All Wiring Diagrams for Buick Regal LS 2002 model

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Buick Regal LS 2002

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Buick Regal LS 2002:

• (dash harn, 18 cm from radio breakout) s230
• (dash harn, 4 cm from breakout to radio)
• (dash harn, 4 cm from radio breakout)
• (on right side of of hvac module) vacuum/ electric solenoid
• (right side of dash) g200
• (right side of dash) g201
• 5 v ref
• A/c solenoid
• Air temp dr ctrl
• Air temperature actuator (left) (left side of hvac module)
• Air temperature actuator (right) (right side of hvac module)
• Air temperature sensor (inside) (below instrument cluster)
• Ambient air temperature sensor (front of radiator support)
• Ambient temp sig
• Battery
• Bi-level solenoid
• Blower motor (in hvac module)
• Blower motor control processor (right side of dash, in hvac module)
• Blower speed ctrl
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Class 2 serial data
• Cntrl in
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (dlc) (under left side of dash, right of steering column)
• Def mode sol ctrl
• Defrost solenoid
• Gnd
• Grd
• Heater solenoid
• High blower fuse 30a
• Hot at all times
• Hot in run
• Hvac control module
• Hvac fuse 10a
• I/p fuse block (behind right side of dash)
• Ign 3 voltage
• Inside temp sig
• Interior lights system
• Ip dim sw sig
• Low ref
• Lt temp dr pos
• Lwr mode sol ctrl
• Mix-blnd sol ctrl
• Nca
• Radio,hvac, rfa, cluster data link fuse 15a
• Rear defogger system
• Recirc sol ctrl
• Recirc solenoid
• Red
• Rr defog rly ctrl
• Rt temp dr ctrl
• Rt temp dr pos
• S202 (dash harn, right of steering column)
• S231 (dash harn, 34 cm from heater-a/c control breakout)
• S233
• S258
• Solid state
• Sp205 (right side of steering column)
• Spd cntrl
• Sun load sig
• Sunload sensor (top right side of dash, near) defogger outlet)
• Tan
• Upper mode sol ctrl

Automatic A/C Wiring Diagram (2 of 2) for Buick Regal LS 2002

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Buick Regal LS 2002:

• (cool fan jumper harn, 19cm from right conn to cooling fan motor)
• (cooling fan jumper harn, 19cm from right conn to cooling fan motor) s104
• (cooling fan jumper harn, 20cm from left conn to cooling fan motor)
• (engine harn, 4 cm from coolant fan breakout) s105
• (engine harn, 4 cm from pcm breakout)
• (fuel inj harn, near breakout to map sensor)
• (top left side of engine, below throttle body)
• 3.1l
• 3.8l
• 5 volt ref
• A/c compressor clutch
• A/c clu diode
• A/c clutch fuse 23 10a
• A/c clutch relay 15
• A/c press signal
• A/c refrigerent pressure sensor (left front strut tower, on a/c liquid line)
• A10
• A11
• C11
• Class 2 ser data
• Clutch rly ctrl
• Cool fan 1 fuse 15a
• Cool fan 2 fuse 15a
• Cool fan 1 relay
• Cool fan 2 relay
• Cool fan 3 relay
• Coolant fan (left)
• Coolant fan (right)
• E10
• Ect ground
• Ect signal
• Engine controls system
• Engine coolant temperature (ect) sensor
• F12
• G113 (left front of engine)
• Hi spd rly ctrl
• Hot at all times
• Ign main relay (closed in run or start)
• Left cooling fan diode (3.1l)
• Lo spd rly ctrl
• Low ref
• Nca
• Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
• Right cooling fan diode (3.1l)
• S101
• S102
• S103
• S121
• S167
• Underhood fuse block (right side of engine compt, mounted to strut tower)

Compressor Wiring Diagram for Buick Regal LS 2002

List of elements for Compressor Wiring Diagram for Buick Regal LS 2002:

• (dash harn, 18 cm from radio breakout) s230
• (left front of engine) g113
• (w/ auto a/c)
• (w/ manual a/c)
• 5 volt ref
• A/c clu diode
• A/c clutch fuse 23 10a
• A/c clutch relay 15
• A/c compressor clutch
• A/c press signal
• A/c refrigerent pressure sensor (left front strut tower, on a/c liquid line)
• A/c request
• Auto a/c
• Battery
• C11
• C12
• Class 2 ser data
• Clutch request
• Clutch rly ctrl
• D12
• Engine controls system
• G200 (right side of dash)
• Ground
• Hot at all times
• Hot in run
• Hvac control module
• Hvac fuse 10a
• I/p fuse block (behind right side of dash)
• Ign main relay (closed in run or start)
• Ignition
• Low ref
• Manual a/c
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Rdo, hvac, rfa clstr, cel tel fuse 10a
• S105 (engine harn, 4 cm from coolant fan breakout)
• S167 (engine harn, 4 cm from pcm breakout)
• S202 (dash harn, 19 cm from radio breakout)
• S233 (dash harn, 4 cm from radio breakout)
• Serial data
• Sp205 (right side of steering column)
• Underhood fuse block (right side of engine compt)

Manual A/C Wiring Diagram for Buick Regal LS 2002

List of elements for Manual A/C Wiring Diagram for Buick Regal LS 2002:

• (cool fan jumper harn, 19cm from right conn to cooling fan motor)
• (cooling fan jumper harn, 19cm from right conn to cooling fan motor) s104
• (cooling fan jumper harn, 20cm from left conn to cooling fan motor)
• (dash harn, 18 cm from radio breakout)
• (dash harn, 4 cm from radio breakout) s233
• (engine harn, 4 cm from coolant fan breakout)
• (engine harn, 4 cm from pcm breakout)
• (fuel inj harn, near breakout to map sensor)
• (left side of hvac module) air temperature actuator (left)
• (right side of dash) g200
• (top left side of engine, below throttle body)
• +5v reference
• 3.1l
• 3.8l
• A/c compressor clutch
• A/c clu diode
• A/c clutch fuse 23 10a
• A/c clutch relay 15
• A/c press signal
• A/c refrigerent pressure sensor (at left front strut tower, on a/c liquid line)
• A/c request sig
• A10
• A11
• Air temperature actuator (right) (right side of hvac module)
• Battery
• Blower motor (behind right side of dash, in hvac module)
• Blower motor resistor assembly (under right side of dash, right side of hvac module)
• C11
• Clutch request
• Comp control
• Cool fan 1 fuse 15a
• Cool fan 2 fuse 15a
• Cool fan 1 relay
• Cool fan 2 relay
• Cool fan 3 relay
• Cooling fan (left)
• Cooling fan (right)
• Defogger on
• Defogger system
• Drvr temp ctrl
• E10
• Ect ground
• Ect signal
• Engine controls system
• Engine coolant temperature (ect) sensor
• F12
• Fan off input
• G113 (left front of engine)
• G200 (right side of dash)
• Gnd
• Ground
• High blower fuse 30a
• High blower relay
• High speed
• Hot at all times
• Hot in run
• Hvac control module
• Hvac fuse 10a
• I/p fuse block (behind right side of dash)
• Ign
• Ign main relay (closed in run or start)
• Ignition
• Interior lights
• Interior lights system
• Lamp dim sig
• Left cooling fan diode (3.1l)
• Low blower fuse 20a
• Low reference
• Low speed
• Nca
• Nca nca
• Off
• Pass temp ctrl
• Pos
• Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
• Rdo, hvac, rfa clstr, cel tel fuse 10a
• Right cooling fan diode (3.1l)
• S101
• S102
• S103
• S105
• S121
• S167
• S230
• Tan
• Underhood fuse block (right side of engine compt, mounted to strut tower)

ANTI-LOCK BRAKES

Anti-lock Brake Wiring Diagrams for Buick Regal LS 2002

List of elements for Anti-lock Brake Wiring Diagrams for Buick Regal LS 2002:

• A10
• A11
• Abs fuse 1 60a
• Abs fuse 10a
• Anti-lock fail ind
• B10
• B11
• B12
• Battery
• Body control module (bcm) (behind left side of dash)
• Brake fluid level switch (in brake fluid reservoir)
• Brake ind
• Brake pressure modulator valve
• C10
• C11
• Cluster fuse 10a
• Data link connector (dlc) (under left side of dash)
• Delivered torque
• Desired torque
• Electronic brake control module (ebcm) (at left side of engine compt, near strut tower)
• Electronic power steering system
• G113 (left of starter, on transaxle stud)
• G203 (below dash, right side of steering column)
• Ground
• Hot at all times
• Hot in run or start
• Hot in run, bulb test or start
• I/p fuse block (behind right side of dash)
• Ignition
• Instrument panel cluster
• Interior lights system
• Left front wheel spd (hi)
• Left front wheel spd (lo)
• Left front wheel speed sensor
• Left rear wheel spd (hi)
• Left rear wheel spd (lo)
• Left rear wheel speed sensor
• Low trac ind
• Nca
• Pnk
• Powertrain control module (pcm) (left front side of engine compt)
• Pump motor
• Red
• Regal
• Right front wheel spd (hi)
• Right front wheel spd (lo)
• Right front wheel speed sensor
• Right rear wheel spd (hi)
• Right rear wheel spd (lo)
• Right rear wheel speed sensor
• S205 (i/p harn, right side of steering column)
• S211
• Serial data signal
• Splice pack sp205 (right side of steering column)
• Stop lamp sw out
• Stop lamp switch (on brake pedal support bracket)
• Stop lamps fuse 15a
• Strng var assist motor
• Tan
• Trac off ind
• Traction control switch
• Underhood fuse block (mounted to right strut tower)
• Vent tube

ANTI-THEFT

Anti-theft Wiring Diagram for Buick Regal LS 2002

List of elements for Anti-theft Wiring Diagram for Buick Regal LS 2002:

• B10
• B12
• Batt
• Bcm gnd
• Bcm pwr fuse 10a
• Body control module (behind left side of dash, left of steering column)
• Cluster fuse 10a
• Crank fuse 2 40a
• Crank relay ii
• Crank signal bcm, cluster fuse 10a
• Data link connector (dlc) (under left side of dash, right of steering column)
• F10
• G203 (below dash, right side of steering column)
• Hot at all times
• Hot in off, run or start
• Hot in run or start
• Hot in run, bulb test or start
• Ign
• Ign 0
• Ign 0: cluster pcm & bcm fuse 10a
• Ign key sig
• Ign ref lo
• Ignition switch
• Instrument panel cluster
• Ip fuse block
• K10
• K11
• Key
• Key in
• Key in sig
• Key out
• M10
• M11
• Park/neutral position (pnp) switch (top right rear of transaxle)
• Pass-key enable switch
• Pcm bcm u/h relay fuse 10a
• Pnk
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Resistor pellet
• S211
• S270
• Security indicator
• Serial data
• Splice pack sp205 (below dash, right side of steering column)
• Starter enable
• Starter rly ctrl
• Starter solenoid
• Tan
• Underhood fuse block (mounted to right strut tower)

BODY COMPUTER

Body Computer Wiring Diagrams for Buick Regal LS 2002

List of elements for Body Computer Wiring Diagrams for Buick Regal LS 2002:

• (2 door)
• (regal)
• A10
• A11
• A12
• Anti-lock brakes system
• Anti-theft system
• B10
• B11
• B12
• Bcm acc fuse 10a
• Bcm power fuse 10a
• Body control module (bcm) (behind left side of dash, left of steering column)
• Computer data lines system
• Courtesy lamp low ctrl
• Courtesy lamp sw out
• Crank, signal, bcm, cluster fuse 10a
• Door lock switch, driver
• Door lock switch, front passenger
• Door locks fuse 20a
• Driver door ajar sw sig
• Driver seat belt sw input
• Drl mod output-park brake
• Drl photocell ret
• Drl photocell sig
• Exterior lights system
• Fog lamp sw out
• Fuse block, underhood
• Fuse output-acc/run/crank
• Fuse output-accessory
• Fuse output-bat
• Fuse output-crank
• Fuse output-ignition 1
• G201 (below dash, left of steering column)
• G203 (below dash, right of steering column)
• G301 (left front door sill)
• Grd
• Headlamp sw output
• Headlamp sw sig
• Headlights system
• Horn relay output
• Horns system
• Hot at all times
• Hot in acc or run
• Hot in off, run or start
• Hot in run or start
• I/p block block
• I/p fuse block
• Ign 0, cluster, pcm & bcm fuse 10a
• Ignition key alarm switch
• Ignition key resistor lo ref
• Ignition key resistor sig
• Inadv power bus fuse 15a
• Interior lights system
• Key reminder sw sig
• Lf turn sig lamp feed
• Lf turn sig sw output
• Lock
• Low tire press reset sw sig
• Nca
• Park brake switch (on parking brake assembly)
• Park lamp sw sig-off
• Park lamp sw sig-on
• Pcm, bcm u/h relay fuse 10a
• Pnk
• Power distribution system
• Power distribution system (rap)
• Pwr dr lk mtr feed
• Pwr dr lock sw out
• Pwr dr lock sw output
• Rap relay ctrl
• Remote keyless entry circuit
• Rf turn sig lamp feed
• Rf turn sig sw output
• Right ft door open sw sig
• S211
• S234
• S269
• S270
• S283
• S303
• S330
• S504
• S604
• Seat belt switch (part of driver's seat belt asembly)
• Serial data sig
• Serial data signal class 2
• Tan
• Tire reset switch
• Traction ctrl sig sw
• Trunk ajar sw sig
• Trunk lid release sw sig
• Trunk release rly feed
• Trunk, tailgate, fuel doors system
• Unlock

