender assembly
• Fuel pump relay
• Fuel tank
• Fuel tank press
• Fuel tank pressure sensor
• G112 (lower left rear of engine)
• G300 (under driver's seat)
• G403
• High fan
• Hot at all times
• Hot in run & start
• Ignition 1
• Ignition switch
• Instrument panel cluster
• Logic
• Low fan
• Low ref
• Malfunction indicator lamp (mil)
• Mil control
• Off
• Pcm relay ctrl
• Pnk
• Powertrain control module
• Rear fuse block (below left side
• Relay 6
• Run
• Run/ crank
• S203
• S316
• Side of rear seat)
• Start
• Starter enable
• Starting/charging system
• Stop lamp sw
• Strut tower)
• Tan
• Underhood fuse block (on right front of engine compt, forward of
• Vehicle speed sig
• Wakeup data

4.6L VIN Y

4.6L VIN Y, Engine Performance Wiring Diagram (1 of 5) for Buick Lucerne CXS 2006

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (1 of 5) for Buick Lucerne CXS 2006:

• (left rear of engine compartment) transmission control module (tcm)
• (lower left rear of engine)
• (not used) c
• (right of glove box)
• (under center
• 5v ref 1
• 5v ref 2
• A/c com clutch rly
• Acc wake up serial data
• Accelerator pedal position (app) sensor (top of accelerator
• Accessory wake up
• Air conditioning system
• App sensor 1 sig
• App sensor 2 sig
• Battery pos volt
• Body control module (bcm)
• Cooling fans system
• Ecm ign 3 fuse 10a
• Ecm/crnk fuse 15a
• Engine control module (ecm) (left side of engine compartment)
• Engine oil level switch (left side of oil pan)
• Engine oil pressure (eop) switch (near oil filter)
• Evap canister vent
• Exterior lights system
• Fan relay ctrl
• Fuel pump rly ctrl
• Fuel tank pressure (ftp) sensor
• G112
• Hot at all times
• Hot in run or start
• Ign
• Ignition 1 voltage
• Instrument panel cluster (ipc)
• Logic
• Low reference
• Malfunction indicator lamp (mil)
• Mil control
• Of vehicle, on top of fuel tank)
• Oss hi sig
• Oss low sig
• Oxy pst fuse 10a
• Pedal assembly)
• Pnk
• Power distribution system
• Pressure sns sig
• Primary fuel level
• Pwr/train relay
• Rly ctrl
• Run/crnk relay
• S104 (approximately 13 cm (5 in) from breakout to c138)
• S105
• Starter rly coil
• Starting/ charging system
• Stop lamp sw sig
• Tan
• To fuse pwr trn fuse 15a (diagram 4 of 5)
• Underhood fuse block (on right front of engine compartment, forward of strut tower)
• Vehicle speed sensor (vss) (in transmission)

4.6L VIN Y, Engine Performance Wiring Diagram (2 of 5) for Buick Lucerne CXS 2006

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (2 of 5) for Buick Lucerne CXS 2006:

• (below rear of vehicle, on evap canister) evaporative emissions (evap) canister vent solenoid valve
• (near a/c compressor, on hose assembly)
• (top of fuel tank) fuel pump & sender assembly
• (under left rear seat)
• 5v ref 1
• 5v ref 2
• A/c refrigerant pressure sensor
• Air pump relay ctrl
• Cnstr vent fuse 10a
• Cooling fans system
• Ctrl bank 2 sns 1
• Ecm/tcm fuse 15a
• Engine control module (ecm) (left side of engine compartment)
• Evap canister purge
• Field duty cycle sig
• Fuel pump fuse 20a
• Fuel/ pump relay
• G301
• G403 (right front wall of luggage compartment)
• Hot at all times
• Low reference
• Low speed cooling
• Oil level sw sig
• Park/neutral
• Pnk
• Rear fuse block (below left side of rear seat)
• Ref bank 2 sns 1
• Reverse lockout sol
• S100
• S316 (in body harness, approximately 5 cm (2 in) from breakout for electronic suspension control module)
• Serial data bus -
• Starting/ charging system
• Tan
• Transmission system
• Turn on signal
• Volt bank 2 sns 1

4.6L VIN Y, Engine Performance Wiring Diagram (3 of 5) for Buick Lucerne CXS 2006

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (3 of 5) for Buick Lucerne CXS 2006:

• (in engine harness, approximately
• (lower left front corner of engine compartment) secondary air injection (air) pump
• (lower left rear of engine)
• (on top right rear of engine) evaporative emissions (evap) canister purge solenoid valve
• (top rear of engine, on center of rear camshaft cover)
• 10 cm (4 in
• A/c com clutch
• Air pump fuse 50a
• Air pump relay
• Air/ sol relay
• Air/sol fuse 15a
• Computer data lines system
• Ect sensor sig
• Engine control module (ecm) (left side of engine compartment)
• Engine coolant temperature (ect) sensor (right rear of engine)
• G115
• Heated oxygen sensor (ho2s) bank 2 sensor 1 (in left exhaust manifold)
• Hot at all times
• Hot in run or start
• Manifold absolute pressure (map) sensor (on top rear of engine)
• Map sensor sig
• Nca
• Oil pre sw signal
• Pnk
• Pre sns sig
• Red
• S106
• Secondary air injection (air) check valve
• Serial data bus +
• Tan
• Underhood fuse block (on right front of engine compartment, forward of strut tower)

4.6L VIN Y, Engine Performance Wiring Diagram (4 of 5) for Buick Lucerne CXS 2006

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (4 of 5) for Buick Lucerne CXS 2006:

• (below exhaust gas recirculation
• (egr) valve)
• (in engine harness
• (in engine harness, approximately 7 cm (4 in) from branch for c139 toward breakout for c318) s102
• (in engine harness, approximately 3 cm (1 in) from branch for c139) s109
• (in even bank ignition coil harness, between c139 & ignition coil/module 8) s135
• (in even bank ignition coil harness, pnk
• (in odd bank ignition coil harness, between c140 & ignition tan
• (in odd bank ignition coil harness, between c140 & ignition coil/module 7) s142
• (on right front of engine compartment, forward of strut tower)
• (on top right rear of engine) exhaust gas recirculation (egr) valve
• (top left side of engine)
• (top right side of engine)
• Approximately 6 cm (2 in) from branch for engine coolant temperature (ect) sensor)
• Between c139 & ignition coil/module 8) s131
• Coil/module 7) s146
• Ctrl
• From ecm/crnk fuse 15a (diagram 1 of 5)
• Fuel injector (top left side of engine)
• Fuel injector (top right side of engine)
• G100
• Gnd
• Ign
• Ignition coil/module 1
• Ignition coil/module 2
• Ignition coil/module 3
• Ignition coil/module 4
• Ignition coil/module 5
• Ignition coil/module 6
• Ignition coil/module 7
• Ignition coil/module 8
• Inj/coil fuse 15a
• Low
• Nca
• Plug spark
• Pnk
• Pnk/tan
• Pwr trn fuse 15a
• Red
• Red b
• S110
• S133
• S144
• Tan
• Tan c
• Underhood fuse block

4.6L VIN Y, Engine Performance Wiring Diagram (5 of 5) for Buick Lucerne CXS 2006

List of elements for 4.6L VIN Y, Engine Performance Wiring Diagram (5 of 5) for Buick Lucerne CXS 2006:

• (left side of engine compartment, in air intake tube)
• (under center of vehicle, after catalytic converter)
• 5v ref 1
• 5v ref 2
• Camshaft position (cmp) sensor (on right front of engine)
• Ckp sensor sig
• Cmp sensor sig
• Crankshaft position (ckp) sensor (top center of engine)
• Egr sol high ctrl
• Egr sol low ctrl
• Egr valve pos sig
• Engine control module (ecm) (left side of engine compartment)
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Fuel injector 7
• Fuel injector 8
• G112 (lower left rear of engine)
• Heated oxygen sensor (ho2s) 2
• Heated oxygen sensor (ho2s) bank 1 sensor 1 (on right exhaust manifold)
• Heater low ctrl
• Ho2s 2 high sig
• Ho2s 2 low sig
• Iat sensor sig
• Ic 1 control
• Ic 2 ctrl
• Ic 3 control
• Ic 4 control
• Ic 5 ctrl
• Ic 6 ctrl
• Ic 7 ctrl
• Ic 8 control
• Ignition 1 voltage
• Knock sensor 1 (top right side of engine)
• Knock sensor 2 (top left side of engine)
• Knock sns 1 signal
• Knock sns 2 sig
• Knock sns low ref
• Low ref
• Low reference
• Maf sensor sig
• Mass air flow (maf)/ intake air temperature (iat) sensor
• Nca
• Pnk
• Pnk/red
• Pnk/tan
• Ref bank 1 sen 1
• S105
• Signal ground
• Tac motor ctrl 1
• Tac motor ctrl 2
• Tan
• Tan/pnk
• Throttle body assembly
• Tp sensor 1 sig
• Tp sensor 2 sig
• Volt bank 1 sns 1

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Back-up Lamps Wiring Diagram for Buick Lucerne CXS 2006:

• Backup
• Backup lmp sply
• Batt pos volt
• Body control module (bcm) (right of glove box)
• Chmsl/ bck-up fuse 10a
• G403 (right front wall of luggage compt)
• Hot at all times
• Inside rear view mirror
• Left auxiliary tail lamp assembly
• Left backup lamp
• Lmp sply volt
• Logic
• Rear fuse block (below left side of rear seat)
• Right auxiliary tail lamp assembly
• Right backup lamp
• S325 (in body harness, approximately 7 cm (3 in) from breakout for battery current sensor)

Exterior Lamps Wiring Diagram (1 of 2) for Buick Lucerne CXS 2006

List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Buick Lucerne CXS 2006:

• 3.8l
• 4.6l
• Auto
• Backup lamp circuit
• Batt pos volt
• Body control module (bcm) (right of glove box)
• Center high mounted stop lamp (chmsl)
• Chmsl sply volt
• Driver outside rear view mirror (in driver's door)
• Engine control module (pcm) (left side of engine compt)
• Front passenger outside rear view mirror (in front passenger's door)
• G300 (under driver's seat)
• G301 (under left rear seat)
• G304 (under right front passenger's seat)
• G403 (right front wall of luggage compt)
• Hazard sw sig
• Hazard switch
• Head
• Headlamp switch
• Hot at all times
• Interior lights system
• Left auxi- liary tail lamp
• Left auxiliary tail lamp assembly
• Left corn lmp rly ctrl
• Left turn
• Left turn sw sig
• Lf turn
• Lf turn sig lmp sply
• Logic
• Lr stop/turn lmp sply
• Lt crn lamp fuse 10a
• Off
• Park
• Powertrain control module (pcm)
• Prk lmp rly ctrl
• Prk lmp sw on sig
• Rf turn
• Rf turn sig lmp sply
• Right auxi- liary tail lamp
• Right auxiliary tail lamp assembly
• Right backup lamp
• Right corn lmp rly ctrl
• Right turn
• Right turn sw sig
• Rr stop/turn lmp sply
• Rt crn lamp fuse 10a
• S202
• S204
• S206
• Sig lmp c1 sply volt
• Stop lmp sw sig
• Tan
• Throttle actuator control (tac) module (on throttle body assembly)
• Transmission control module (tcm)
• Trn/sig pcb relay
• Turn/signal multifunction switch
• Underhood fuse block (on right front of engine compt, forward of strut tower)

Exterior Lamps Wiring Diagram (2 of 2) for Buick Lucerne CXS 2006

List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Buick Lucerne CXS 2006:

• Chmsl/ bck-up fuse 10a
• G104 (right front corner of engine compt)
• G402 (left rear of luggage compt)
• G403 (right front wall of luggage compt)
• Hot at all times
• Left front cornering lamp
• Left front headlamp assembly
• Left front marker lamp
• Left front turn signal lamp
• Left rear marker lamp
• Left stop/turn signal lamp
• Left tail lamp assembly
• License lamp
• Lt prk lamp fuse 10a
• Lt trn/ sig fuse 15a
• Prk lamp relay
• Rear fuse block (below left side of rear seat)
• Right front cornering lamp
• Right front headlamp assembly
• Right front marker lamp
• Right front turn signal lamp
• Right rear marker lamp
• Right stop/turn signal lamp
• Right tail lamp assembly
• Rr trn/ sig fuse 15a
• Rt prk lamp fuse 10a
• S323 (in body harness, approximately 15 cm (6 in) from branch for rear fuse block)
• S324 (in body harness, approximately 5 cm (2 in) from breakout for right inflatable restraint roof rail module)
• S326
• S402
• S404 (in rear fascia harness, approximately 13 cm (5 in) from breakout for license lamps)
• Tan
• Underhood fuse block (on right front of engine compt, forward of strut tower)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Buick Lucerne CXS 2006

List of elements for Ground Distribution Wiring Diagram (1 of 4) for Buick Lucerne CXS 2006:

• (3.8l) ignition control module (icm)
• (4.6l) a/c compressor clutch
• (4.6l) secondary air injection (air) check valve
• (4.6l) secondary air injection (air) pump
• (if equipped) sunroof control module
• (on right front of engine compartment, forward of strut tower) underhood fuse block
• (w/ magnetic ride control) electronic suspension control (esc) module
• 14 cm (6 in) from branch for throttle body assembly)
• A c2
• Automatic level control (alc) compressor
• Automatic transmission
• B c1
• Battery
• Body control module (bcm)
• Crnk relay 3
• Electronic brake control module (ebcm)
• Engine control module (ecm)
• Engine oil level switch
• Engine oil pressure (eop) switch
• Fuel pump & sender assembly
• G100 (4.6l: below exhaust gas recirculation (egr) valve)
• G101 (left front corner of engine compartment)
• G110 (ground strap to generator)
• G111 (in engine compartment, ground strap to right frame rail)
• G112 (except 3.8l) (lower left rear of engine)
• G114 (lower left rear of engine)
• G115 (lower left rear of engine)
• G302 (under right front passenger's seat)
• G303 (below right side of rear seat)
• G306 (at left "c" pillar)
• G307 (at right "c" pillar)
• G403 (right front wall of luggage compt)
• Ignition coil/ module 1
• Ignition coil/ module 2
• Ignition coil/ module 3
• Ignition coil/ module 4
• Ignition coil/ module 5
• Ignition coil/ module 6
• Ignition coil/ module 7
• Ignition coil/ module 8
• Inflatable restraint sensing & diagnostic module (sdm)
• Keyless entry antenna
• Left auxiliary tail lamp assembly
• License lamp
• Mass air flow (maf)/ intake air temperature (iat) sensor
• Nca
• Rear window defogger
• Right auxiliary tail lamp assembly
• Right tail lamp assembly
• Run/ crnk relay 6
• S106 (in engine harness, approximately 7 cm (3 in) from branch for throttle body assembly)
• S108 (in engine harness, approximately 10 cm (4 in) from breakout for automatic transmission)
• S133 (in even bank ignition coil harness, between c139 & ignition coil/module 2)
• S144
• S385 (in body harness, approximately 10 cm (4 in) from g306)
• S402 (in rear fascia harness, approximately 7 cm (3 in) from breakout for license lamps)
• Transmission control module (tcm)
• Windshield wiper motor

Ground Distribution Wiring Diagram (2 of 4) for Buick Lucerne CXS 2006

List of elements for Ground Distribution Wiring Diagram (2 of 4) for Buick Lucerne CXS 2006:

• (on right front of engine compartment, forward of strut tower) underhood fuse block
• 12 cm (5 in) from breakout for c800)
• A/c compressor clutch
• Approximately 6 cm (2 in) from breakout for a/t shift lock control solenoid)
• Automatic transmission
• Auxiliary console power outlet
• Blower motor control module
• Body control module (bcm)
• C c1
• Cigar lighter
• Cool/fan relay 2
• D c2
• Engine oil level switch
• Engine oil pressure (eop) switch
• For i/p compartment lamp)
• Front passenger door module (fpdm)
• G104 (right front corner of engine compt)
• G112 (3.8l) (lower left rear of engine)
• G304 (under right front passenger's seat)
• Headlamp switch
• Hood ajar switch
• Horn assembly
• I/p compartment lamp
• Left front fog lamp
• Left front headlamp assembly
• Mass air flow (maf)/ intake air temperature (iat) sensor
• Nca
• Powertrain control module (pcm)
• Reverse lockout solenoid
• Right cooling fan
• Right front door courtesy lamp
• Right front fog lamp
• Right front headlamp assembly
• Right rear door latch assembly
• Right rear door window switch
• Run/ crnk relay 6
• S383 (in center console harness, between breakout to a/t shift lock control solenoid & breakout for auxiliary hvac control module)
• Throttle actuator control (tac) module
• Traction control switch
• W/ custom bucket seat
• W/o custom bucket seat
• Windshield washer fluid level switch
• Windshield washer fluid pump
• Windshield washer solvent heater
• Wpr relay 8

Ground Distribution Wiring Diagram (3 of 4) for Buick Lucerne CXS 2006

List of elements for Ground Distribution Wiring Diagram (3 of 4) for Buick Lucerne CXS 2006:

• (w/ custom bucket seat) traction control switch
• (w/ front cooling heater) front heated seat module
• A/t shift lock control solenoid
• Approximately 8 cm (4 in) from breakout for inflatable restraint seat position sensor)
• Ashtray lamp
• Brake fluid level switch
• Branch for hazard lamp switch)
• C205 & turn signal/multifunction switch connector c4)
• Data link connector (dlc)
• Driver door module (ddm)
• Driver information display switch
• Driver position module
• Driver seat adjuster switch
• Front auxiliary power outlet
• Front cigar lighter
• G300 (under driver's seat)
• Hazard switch
• Horn switch
• Hvac control module
• Inflatable restraint passenger presence system (pps) module
• Inflatable restraint steering wheel module coil
• Inside air tempe- rature sensor
• Instrument panel cluster
• Instrument panel cluster (ipc)
• Left front door courtesy lamp
• Left steering wheel control switch
• Lighter)
• Passenger lumbar adjuster switch
• Passenger seat adjuster switch
• Rear compartment lid release switch
• Restraint steering wheel module coil)
• Right steering wheel control switch
• S202 (in i/p harness, approximately
• S203 (in i/p harness, approximately 36 cm (14 in) from breakout for hvac module)
• S306 (in right front seat harness, approximately 7 cm (3 in) from breakout for passenger seat belt switch)
• Sunload twilight sensor
• Theft deterrent module (tdm)
• Turn signal/ multifunction switch
• W/ 8-way passenger seat adjuster
• W/ automatic auxiliary temperature
• W/ heated nozzles
• W/o 8-way passenger seat adjuster
• W/o automatic auxiliary temperature
• W/o custom bucket seat

Ground Distribution Wiring Diagram (4 of 4) for Buick Lucerne CXS 2006

List of elements for Ground Distribution Wiring Diagram (4 of 4) for Buick Lucerne CXS 2006:

• (below left side of rear seat) rear fuse block
• (if equipped) object alarm module
• (if equipped) outside moisture sensor
• (w/ digital radio) digital radio receiver (drr)
• (w/ magnetic ride control) automatic level control module
• (w/ onstar) vehicle communication interface module
• Amplifier
• Center high mounted stop lamp (chmsl)
• Dr lck relay 9
• Dr unlck relay 10
• From audio amplifier connector c1)
• Fuel/ pump relay 7
• G301 (under left rear seat)
• G305 (under driver's seat)
• G402 (left rear of luggage compt)
• Garage door opener transmitter
• Inflatable restraint i/p module indicator
• Inside rearview mirror
• Left front vanity mirror lamp
• Left rear door latch assembly
• Left rear door window switch
• Left tail lamp assembly
• Radio
• Rap relay 1
• Rear compartment lid latch
• Rear defog relay 14
• Remote control door lock receiver (rcdlr)
• Right front vanity mirror lamp
• Run relay 3
• S312 (in headliner harness, approximately 10 cm (4 in) from branch for c321)
• S313
• Sunroof switch
• Trunk relse relay 6
• W/ enhanced audio

HEADLIGHTS

Headlights Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Headlights Wiring Diagram for Buick Lucerne CXS 2006:

• Body control module (bcm) (right of glove box)
• C (not used)
• Class 2 serial data
• Computer data lines system
• Data serial
• Drl fuse 30 15a
• Drl relay 4
• Drl rly ctrl
• Exterior lights system
• Flash to pass sw sig
• Fog fuse 16 15a
• Fog lamp pcb relay
• Fog lamps ind
• Front fog lamp switch
• Frt fog lamp rly ctrl
• Frt fog lamp sw sig
• Ftp
• G104 (right front corner of engine compt)
• G300 (under driver's seat)
• G304 (under right front passenger's seat)
• Gmlan (bcm)
• Head
• Headlamp sw off sig
• Headlamp sw on sig
• Headlamp switch
• Hi beam fuse 10 10a
• Hi beam fuse 11 10a
• High
• High beam ind
• High beam pcb relay
• High beam rly ctrl
• Highbeam signal
• Hot at all times
• Hvac control module
• Ign
• Instrument panel cluster (ipc)
• Left front fog lamp
• Left front headlamp assembly
• Left high beam headlamp
• Left low beam headlamp
• Light sensor sig
• Lo beam pcb relay
• Logic
• Low
• Lt lo beam fuse 2 20a
• Off
• Park auto
• Park lamp relay ctrl
• Park lamp sw on sig
• Rear fuse block (below left side of rear seat)
• Right front fog lamp
• Right front headlamp assembly
• Right high beam headlamp
• Right low beam headlamp
• Rt lo beam fuse 3 20a
• S124 (in forward lamp harness, approximately 26 cm (11 in) from c114)
• S203
• S204
• S206
• Serial data
• Sunload twilight sensor (top center of dash)
• Turn signal/ multifunction switch
• Underhood fuse block (on right front of engine compartment, forward of strut tower)
• W/ automatic a/c
• W/ manual a/c

HORN

Horn Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Horn Wiring Diagram for Buick Lucerne CXS 2006:

• (right front corner of engine compartment) g104
• Body control module (bcm) (right of glove box)
• G300 (under driver's seat)
• High note horn
• Horn assembly (left front of engine compartment)
• Horn fuse 17 15a
• Horn pcb relay
• Horn rly ctrl
• Horn switch
• Hot at all times
• Inflatable restraint steering wheel module coil (top of steering column)
• Low note horn
• Nca
• S219
• S377 (in body harness, approximately 15 cm (6 in) from breakout for c206)
• Tan
• Underhood fuse block (on right front of engine compartment, forward of strut tower)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for Buick Lucerne CXS 2006

List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Buick Lucerne CXS 2006:

• Abs ind
• Air bag ind
• Audible alarm
• Backlighting ctrl
• Backlighting ind
• Batt pos volt
• Brake ind
• Charging ind
• Cruise ind
• Drv info center select menu sw sig
• Drv info center sw low ref
• Drv info center sw sig
• Engine controls system
• Engine coolant temperature ind
• Fog lamps ind
• Fuel level gage
• G300 (under driver's seat)
• Gmlan
• Gmlan (bcm)
• Gmlan (ebcm)
• Gmlan (ecm)
• Gmlan (sdm)
• Gnd
• High beam ind
• Hot at all times
• Hot w/ run/crnk relay energized
• Hvac fuse 10a
• I/p harn mdl fuse 10a
• Ign
• Ign 1 volt
• Instrument panel cluster (ipc)
• Interior lights system
• Ipc
• Left turn ind
• Logic
• Low spd gmlan serial data
• Low tire pressure ind
• Low washer fluid ind ctrl
• Malfunction ind
• Message center
• Off ind ctrl
• Oil level ind
• Pass air bag
• Pass air bag on ind ctrl
• Pass seat belt ind
• Pnk
• Pnk/tan
• Power distribution system
• Rear fuse block (below left side of rear seat)
• Right turn ind
• S200
• S202
• S203
• Seat belt ind
• Security ind
• Speedometer (mph/km/h)
• Tachometer
• Tan
• Temperature gage
• Trip reset
• Trip reset sw sig
• Trip/ odometer
• Trip/odometer ctrl
• Underhood fuse block (on right front of engine compt, forward of strut tower)
• Vse ind
• Washer fluid heat ctrl sw volt
• Wiper/washer system

Instrument Cluster Wiring Diagram (2 of 2) for Buick Lucerne CXS 2006

List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Buick Lucerne CXS 2006:

• 3.8l
• 4.6l
• Body control module (bcm) (right of glove box)
• Brake fluid level switch (on master cylinder reservoir)
• Computer data lines system
• Driver information display switch
• Engine control module (ecm) (4.6l) powertrain control module (ecm) (3.8l) (4.6l: left side of engine compt) (3.8l: front left side of engine compartment, inside air cleaner housing)
• Engine controls system
• Engine oil level switch (left side of oil pan)
• Engine oil pressure (eop) switch (near oil filter)
• Fuel level sens sig
• Fuel pump & sender assembly (top of fuel tank)
• G112 (lower left rear of engine)
• G300 (under driver's seat)
• Gmlan serial data+
• Gmlan serial data-
• Interior lights system
• Logic
• Low ref
• Low spd gmlan serial data
• Oil level sw sig
• Oil press sw sig
• Park brake sw sig
• Park brake switch (on top of park brake assembly)
• Persona- lization
• Pnk
• S105
• S202
• S316 (in body harness, approximately 5 cm (2 in) from breakout for electronic suspension control module)
• Set/ reset
• Tan
• Trip/ fuel
• Vehicle information

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Courtesy Lamps Wiring Diagram for Buick Lucerne CXS 2006:

• (in body harness, approximately 14 cm (6 in) from breakout for c325) s329
• (in body harness, approximately 5 cm (2 in) from breakout for audio amplifier connector c1) s372
• (left rear of luggage compartment)
• (under right front passenger's seat)
• 12 volt ref
• Batt pos volt
• Body control module (bcm) (right of glove box)
• Computer data lines system
• Court lamp ctrl
• Ctsy/ rf trn fuse 4 10a
• Driver door latch assembly (rear of driver's door)
• Driver door module (ddm)
• Front passenger door latch assembly (rear of front passenger's door)
• Front passenger door module (fpdm)
• G300 (under driver's seat)
• G301 (under left rear seat)
• G304
• G304 (under right front passenger's seat)
• G402
• G402 (left rear of luggage compartment)
• Hot at all times
• I/p compartment lamp
• Int lamps fuse 3 10a
• Left front door courtesy lamp
• Left front vanity mirror lamp
• Left rear door latch assembly (rear of left rear door)
• Left roof rail reading lamp
• Low ref
• Low speed gmlan serial data
• Lr door open sw sig
• Off
• Open sw sig
• Overhead console lamp
• Rear compartment courtesy lamp
• Rear compartment lid latch (center rear of luggage compartment)
• Rear fuse block (below left side of rear seat)
• Right front door courtesy lamp
• Right front vanity mirror lamp
• Right rear door latch assembly (rear of right rear door)
• Right roof rail reading lamp
• S202
• S206
• S211 (in i/p harness, approximately 28 cm (11 in) from breakout for body control module connector)
• S313
• S328 (in headliner harness, approximately 20 cm (8 in) from branch for c321)
• S331 (in ip harness, between body control module & front door courtesy lamps)
• S343 (in body harness, approximately 9 cm (3 in) from branch for c314)
• S700
• S800
• Tan/pnk
• Trunk lmp ctrl
• W/ theft deterrent system
• W/o theft deterrent system

Instrument Illumination Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Instrument Illumination Wiring Diagram for Buick Lucerne CXS 2006:

• (in i/p harness, approximately 21 cm (8 in) from branch for hazard lamp switch toward branch for hvac module) s212
• (under
• 12 volt ref
• Ashtray lamp
• Automatic transmission
• Backlight lamp ctrl
• Backlighting (8 bulbs)
• Backlighting control
• Batt pos volt
• Body control module (bcm) (right of glove box)
• Court lamp sw on sig
• D c2
• Dm switch fuse 10 10a
• Driver information display switch
• Driver's seat)
• G300
• G300 (under driver's seat)
• G301 (under left rear seat)
• G304 (under right front passenger's seat)
• G305 (under driver's seat)
• G402 (left rear of luggage compartment)
• Garage door opener transmitter (in overhead console)
• Hazard switch
• Headlamp switch
• Hot at all times
• Hvac control module
• Inflatable restraint steering wheel module coil (top of steering column)
• Inst panel lamp sply
• Instrument panel cluster (ipc)
• Led dimming sig
• Left rear door window switch
• Left steering wheel control switch
• Lighter) c2
• Logic
• Manual transmission
• Pnk
• Radio
• Rear fuse block (below left side of rear seat)
• Reverse lockout solenoid (w/ custom seat) (base of floor shifter assembly)
• Right rear door window switch
• Right steering wheel control switch
• S202
• S203
• S219
• S225 (inside of heated steering wheel)
• S312
• S313
• S333 (in body harness, approximately 35 cm (14 in) from breakout for left inflatable restraint side impact sensor)
• S383
• S700
• S800
• Str/whl/ illum fuse 34 2a
• Sunroof switch (if equipped)
• Traction control switch
• W/ custom seat
• W/ individual seat

MEMORY SYSTEMS

Memory Seat Wiring Diagram (1 of 5) for Buick Lucerne CXS 2006

List of elements for Memory Seat Wiring Diagram (1 of 5) for Buick Lucerne CXS 2006:

• (4 in) from driver seat adjuster motor connector)
• (approximately 7 cm (3 in) from breakout for passenger seat cushion ventilation heat & cool module) s358
• (approximately 7 cm (3 in) from passenger seat cushion ventilation heat & cool module connector) s357
• (in driver seat harness, approximately 10 cm
• Battery
• Computer data lines system
• Cool control
• Driver seat back ventilation heat & cool module (right side of driver's seat back)
• Driver seat cushion ventilation heat & cool module (under right side of driver's seat)
• Enable sig
• Front heated seat module
• Front passenger seat back ventilation heat & cool module
• Front passenger seat cushion ventilation heat & cool module
• G300 (under driver's seat)
• Ground
• Heat control
• Heating element
• Hot at all times
• Hot in run or start
• Htd/cool fuse 30a
• Htd/cool/ ign 3 fuse 10a
• Ign 3 vol
• Low ref
• Pnk
• Rear fuse block (below left side of rear seat)
• S302 (w/ custom seat)
• S306
• S355
• S356 (in driver seat harness, approximately 9 cm (4 in) from driver seat cushion ventilation heat & cool module connector)
• Sens low ref
• Sens sig
• Serial data
• Speed ctrl
• Status sig
• Tan
• Tan/pnk
• Thermistor
• Volt ref

Memory Seat Wiring Diagram (2 of 5) for Buick Lucerne CXS 2006

List of elements for Memory Seat Wiring Diagram (2 of 5) for Buick Lucerne CXS 2006:

• Back cushion led
• Back cushion sig
• Back led
• Back sig
• Battery pos volt
• Computer data lines system
• Cool seat switch
• Cooled seat switch
• Ddm fuse 15a
• Driver door module (ddm)
• Driver seat temperature control switch
• Easy exit seat switch
• Exit sig
• Front passenger door module (fpdm)
• Front passenger seat temperature control switch
• Full seat heat switch
• Gmlan serial data
• Heated seat back ind
• Heated seat cool ind
• Heated seat cushion ind
• Heated seat ind
• High ind ctrl
• High ref
• High temp ind
• Hot at all times
• Lamp dimming
• Low ind ctrl
• Low ref
• Low temp ind
• Medium ind ctrl
• Medium temp ind
• Memory 1 switch
• Memory 2 switch
• Pdm fuse 15a
• Pnk
• Rear fuse block (below left side of rear seat)
• Seat back heat switch
• Tan
• Tan/ red
• Tan/red
• Vent cool led
• Vent cool sig

Memory Seat Wiring Diagram (3 of 5) for Buick Lucerne CXS 2006

List of elements for Memory Seat Wiring Diagram (3 of 5) for Buick Lucerne CXS 2006:

• (approximately 14 cm (6 in) from breakout for driver seat adjuster motor) s351
• (under driver's seat) g300
• A c1
• B c1
• Back ntc low ref
• Battery pos volt
• D c2
• Down ctrl
• Driver position module
• Driver seat lumbar massage motor (in driver's seat back)
• Driver seat recline motor (in driver's seat back)
• Driver seat recline position motor
• Driver seat recline position sensor
• Forward ctrl
• Front ver mtr dn ctrl
• Front ver mtr up ctrl
• Ground
• Horizontal motor
• Horizontal sensor
• Hot at all times
• Low ref
• Lumbar forward ctrl
• Lumbar rearward ctrl
• Memory seat sw high sig
• Msm circuit breaker 25a
• Msm logic/ rf massage fuse 10a
• Msm/lt frt pwr seat circuit breaker 25a
• Ntc low ref
• Pnk
• Rear fuse block (below left side of rear seat)
• Rear ver mtr dn ctrl
• Rear ver mtr up ctrl
• Rearward ctrl
• Recline forward ctrl
• Recline rearward ctrl
• Red/ pnk
• Red/pnk
• S305
• S352 (in left front seat harness, approximately 7 cm (3 in) from breakout for inflatable restraint seat position sensor)
• Tan
• Tan/ red
• Tan/red
• Up ctrl
• Vertical motor
• Vertical sensor

Memory Seat Wiring Diagram (4 of 5) for Buick Lucerne CXS 2006

List of elements for Memory Seat Wiring Diagram (4 of 5) for Buick Lucerne CXS 2006:

• Driver seat adjuster motor assembly (below driver seat)
• Driver seat front vertical motor
• Driver seat front vertical position sensor
• Driver seat horizontal motor
• Driver seat horizontal position sensor
• Driver seat rear vertical motor
• Driver seat rear vertical position sensor
• Heating element
• Left front back heated seat element
• Left front cushion heated seat element
• Pnk
• Right front cushion heated seat element
• Right front heated seat back element
• S360 (in right front seat harness, between c314 & left front cushion heated seat element)
• Tan
• Tan/red
• Thermistor

Memory Seat Wiring Diagram (5 of 5) for Buick Lucerne CXS 2006

List of elements for Memory Seat Wiring Diagram (5 of 5) for Buick Lucerne CXS 2006:

• 5v ref
• Back ntc sig
• Computer data lines system
• Down
• Driver lumbar adjuster switch
• Driver position module
• Driver seat adjuster switch
• Drv seat lumbar dn sw sig
• Drv seat lumbar forward sw sig
• Drv seat lumbar rearward sw sig
• Drv seat lumbar up sw sig
• Enable sig
• Front pass heated seat ntc sig
• Front vertical down
• Front vertical down sw sig
• Front vertical mtr pos sens sig
• Front vertical up
• Front vertical up sw sig
• Gmlan serial data
• Heated seat ctrl module status sig
• Horizontal forward
• Horizontal mtr pos sens sig
• Horizontal rearward
• Horz forward sw sig
• Horz rearward sw sig
• Lumbar horizontal pos sens sig
• Lumbar vertical pos sens sig
• Ntc sig
• Rear vertical down
• Rear vertical down sw sig
• Rear vertical mtr pos sens sig
• Rear vertical up
• Rear vertical up sw sig
• Rearward
• Recline forward
• Recline mtr forward ctrl
• Recline mtr pos sens sig
• Recline mtr rearward ctrl
• Recline rearward
• S349 (approximately 8 cm (4 in) from breakout for auxiliary power outlet connector)
• Tan

NAVIGATION

Parking Assistant Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Parking Assistant Wiring Diagram for Buick Lucerne CXS 2006:

• Center amber ind
• Center amber ind ctrl
• Computer data lines system
• G301 (under left rear seat)
• Ground
• Hot at all times
• Ign 1 voltage
• Left amber ind
• Left amber ind ctrl
• Left rear corner object alarm sensor (on left corner of rear bumper fascia)
• Left rear middle object alarm sensor (on left middle of rear bumper fascia)
• Low ref
• Low reference
• Low speed gmlan serial data
• Lr corner object sensor sig
• Lr middle object sensor sig
• Obj snsr fuse 37 10a
• Object alarm module (on right rear wheelwell)
• Object sensor sply volt
• Rear fuse block (below left side of rear seat)
• Rear park assist indicator
• Red ind
• Red ind ctrl
• Right rear corner object alarm sensor (on right corner of rear bumper fascia)
• Right rear middle object alarm sensor (on right middle of rear bumper fascia)
• Rr corner object sensor sig
• Rr middle object sensor sig
• S400 (in rear fascia harness, approximately 7 cm (3 in) from breakout for right middle object alarm sensor)
• S401 (in rear fascia harness, approximately 7 cm (3 in) from breakout for right middle object alarm sensor)
• Sensor signal
• Teltale assembly sply volt

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 5) for Buick Lucerne CXS 2006

List of elements for Power Distribution Wiring Diagram (1 of 5) for Buick Lucerne CXS 2006:

• (in engine harness, approximately 41 cm (16 in) from underhood fuse block connector c3) s111
• (in ip harness, between c201 & c202) s229
• (on right front of engine compt, forward of strut tower) underhood fuse block
• 3.8l
• 4.6l
• A/c fuse 10a
• A/c relay 11
• Abs 1 fuse jc7 50a
• Abs 2 fuse jc6 60a
• Air bag ign 3 fuse 4 10a
• Air pump fuse jc8 50a
• Air pump relay 9
• Air/ sol fuse 15a
• Air/sol relay 12
• Automatic transmission
• Battery
• Cool/fan 1 relay 1
• Cool/fan 2 relay 7
• Crnk fuse jc4 40a
• Crnk relay 3
• Ecm ign 3 fuse 5 10a
• Electronic brake control module (ebcm)
• Engine control module (ecm) (4.6l) powertrain control module (pcm) (3.8l)
• Fan 1 fuse jc2 30a
• Fan 2 fuse jc5 30a
• Fog lamp pcb relay
• From b trn/sig pcb relay (diagram 1 of 5)
• From ignition switch (diagram 5 of 5)
• Fusible link
• G112 (lower left rear of engine)
• Generator
• High/beam pcb relay
• Horn pcb relay
• Hvac control module
• Hvac/ipc fuse 14 10a
• Inflatable restraint i/p module indicator
• Inflatable restraint sensing & diagnostic module (sdm)
• Instrument panel cluster (ipc)
• Lo/beam pcb relay
• Mode actuator
• Pnk
• Pwr/train relay 4
• Red
• Run/ crank relay 6
• S105 (4.6l)
• Starter motor
• To fog lamp pcb relay (diagram 1 of 5)
• To rear fuse block (diagram 2 of 5)
• Trans ign 3 fuse 6 10a
• Transmission control module (tcm)
• Trn/sig pcb relay
• W/ automatic a/c
• W/ electronic a/c
• W/ electronic a/c pnk
• W/ heated nozzle
• Windshield washer solvent heater
• Wpr fuse 25a
• Wpr hi relay 10
• Wpr relay 8
• Wsh htd fuse jc1 60a
• Wsh pcb relay

Power Distribution Wiring Diagram (2 of 5) for Buick Lucerne CXS 2006

List of elements for Power Distribution Wiring Diagram (2 of 5) for Buick Lucerne CXS 2006:

• (base)
• (below left side of rear seat) rear fuse block
• (in body harness, approximately 10 cm (4 in) from audio amplifier connector c1) s366
• (in engine harness, approximately 80 cm (31 in) from underhood fuse block connector c3) s100
• (in i/p harness, approximately 6 cm (2 in) from branch for hvac module) s200
• (uplvl)
• 3.8l
• 30a
• 4.6l
• Air bag fuse 13 10a
• Amp fuse 1 20a
• Amplifier
• Approximately 14 cm (6 in) from breakout for yaw & lateral acceleration sensor)
• Body control module
• Body harn mdl fuse 35 10a
• Cnstr vent fuse 5 10a
• Data link connector (dlc)
• Ddm fuse 24 15a
• Digital radio receiver
• Driver door module (ddm)
• Ecm/tcm fuse 28 15a
• Engine control module (ecm)
• Evaporative emission (evap) canister vent solenoid valve
• From battery (diagram 1 of 5)
• From c amp fuse 1 (diagram 2 of 5)
• Front heated seat module
• Front passenger door module (fpdm)
• Garage door opener transmitter
• Htd/ cool fuse 27 30a
• Hvac control module
• I/p harn mdl fuse 31 10a
• Inflatable restraint passenger presence system (pps) module
• Inflatable restraint sensing & diagnostic module (sdm)
• Inside rearview mirror
• Instrument panel cluster (ipc)
• Onstar/ s-band fuse 22 10a
• Pdm fuse 25 15a
• Pnk/ red
• Powertrain control module (pcm)
• Radio
• Rdo fuse 21 15a
• Red
• Remote control door lock receiver (rcdlr)
• Rvc sense fuse 29 10a
• Tan/ red
• Theft deterrent module (tdm)
• To body harn mdl fuse 35, 10a (diagram 2 of 5)
• To ign swtch fuse 48, 5a (diagram 3 of 5)
• Transmission control module (tcm)
• Vehicle communication interface module
• W/ digital radio
• W/ onstar
• W/ performance enhanced audio
• W/ tq5

Power Distribution Wiring Diagram (3 of 5) for Buick Lucerne CXS 2006

List of elements for Power Distribution Wiring Diagram (3 of 5) for Buick Lucerne CXS 2006:

• (below left side of rear seat) rear fuse block
• (in center console harness, approximately 10 cm (4 in) from breakout for a/t shift lock control solenoid) s315
• (in right front seat harness, approximately 114 cm (45 in) from passenger seat adjuster switch connector) s348
• Automatic level control (alc) compressor
• Automatic level control module
• Aux pwr fuse 14 20a
• Aux pwr fuse 23 20a
• Auxiliary power outlet console
• Body control module (bcm)
• Chmsl/ bck-up fuse 18 10a
• Cigar lighter
• Cigar lighter (w/ custom seat)
• Driver position module
• Driver seat adjuster switch
• Elc mdl fuse 7 10a
• Electronic suspension control (esc) module
• From d pdm fuse 25, 15a (diagram 2 of 5)
• From e mrtd mdl fuse 6, 25a (diagram 3 of 5)
• Front auxiliary power outlet
• G300 (under driver's seat)
• G304 (under right front passenger's seat)
• Ign switch fuse 48 5a
• Int lamps fuse 3 10a
• Lt trn/ sig fuse 15 15a
• Mrtd mdl fuse 6 25a
• Msm circuit breaker 4 25a
• Msm logic/ rf massage fuse 36 10a
• Msm/lt frt pwr seat circuit breaker 2 25a
• Msm/rt frt pwr seat circuit breaker 1 25a
• Obj snsr fuse 37 10a
• Object alarm module
• Passenger lumbar adjuster switch
• Passenger seat adjuster switch
• Red/ pnk
• Rr trn/ sig fuse 16 15a
• S221
• S307
• Switch dm fuse 10 10a
• To ignition switch (diagram 5 of 5)
• To obj snsr fuse 37, 10a (diagram 3 of 5)
• To rap relay 1 (diagram 4 of 5)
• Trunk relse relay 6
• W/ 8-way
• W/ air suspension
• W/ custom seat
• W/ individual seat
• W/ magnetic ride control
• W/ memory seat
• W/ multi-directional
• W/ rear parking assist
• W/o memory seat

Power Distribution Wiring Diagram (4 of 5) for Buick Lucerne CXS 2006

List of elements for Power Distribution Wiring Diagram (4 of 5) for Buick Lucerne CXS 2006:

• (below left side of rear seat) rear fuse block
• (in body harness, approximately 19 cm (8 in) from breakout for g301)
• (in body harness, approximately 64 cm (26 in) from branch for battery current sensor)
• (in center console harness, approximately 8 cm (3 in) from breakout for a/t shift lock control solenoid) s381
• Bck-up fuse 18, 10a (diagram 3 of 5)
• Bcm logic fuse 12 10a
• Body control module (bcm)
• Ctsy/ rf trn fuse 4 10a
• Dr lck relay 9
• Dr mdl/ pwr wndw circuit breaker 3 25a
• Dr unlck relay 10
• Driver door module (ddm)
• Drl relay 4
• Elc comprsr fuse jc3 30a
• Elc comprsr relay 15
• From branch for battery current sensor) s337
• From chsml/ f
• From dr mdl/ g pwr wndw circuit breaker 3, 25a (diagram 3 of 5)
• Front heated seat module
• Front passenger door module (fpdm)
• Frt hvac blwr relay 5
• Fuel pump fuse 11 20a
• Fuel/ pump relay 7
• G301 (under left rear seat)
• Htd/ cool/ ign 3 fuse 47 10a
• Hvac blwr fuse jc1 40a
• Inside rearview mirror
• Left rear door window switch
• Outside moisture sensor (if equipped)
• Park switch
• Prk lamp relay 2
• Rap fuse 41 10a
• Rap relay 1
• Rear defog fuse jc2 40a
• Rear defog relay 14
• Rear dr lck fuse 19 20a
• Reverse lockout solenoid
• Right rear door window switch
• Run relay 3
• S/roof fuse 17 25a
• S302
• Shftr sol fuse 40 10a
• Sunroof control module
• To hvac blwr fuse jc1, 40a (diagram 4 of 5)
• W/ custom seat
• W/ front heated seat cooling
• W/ heated nozzle
• W/ individual seat
• W/o front heated seat cooling
• Windshield washer solvent heater

Power Distribution Wiring Diagram (5 of 5) for Buick Lucerne CXS 2006

List of elements for Power Distribution Wiring Diagram (5 of 5) for Buick Lucerne CXS 2006:

• (in engine harness, approximately 13 cm (5 in) from breakout for c138) s104
• (in steering column harness, between c203 & ignition switch connector) s201
• 3.8l
• 4.6l
• Acc
• Body control module (bcm)
• Engine control module (ecm)
• From ign sw fuse (diagram 3 of 5)
• Ignition switch
• Inflatable restraint steering wheel module coil
• Key-in switch
• Left steering wheel control switch
• Off
• Pnk
• Powertrain control module (pcm)
• Rear fuse block (below left side of rear seat)
• Right steering wheel control switch
• Run
• Start
• Str/whl/ illum fuse 34 2a
• Theft deterrent module (tdm)
• To run/crank relay 6 (diagram 1 of 5)
• Transmission control module (tcm)

POWER DOOR LOCKS

Power Door Locks Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Power Door Locks Wiring Diagram for Buick Lucerne CXS 2006:

• (in body harness, approximately 9 cm (3 in) from branch for c314) s343
• (under center of rear package shelf) remote control door lock receiver (rcdlr)
• (under left rear seat) g301
• Battery
• Body control module (bcm) (right of glove box)
• Body harn mdl fuse 10a
• Computer data lines system
• Ddm fuse 24 15a
• Dr lck relay
• Dr lock act ctrl
• Dr mdl/ pwr wndw circuit breaker 3 25a
• Dr unlck relay
• Dr unlock act ctrl
• Driver door latch assembly (rear of driver's door)
• Driver door module (ddm)
• Drv dr key sw sig
• Exterior lights system
• Front passenger door latch assembly (rear of front passenger's door)
• Front passenger door module (fpdm)
• G104 (right front corner of engine compt)
• G300 (under driver's seat)
• G301 (under left rear seat)
• G304 (under right front passenger's seat)
• G306 (at left "c" pillar)
• Gmlan serial data
• Ground
• Hood ajar sw sig
• Hood ajar switch (w/ remote keyless entry) (center front of engine compt)
• Hood closed sw sig
• Horn rly ctrl
• Horns system
• Hot at all times
• Ign
• Instrument panel cluster (ipc)
• Keyless entry antenna
• Keyless entry antenna sig
• Left rear door latch assembly (rear of left rear door)
• Lf dr ajar sw sig
• Lf dr open sw sig
• Lf dr sw low ref
• Logic
• Low spd gmlan ser data
• Lr dr ajar sw sig
• Lr dr lock mtr ctrl
• Lr dr open sw sig
• Nca
• Park lamp rly ctrl
• Pdm fuse 25 15a
• Rear dr lck fuse 19 20a
• Rear fuse block (below left side of rear seat)
• Rf dr ajar sw sig
• Rf dr open sw sig
• Rf dr sw low ref
• Right rear door latch assembly (rear of right rear door)
• Rr dr ajar sw sig
• Rr dr open mtr ctrl
• S301
• S337
• S385
• S700
• S800
• Security ind
• Serial data
• Tan
• Tan/ red
• Tan/red
• W/ theft deterrent system
• W/o theft deterrent system

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Electrochromic Mirror Wiring Diagram for Buick Lucerne CXS 2006:

• (left rear of luggage compt) g402
• Automatic day/night mir low ref
• Automatic day/night mir sig
• Battery positive voltage
• Body harn mdl fuse 10a
• Computer data lines system
• Driver outside rearview mirror (in driver's door)
• Exterior lights system
• Gmlan serial data
• Ground
• Hot at all times
• Hot w/ rap relay energized
• Ign positive vol
• Inside rearview mirror
• Keypad green led sig
• Keypad red led sig
• Keypad sig
• Nca
• Power distribution system
• Rap fuse 10a
• Rear fuse block (below left side of rear seat)
• S301
• S312
• Vehicle communication interface module (vcim) (w/ onstar) (on right front of trunk, attached to seat back brace)

Power Mirrors Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Power Mirrors Wiring Diagram for Buick Lucerne CXS 2006:

• 5v ref
• Battery positive voltage
• Ddm fuse 15a
• Defogger system
• Driver door module (ddm)
• Driver mir horz pos sens sig
• Driver mir ver pos sens sig
• Driver outside rearview mirror (in driver's door)
• Electrochromic mirror circuit
• Exterior lights system
• Front passenger door module (fpdm)
• Heating element
• Horizontal
• Horizontal motor
• Hot at all times
• Left mir mtr dn ctrl
• Left mir mtr left ctrl
• Left mir mtr up/right ctrl
• Low ref
• Nca
• Outside rearview mirror switch
• Pass mir horz pos sens sig
• Pass mir mtr left ctrl
• Pass mir ver pos sens sig
• Passenger outside rearview mirror (in front passenger door)
• Pdm fuse 15a
• Rear fuse block (below left side of rear seat)
• Right mir mtr dn ctrl
• Right mir mtr up/right ctrl
• Tan/ red
• Tan/pnk
• Tan/red
• Vertical motor

POWER SEATS

6-Way Power Seat Wiring Diagram for Buick Lucerne CXS 2006

List of elements for 6-Way Power Seat Wiring Diagram for Buick Lucerne CXS 2006:

• Driver seat adjuster motor assembly (below driver seat)
• Driver seat adjuster switch
• Driver seat front vertical motor
• Driver seat horizontal motor
• Driver seat rear vertical motor
• Forward
• Front down
• Front passenger seat adjuster motor assembly (below front passenger's seat)
• Front passenger seat front vertical motor
• Front passenger seat horizontal motor
• Front passenger seat rear vertical motor
• Front up
• G300 (under driver's seat)
• Hot at all times
• Msm/lt frt pwr seat circuit breaker 2 25a
• Msm/rt frt pwr seat circuit breaker 1 25a
• Nca
• Passenger seat adjuster switch
• Rear down
• Rear fuse block (below left side of rear seat)
• Rear up
• Rearward
• Red/ pnk
• Tan

8-Way Passenger Power Seat Wiring Diagram for Buick Lucerne CXS 2006

List of elements for 8-Way Passenger Power Seat Wiring Diagram for Buick Lucerne CXS 2006:

• Forward
• Front down
• Front passenger seat adjuster motor assembly (below front passenger's seat)
• Front passenger seat front vertical motor
• Front passenger seat horizontal motor
• Front passenger seat rear vertical motor
• Front passenger seat recline motor
• Front up
• G300 (under driver's seat)
• Hot at all times
• Msm/rt frt pwr seat circuit breaker 1 25a
• Nca
• Passenger seat adjuster switch
• Rear down
• Rear fuse block (below left side of rear seat)
• Rear up
• Rearward
• Recline forward
• Recline rearward
• S306
• S348
• Tan

Lumbar Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Lumbar Wiring Diagram for Buick Lucerne CXS 2006:

• Down
• Forward
• Front passenger seat lumbar motor
• G300 (under driver's seat)
• Hot at all times
• Msm/rt frt pwr seat circuit breaker 25a
• Passenger lumbar adjuster switch
• Pnk
• Rear fuse block (below left side of rear seat)
• Rearward
• S306 (w/ 8 way)
• S348 (w/ 8 way)

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Power Top/Sunroof Wiring Diagram for Buick Lucerne CXS 2006:

• Accessory
• Battery
• Close sig
• Close vent sig
• Express sig
• G402 (left rear of luggage compartment)
• G403 (right front wall of luggage compartment)
• Ground
• Hot in run or start
• Interior lights system
• Open sig
• Open vent sig
• Pnk
• Power distribution system
• Rap fuse 41 10a
• Rear fuse block (below left side of rear seat)
• Roof close
• Roof express
• Roof open
• S/roof fuse 17 25a
• S313
• S330
• Sunroof control module (rear of sunroof opening)
• Sunroof switch
• Tan
• Vent close
• Vent express
• Vent express sig
• Vent open

POWER WINDOWS

Power Windows Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Power Windows Wiring Diagram for Buick Lucerne CXS 2006:

• (under left rear seat) g301
• (under right front passenger's seat) g304
• Batt volt
• Body control module (bcm) (right of glove box)
• Computer data lines system
• Dr mdl/ pwr wndw circuit breaker 25a
• Driver door module (ddm)
• Driver door window switch
• Driver window motor (in driver's door)
• Front passenger door module (fpdm)
• Front passenger door window switch
• Front passenger window motor (in front passenger's door)
• G300 (under driver's seat)
• G304 (under right front passenger's seat)
• Gmlan serial data
• Ground
• Hot at all times
• Interior lights system
• Left front down ctrl
• Left front up ctrl
• Left rear door window switch
• Left rear down ctrl
• Left rear down sig
• Left rear up ctrl
• Left rear up sig
• Left rear window motor (in left rear door)
• Logic
• Master sw sig
• Rear fuse block (below left side of rear seat)
• Right rear door window switch
• Right rear down ctrl
• Right rear down sig
• Right rear sig
• Right rear up ctrl
• Right rear up sig
• Right rear window motor (in right rear door)
• S337
• S700
• S800
• Sply volt

RADIO

Radio Wiring Diagram, with Amplifier (1 of 2) for Buick Lucerne CXS 2006

List of elements for Radio Wiring Diagram, with Amplifier (1 of 2) for Buick Lucerne CXS 2006:

• (on right front of trunk, attached to seat back brace) (if equipped) vehicle communication interface module (vcim)
• (or 7043)
• (or 7044)
• (under driver's seat) g305
• 14v sw sply volt
• 14v sw sply voltage
• Amplifier control
• Antenna sig
• Antenna signal
• Anti-lock brakes system
• Audio communication sig
• Backlight lamp ctrl
• Battery
• Battery pos voltage
• Coaxial cable
• Computer data lines system
• Digital radio antenna
• Digital radio receiver (drr) (at left "d" pillar)
• Drain wire
• F21 rdo fuse 15a
• F22 onstar/ s-band fuse 10a
• Front audio drain wire
• G305 (under driver's seat)
• Gps antenna
• Ground
• Hot at all times
• Interior lights system
• Left front spkr (+)
• Lf low level audio (-)
• Lr low level audio (-)
• Lr low level audio sig
• Navigation system
• Navigation voice sig
• Pnk
• Radio
• Radio antenna module (at right "d" pillar)
• Radio audio (-)
• Radio left audio sig
• Rear audio drain wire
• Rear fuse block (below left side of rear seat)
• Remote radio audio (-)
• Remote radio left audio sig
• Remote tape player audio
• Rf low level audio (-)
• Rf low level audio sig
• Right audio sig (1)
• Right audio sig (2)
• Right audio signal (1)
• Right audio signal (2)
• Rr low level audio (-)
• Rr low level audio sig
• Serial data
• Speed gmlan serial data
• Tan
• Tan/red
• Tape player left audio sig
• Vehicle speed sig

Radio Wiring Diagram, with Amplifier (2 of 2) for Buick Lucerne CXS 2006

List of elements for Radio Wiring Diagram, with Amplifier (2 of 2) for Buick Lucerne CXS 2006:

• (base) (uplvl)
• Amplifier (mounted to left rear of rear seat)
• Amplifier ctrl
• Battery
• Body control module (bcm) (right of glove box)
• Bus +
• Bus -
• Computer data lines system
• Cruise control system
• Ctrl sig
• F cen spkr (+)
• F cen spkr (-)
• F1 amp fuse 20a 30a
• Front center speaker
• G305 (under driver's seat)
• Ground
• Hot at all times
• Inflatable restraint steering wheel module coil (top of steering column)
• Left front door speaker
• Left front tweeter speaker
• Left rear door speaker
• Left rear speaker
• Lf low level (-)
• Lf low level sig
• Lf speaker (+)
• Lf spkr sig (-)
• Lr low level (-)
• Lr low level sig
• Lr mid spkr (+)
• Lr mid spkr (-)
• Lr speaker (+)
• Lr spkr sig (-)
• Module coil) s220
• Pnk
• Rear fuse block (below left side of rear seat)
• Rf low level (-)
• Rf low level sig
• Rf speaker (+)
• Rf spkr sig (-)
• Right front door speaker
• Right front tweeter speaker
• Right rear door speaker
• Right rear speaker
• Right steering wheel control switch
• Rr low level (-)
• Rr low level sig
• Rr mid spkr (+)
• Rr speaker (+)
• Rr spkr sig (-)
• S361 (in body harness, between c300 & amplifier)
• S362 (in body harness, between c300 & amplifier)
• S363 (in body harness, between c301 & amplifier)
• S364 (in body harness, between c301 & amplifier)
• S365
• S366
• Sply volt
• Tan
• Tan/red

Radio Wiring Diagram, without Amplifier (1 of 2) for Buick Lucerne CXS 2006

List of elements for Radio Wiring Diagram, without Amplifier (1 of 2) for Buick Lucerne CXS 2006:

• (on right front of trunk, attached to seat back brace) (if equipped) vehicle communication interface module (vcim)
• (or 7043)
• (or 7044)
• 14v sw sply volt
• 14v sw sply voltage
• Amplifier (mounted to left rear of rear seat)
• Antenna sig
• Antenna signal
• Anti-lock brakes system
• Audio communication sig
• Backlight lamp ctrl
• Battery
• Coax
• Computer data lines system
• Drain wire
• F21 rdo fuse 15a
• F22 onstar/ s-band fuse 10a
• G305 (under driver's seat)
• Gps antenna
• Ground
• Hot at all times
• Interior lights system
• Left front door speaker
• Left front spkr (+)
• Left front spkr sig (-)
• Left front tweeter speaker
• Left rear speaker
• Lr midrange speaker (-)
• Lr midrange spkr (+)
• Navigation system
• Navigation voice sig
• Pnk
• Radio
• Radio antenna module (at right "d" pillar)
• Rear fuse block (below left side of rear seat)
• Remote radio audio (-)
• Remote radio left audio sig
• Remote tape player audio
• Right audio signal (1)
• Right audio signal (2)
• Right front door speaker
• Right front spkr (+)
• Right front spkr sig (-)
• Right front tweeter speaker
• Right rear speaker
• Rr midrange spkr (+)
• Rr midrange spkr (-)
• S361 (in body harness, between c300 & amplifier)
• S362 (in body harness, between c300 & amplifier)
• S363 (in body harness, between c301 & amplifier)
• S364 (in body harness, between c301 & amplifier)
• Speed gmlan serial data
• Tan
• Tape player left audio sig
• Vehicle speed sig

Radio Wiring Diagram, without Amplifier (2 of 2) for Buick Lucerne CXS 2006

List of elements for Radio Wiring Diagram, without Amplifier (2 of 2) for Buick Lucerne CXS 2006:

• (under
• Battery pos voltage
• Body control module (bcm) (right of glove box)
• Bus +
• Bus -
• Coax
• Computer data lines system
• Cruise control system
• Ctrl sig
• Digital radio antenna
• Digital radio receiver (drr) (at left "d" pillar)
• Driver's seat)
• G305
• Ground
• Inflatable restraint steering wheel module coil (top of steering column)
• Module coil) s220
• Radio audio (-)
• Radio left audio sig
• Right audio sig (1)
• Right audio sig (2)
• Right steering wheel control switch
• Serial data
• Sply volt
• Tan

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Shift Interlock Wiring Diagram for Buick Lucerne CXS 2006:

• 3.8l
• 4.6l
• 5 volt ref
• A/t shift lock control solenoid
• Automatic transmission
• Body control module (bcm) (right of glove box)
• Brake pedal position sensor (top of brake pedal assembly)
• Column shifter shift lock control solenoid
• Computer data lines system
• D n
• Data bus +
• Data bus -
• Engine control module (ecm) (4.6l) (left side of engine compt)
• Floor shifter assembly (w/ custom seat)
• G112 (lower left rear of engine)
• G300 (under driver's seat)
• G304 (under right front passenger's seat)
• Hot in run or start
• Htd/cool/ ign 3 fuse 10a
• Ignition lock cylinder solenoid
• Interior lights system
• Low ref
• Park switch
• Powertrain control module (pcm) (3.8l)
• Prndl lamp
• Range sig a
• Range sig b
• Range sig c
• Range sig p
• Rear fuse block (below left side of rear seat)
• Reverse lockout solenoid
• S105
• S204
• S302 (w/ climate control seats)
• S381
• S383
• Sensor sig
• Shftr sol fuse 10a
• Sol ctrl
• Supp volt
• Switch signal a
• Switch signal b
• Switch signal c
• Switch signal p
• Tan
• Transmission control module (tcm)
• Transmission internal mode switch (ims)
• W/ custom seat
• W/ individual seat

STARTING/CHARGING

Charging Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Charging Wiring Diagram for Buick Lucerne CXS 2006:

• 3.8l
• 4.6l
• Battery
• Battery current sensor (below right side of rear seat)
• Battery ind
• Battery positive volt
• Body control module (bcm) (right of glove box)
• Computer data lines system
• Current sensor low ref
• Current sensor sig
• Fusible link
• G303 (below right side of rear seat)
• Gen f-term
• Gen l-term
• Generator
• Ground
• Hi speed gmlan serial data +
• Hi speed gmlan serial data -
• Ign
• Instrument panel cluster (ipc)
• Lo spd gmlan serial data
• Logic
• Powertrain control module (pcm) (3.8l) engine control module (ecm) (4.6l) (left side of engine compt)
• Rear fuse block (below left side of rear seat)
• Red
• Rvc sense fuse 10a
• Serial data
• Starter motor
• Tan
• Underhood fuse block (on right front of engine compt, forward of strut tower)

Starting Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Starting Wiring Diagram for Buick Lucerne CXS 2006:

• (3.8l)
• (4.6l)
• 3.8l
• 4.6l
• Acc
• Automatic transmission
• Battery
• Body control module (bcm) (right of glove box)
• Charging circuit
• Computer data lines system
• Crank fuse 40a
• Crank relay 3
• Ecm ign 3 fuse 10a
• Ecm/ crank fuse 15a
• G112 (lower left rear of engine)
• G303 (below right side of rear seat)
• Ground distribution system
• Hi speed gmlan serial data +
• Hi speed gmlan serial data -
• Hot at all times
• Hot w/ powertrain relay energized
• Ign 1 vol
• Ign sw fuse 5a
• Ignition switch
• Internal mode switch (ims)
• Off
• Park/neutral sig
• Pnk
• Powertrain control module (pcm) (3.8l) engine control module (ecm) (4.6l) (left side of engine compt)
• Rear fuse block (below left side of rear seat)
• Red
• Run
• Run/crank ign 1 vol
• Run/crank relay 6
• S101
• S105
• Start
• Starter ctrl
• Starter motor
• Tan
• Underhood fuse block (on right front of engine compt, forward of strut tower)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Buick Lucerne CXS 2006

List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Buick Lucerne CXS 2006:

• (in body harness, approximately 42 cm (17 in) from breakout for yaw & lateral acceleration sensor) s370
• (in steering wheel) inflatable restraint steering wheel module
• (right side of dash) inflatable restraint i/p module
• (under right front
• A1 c3
• Air bag ign 3 fuse 4 10a
• Batt positive vol
• Case ground
• Computer data lines system
• Ground
• High control
• Hot w/ run/crnk relay energized
• Ign 1 vol
• Inflatable restraint sensing & diagnostic module (sdm)
• Inflatable restraint steering wheel module coil (top of steering column)
• Left inflatable restraint front end sensor (left front of engine compartment)
• Left inflatable restraint side impact module (left side of driver's seat back)
• Left inflatable restraint side impact sensor (sis) (base of left "b" pillar)
• Left seat belt switch
• Low control
• Low reference
• Low speed
• Nca
• Passenger's seat) g302
• Pin shorting bars engaged
• Pnk
• Pnk/red
• Right inflatable restraint front end sensor (right front of engine compartment)
• Right inflatable restraint seat position sensor (sps) (on front passenger's seat left seat rail)
• Right inflatable restraint side impact module (right side of front passenger's seat back)
• Right inflatable restraint side impact sensor (sis) (base of right "b" pillar)
• Right seat belt switch
• Sensor signal
• Sensor voltage
• Shorting bar
• Stage 1
• Stage 2
• Switch signal
• Tan
• Tan/ pnk
• Tan/pnk
• Underhood fuse block (on right front of engine compt, forward of strut tower)
• When module connector is disconnected from harness: (shorting bars are connected between following pins: 20-21 & 22-23)

Supplemental Restraints Wiring Diagram (2 of 2) for Buick Lucerne CXS 2006

List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Buick Lucerne CXS 2006:

• (canada) off ind
• (canada) on ind
• (left rear of luggage compt) g402
• (under driver's seat) g300
• Air bag fuse 13 10a
• Air bag ind
• Batt positive vol
• Computer data lines system
• Gmlan (sdm)
• Ground
• Hot at all times
• Ign
• Inflatable restraint i/p module indicator
• Inflatable restraint passenger presence system (pps) module (under front passenger's seat)
• Inflatable restraint passenger presence system (pps) sensor (under right side of front passenger's seat)
• Inflatable restraint passenger seat belt tension retractor sensor (bottom of right "b" pillar)
• Instrument panel cluster (ipc)
• Left front seat belt pretensioner
• Left inflatable restraint roof rail module (if equipped) (left roof rail)
• Logic
• Low reference
• Nca
• Pass air bag off ind ctrl
• Pass air bag on ind ctrl
• Pass seat belt ind
• Passenger air bag ind
• Pnk
• Pnk/ red
• Pnk/red
• Pnk/tan
• Rear fuse block (below left side of rear seat)
• Right front seat belt pretensioner
• Right inflatable restraint roof rail module (if equipped) (right roof rail)
• S312 (in headliner harness, approximately 10 cm (4 in) from branch for c321)
• Seat belt ind
• Sensor signal
• Serial data
• Shorting bar
• Tan
• Voltage reference

TRANSMISSION

3.8L VIN K

3.8L VIN K, A/T Wiring Diagram for Buick Lucerne CXS 2006

List of elements for 3.8L VIN K, A/T Wiring Diagram for Buick Lucerne CXS 2006:

• (in engine harness, approximately 14 cm (6 in) from branch for throttle body assembly) s105
• (left rear of engine)
• (lower left rear of engine) g112
• (not used)
• 1-2 shift sol
• 1-2 shift solenoid valve
• 2-3 shift sol
• 2-3 shift solenoid valve
• 5 volt ref 2
• A/t fluid pressure manual valve position switch
• A/t fluid temperature sensor
• A/t input shaft speed sensor
• At iss sig high
• At iss sig low
• Automatic transmission
• Battery
• Code a
• Code b
• Code c
• Ecm ign 3 fuse 5 10a
• Ecm/ tcm fuse 28 15a
• Ect sensor sig
• Engine coolant temperature sensor
• Hot at all times
• Hot in run or start
• Hot w/ run crank relay energized
• Ignition 1
• Low ref
• Manifold absolute pressure sensor (on top front of engine)
• Map sensor sig
• Parity
• Pc sol high
• Pc sol low
• Pnk
• Powertrain control module (front left side of eng compartment, inside air cleaner housing)
• Pressure control solenoid valve
• Rear fuse block (below left side of rear seat)
• Red a
• Red s115
• Tan
• Tan b
• Tcc sol
• Tcc sw sig
• Tft sensor sig
• Torque converter clutch solenoid
• Tr sig a
• Tr sig b
• Tr sig c
• Tr sig p
• Trans ign 3 fuse 3 10a
• Transmission internal mode switch
• Underhood fuse block (on right front of engine compartment, forward of strut tower)
• Vehicle speed sensor (in transmission)
• Vss sig high
• Vss sig low

4.6L VIN Y

4.6L VIN Y, A/T Wiring Diagram for Buick Lucerne CXS 2006

List of elements for 4.6L VIN Y, A/T Wiring Diagram for Buick Lucerne CXS 2006:

• (approximately 41 cm (16 in) from underhood fuse block connector c3) s111
• (in engine harness,
• (on transmission) vehicle speed sensor
• (right of glove box) body control module
• Acc
• Approximately 13 cm (5 in) from breakout for c138)
• Automatic transmission
• Automatic transmission fluid temperature sensor
• Automatic transmission input shaft speed sensor
• Battery
• Computer data lines system
• Ecm/tcm fuse 28 15a
• Engine control module (left side of engine compartment)
• Exterior lights system
• G112 (lower left rear of engine)
• Gmlan serial data
• Ground
• Hot at all times
• Hot in run or start
• Ign 1
• Ign 3 voltage
• Ignition switch
• Iss high sig
• Iss low sig
• Lock
• Low ref
• Nca
• P/n
• P/n signal
• Pc sol hi ctrl
• Pc sol vlv ctrl
• Pnk
• Pressure control solenoid valve
• Rear fuse block (below left side of rear seat)
• Run
• S100 (in engine harness, approximately 80 cm (31 in) from underhood fuse block connector c3)
• S104
• S201
• Serial data
• Serial data bus+
• Serial data bus-
• Shift sol valve a
• Shift sol valve b
• Shift sol vlv a
• Shift sol vlv b
• Start
• Stop lamp sw sig
• Tan
• Tcc sol ctrl
• Tcc sol valve
• Tft sens sig
• Trans ign 3 fuse 6 10a
• Trans range a
• Trans range b
• Trans range c
• Trans range p
• Transmission control module (tcm)
• Transmission internal mode switch
• Underhood fuse block (on right front of engine compartment, forward of strut tower)
• Vss hi sig
• Vss low sig

TRUNK, TAILGATE, FUEL DOOR

Trunk Release Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Trunk Release Wiring Diagram for Buick Lucerne CXS 2006:

• (under driver's seat) g300
• Body control module (bcm) (right of glove box)
• G301 (under left rear seat)
• G402 (left rear of luggage compt)
• Hot at all times
• Interior lights system
• Rear compartment lid latch (center rear of luggage compt)
• Rear compartment lid release switch
• Rear fuse block (below left side of rear seat)
• S203
• Trunk ajar sw sig c6
• Trunk release ctrl c2
• Trunk release relay ctrl c7
• Trunk relse relay

WARNING SYSTEMS

Warning Systems Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Warning Systems Wiring Diagram for Buick Lucerne CXS 2006:

• Audible alarm
• Auto
• Battery positive volt
• Body control module (bcm) (right of glove box)
• Chmsl/ bck-up fuse 18 10a
• Computer data lines system
• Driver door latch assembly (rear of driver's door)
• Driver door module (ddm)
• G303 (below right side of rear seat)
• G304 (under right front passenger's seat)
• Ground
• Head
• Headlamp switch
• Hot at all times
• Inflatable restraint sensing & diagnostic module
• Instrument panel cluster (ipc)
• Left seat belt switch
• Lf door ajar sw sig
• Lf door open sw sig
• Lf door sw low ref
• Lf seat belt sw sig
• Logic
• Low ref
• Low spd serial data
• Lt trn/ sig fuse 15 15a
• Off
• Park
• Park lp sw sig
• Pass seat pos sw sig
• Rear fuse block (below left side of rear seat)
• Rf seat belt sw sig
• Right inflatable restraint seat position sensor (sps) (on front passenger's seat left seat rail)
• Right seat belt switch
• Rr trn/ sig fuse 16 15a
• S206
• S370 (in body harness, approximately 42 cm (17 in) from breakout for yaw & lateral acceleration sensor)
• Seat belt ind
• Tan/ pnk
• Tan/pnk
• W/ theft deterrent system
• W/o theft deterrent system

WIPER/WASHER

Wiper/Washer Wiring Diagram for Buick Lucerne CXS 2006

List of elements for Wiper/Washer Wiring Diagram for Buick Lucerne CXS 2006:

• Acc volt
• Batt pos volt
• Body control module (bcm) (right of glove box)
• Check washer fluid
• Ctrl sw sig
• Delay switch
• G101 (left front corner of engine compt)
• G104 (right front corner of engine compt)
• G300 (under driver's seat)
• G304 (under right front passenger's seat)
• G402 (left rear of luggage compt)
• Ground
• Heated washer fluid switch
• Heated washer fluid washer sys off
• High
• High speed rly ctrl
• Hot at all times
• Hot in run or start
• Htd/ cool ign 3 fuse 10a
• Instrument panel cluster (ipc)
• Int
• Logic
• Low
• Low ref
• Low washer fluid ind ctrl
• Message center
• Mist
• Off
• Outside moisture sensor (if equipped) (above rearview mirror on windshield)
• Park sw sig
• Park switch
• Pnk
• Power distribution system
• Rap fuse 41 10a
• Rear fuse block (below left side of rear seat)
• Run ign 3 volt
• S204
• S312
• Sen sig 1
• Sen sig 2
• Sensor signal 1
• Sensor signal 2
• Sw sply volt
• Tan
• Turn signal/multi-function switch
• Underhood fuse block (on right front of engine compt, forward of strut tower)
• Washer fluid heated ctrl sw sply volt
• Washer sw sig
• Washer switch
• Windshield washer fluid level switch (bottom of windshield washer fluid reservoir)
• Windshield washer fluid pump (bottom of windshield washer fluid reservoir)
• Windshield washer solvent heater (w/ heated nozzles)
• Windshield wiper motor (on left side of firewall)
• Wiper rly ctrl
• Wiper sw high sig
• Wiper sw low sig
• Wiper switch
• Wpr fuse 18 25a
• Wpr hi relay 10
• Wpr relay 8
• Wsh pcb relay
• Wsw htd fuse jc1 60a
• Wsw/ pump fuse 12 15a