COMPUTER DATA LINES

Computer Data Lines for Buick Regal LS 2002

List of elements for Computer Data Lines for Buick Regal LS 2002:

• Body control module (bcm) (behind left side of dash, left of steering column)
• D12
• Data clss 2
• Data link connector (dlc) (under left side of dash, right of steering column)
• E & c ser data
• E & c ser data c2
• E1 e & c ser data
• Electronic brake control module (ebcm) (at left side of engine compt, near strut tower)
• G200 (behind right side of glove box)
• G203 (below dash, right side of steering column)
• Hot at all times
• Hvac control module
• I/p fuse block (behind right side of dash, in right door opening)
• Inflatable restraint sensing & diagnostic module (sdm) (below carpet, under right front seat)
• Instrument cluster
• Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
• Radio
• Radio, hvac, rfa, cluster, data link fuse 15a
• S202
• S211
• S230
• Splice pack sp205 (below dash, right of steering column)
• Vehicle communications interface module

COOLING FAN

Cooling Fan Wiring Diagram for Buick Regal LS 2002

List of elements for Cooling Fan Wiring Diagram for Buick Regal LS 2002:

• (cool fan jumper harn, 19cm from right conn to cooling fan motor)
• (cooling fan jumper harn, 19cm from right conn to cooling fan motor) s104
• (cooling fan jumper harn, 20cm from left conn to cooling fan motor)
• (engine harn, 4 cm from fan jumper breakout)
• (fuel inj harn, near breakout to map sensor)
• 3.1l
• 3.8l
• A10
• A11
• C11
• Cool fan 1 fuse 15a
• Cool fan 2 fuse 15a
• Cool fan 1 relay
• Cool fan 2 relay
• Cool fan 3 relay
• Coolant fan (left)
• Coolant fan (right)
• E10
• Ect sig
• Engine controls (map sensor)
• Engine coolant temperature (ect) sensor (top left side of engine, below throttle body)
• F12
• G110 (left front of engine)
• High spd
• Hot at all times
• Left cooling fan diode (3.1l)
• Low spd
• Nca
• Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly)
• Right cooling fan diode (3.1l)
• S101
• S102
• S103
• S105
• S121
• Underhood fuse block (right side of engine compt, mounted to strut tower)

CRUISE CONTROL

Cruise Control Wiring Diagram for Buick Regal LS 2002

List of elements for Cruise Control Wiring Diagram for Buick Regal LS 2002:

• (front of left strut tower)
• All times
• Brake signal input
• Cruise control module
• Cruise control release switch (left side of dash)
• Cruise control switch
• Cruise fuse 10a
• Cruise on/off
• Disable input
• Disable output
• Engage input
• Engaged output
• Exterior lights system
• G201 (below dash, left of steering column)
• Ground
• Hot at
• Hot in run
• I/p fuse block (behind right side of dash)
• Ignition
• Instrument cluster system
• Off
• Powertrain control module (pcm) (front left side of engine compt)
• R/a
• Release signal
• Resume/accel
• S205 (i/p harness, near steering column)
• S240
• S283
• S295 (behind ashtray)
• Set sw
• Set/coast
• Stop lamps fuse 15a
• Stoplight switch (brake pedal support bracket)
• Vehicle speed input
• Vehicle speed sensor (vss) (lower right of engine, compt, on transaxle)
• Vss high
• Vss low
• Vss output

DEFOGGERS

Defogger Wiring Diagram for Buick Regal LS 2002

List of elements for Defogger Wiring Diagram for Buick Regal LS 2002:

• (behind the right side of glove box)
• (left front door sill) g301
• (left side of rear shelf) g401
• (man a/c)
• C1 (auto a/c) c2
• D nca
• D15 d
• Driver outside rearview mirror
• G200
• Heated mirror fuse 10a
• Hot at all times
• Hot in run
• Hvac control module
• Hvac fuse 10a
• I/p fuse block
• Mirror defogger
• Nca
• On ind
• On/off momentary defogger switch
• Passenger outside rearview mirror
• Radio noise suppressor (in right "c" pillar)
• Rear defog circuit breaker 30a
• Rear window defogger
• Rear window defogger relay (behind glove box, mounted to underside of cross-car beam)
• S230
• S233
• S268 (i/p harn, near blwr motor) nca
• S504
• S604
• Solid state timer
• Under driver's seat)

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Buick Regal LS 2002

List of elements for Electronic Power Steering Wiring Diagram for Buick Regal LS 2002:

• A11
• A9 c1
• Abs fuse 1 60a
• Abs fuse 10a
• B10
• B11
• Bat
• Computer data lines system
• Data link connector (dlc) (under left side of dash)
• Electronic brake control module (ebcm) (at left side of engine compt, near strut tower)
• Engine controls system
• G113 (left of starter, on transaxle stud)
• Ground
• Hot at all times
• Hot in run or start
• I/p fuse block (behind right side of dash)
• Ignition
• Magnasteer actuator (top left of steering rack)
• Msva high
• Msva lo
• Nca
• Pnk
• Red
• Serial data
• Splice pack sp205
• Underhood fuse block (right front strut tower)

ENGINE PERFORMANCE

3.8L

3.8L VIN 1, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal LS 2002

List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal LS 2002:

• (ign harn, top of eng, near ign control module)
• (not used)
• (on trans- axle stud)
• (on transaxle stud)
• (pin 11 not used)
• (pin 14-15 not used)
• (pin 21 & 23-27 not used)
• (pin 40-42 not used)
• (pin 49-52 not used)
• (pin 66-67 not used)
• 1-2 ss valve control
• 18x ref signal
• 2-3 ss valve control
• 3x ref signal
• 5 volt ref
• A/t iss sensor high
• A/t iss sensor low
• Air solenoid relay
• Camshaft position sensor (cmp) (front of eng, above crankshaft pulley)
• Cmp signal
• Cooling fans system
• Crankshaft position sensor (ckp) (front of eng, behind harmonic balancer)
• Cruise control system
• Cruise disable output
• Data link connector (dlc) (under left side of dash, right of steering column)
• Ecm fuse 22 10a
• Ect sensor signal
• Egr val control (gnd)
• Elek ign fuse 25 15a
• Eng emis fuse 30 10a
• Evap purge val control
• F/injr fuse 28 15a
• Fuel inj 1 control
• Fuel inj 2 control
• Fuel inj 4 control
• Fuel inj 5 control
• Fuel inj 6 control
• G113
• High speed fans control
• Hos1 low
• Hos2 low
• Hot at all times
• Hot in off, run bulb test, or start
• Hot in run, bulb test or start
• I/p fuse block (behind right side of dash, in right door opening)
• Iac coil b high
• Iat sensor ground
• Ic control
• Ign 0 fuse 10a
• Ignition control
• Ignition control module (icm) (top front of eng)
• Ignition wake up power
• Knock sensor bank 1 (left side of eng, in front of starter)
• Knock sensor bank 2 (right side of eng, below exhaust manifold)
• Knock sensor signal 1
• Knock sensor signal 2
• Low speed fans control
• Maf sensor signal
• Map sensor signal
• Pcm ground
• Pnk
• Pnk p
• Power (battery)
• Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly)
• Ref low
• S106
• S144
• S145
• S270
• Sensor grd
• Sensor ground
• Serial data (class 2)
• Spark plugs
• Splice pack sp205
• Tan
• Tcc brake switch input
• Tp sensor signal
• Tr switch input b
• Trans fluid press sw a
• Underhood fuse block (mounted to right strut tower)
• Vss high
• Vss low
• Vss output

3.8L VIN 1, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal LS 2002

List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal LS 2002:

• (on transaxle stud)
• Air pump fuse 20 30a
• Air pump relay
• C10
• D10
• E10
• Eng emis fuse 30 10a
• Evaporative emissions (evap) canister purge solenoid valve (top left side of eng, near center of valve cover)
• Evaporative emissions (evap) canister vent solenoid valve (behind left side of rear fascia splash shield, in wheelwell)
• Fuel injectors
• G101 (left side of front end upper tie bar)
• G113
• G113 (on transaxle stud)
• Hot at all times
• Hot in run and start
• Nca
• Pnk
• Red
• S105
• S106
• S109
• Secondary air injection (air) pump motor
• Secondary injection solenoid
• Stoplight switch (on brake pedal support bracket)
• Tan
• Transaxle range switch (on top right rear of transaxle)
• Underhood fuse block (mounted to right strut tower)
• Vehicle speed sensor (vss) (lower right side of eng compt, on transaxle)

3.8L VIN 1, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal LS 2002

List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal LS 2002:

• (body harn, under rear seat)
• (eng harn, near 4 cm from pcm breakout)
• (in exhaust system, rear of catalytic converter) heated oxygen sensor 2 (ho2s 2)
• (in right side exhaust manifold) heated oxygen sensor 1 (ho2s 1)
• (on bottom of engine oil pan) engine oil level indicator switch
• (on throttle body assembly) idle air control (iac) valve
• (on transaxle stud)
• (top rear of eng, part of throttle body assembly) mass airflow (maf) sensor
• A tan
• A/c refrigerant pressure sensor (on left side of eng compt, on accumulator)
• B12
• D pnk
• Engine coolant temperature (ect) sensor (top left side of eng, below throttle body)
• Engine oil pressure indicator switch (lower right side of eng, above transaxle)
• Exhaust gas recirculation (egr) valve (top rear of eng, near throttle body)
• Fuel tank pressure sensor (in fuel tank)
• G113
• Hot in run, bulb test or start
• Instrument cluster
• Intake air temperature (iat) sensor (left front of eng compt, in air cleaner duct)
• Malfunction indicator lamp
• Manifold absolute pressure (map) sensor (top of engine, on front of intake manifold)
• Nca
• Oxy sen fuse 29 15a
• Pnk
• S105
• S167
• S409
• Supercharger boost control solenoid (vin 1) (top left rear of eng)
• Tan
• Throttle position (tp) sensor (on throttle body assembly)
• Trans fuse 26 10a
• Underhood fuse block (mounted to right strut tower)

3.8L VIN 1, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal LS 2002

List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal LS 2002:

• (fuel pump prime terminal)
• (on transaxle stud)
• (pin 12-15 not used)
• (pin 36-38 not used)
• (pin 40-41 not used)
• (pin 47-48 not used)
• (pin 51-54 not used)
• (pin 6 & 8 not used)
• (pin 62 & 64-65 not used)
• (pin 70-74 not used)
• (right side of rear shelf)
• 1-2 shift solenoid
• 2-3 shift solenoid
• 5v ref a
• A/c compress clutch rly
• A/c refrig press signal
• A/c request signal
• A/t iss solenoid
• A11
• Air conditioning system
• Air pump relay
• Auto transaxle fluid temperature sensor
• Automatic transaxle fluid pressure manual valve position switch
• Boost ctrl sol ctrl
• Cluster fuse 10a
• Crank
• Crank signal fuse 10a
• Cruise control system
• Cruise engaged input
• D10
• Ect sensor signal
• Egr pintle position signal
• Egr val ign positive volt
• Eng oil level ind in
• Eng oil press sensor sig
• Evap can vent sol
• F/pmp fuse 35 15a
• F/pmp spd cont relay (vin 1 w/ fog lights)
• F/pump relay
• Fuel inj 3 control
• Fuel level sensor
• Fuel level sensor input
• Fuel pump
• Fuel pump relay control
• Fuel tank
• Fuel tank press signal
• G113
• G402
• Gen terminal f output
• Gen terminal l output
• Ho2s 1 signal
• Ho2s 2 signal
• Hot at all times
• Hot in run, bulb test, or start
• Hot in start
• I/p fuse block (behind right side of dash, in right door opening)
• Iac coil a high
• Iac coil a low
• Iac coil b low
• Iat sensor signal
• Ignition positive volt (2)
• Map sensor signal
• Mil control
• Pc sol valve high
• Pc sol valve low
• Pcm,bcm ign relay fuse 10a
• Pnk
• Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly)
• Ps solenoid
• Red
• S106
• S234
• Sensor ground
• Starter enable control
• Starting/ charging system
• Tan
• Tan b
• Tcc release switch input
• Tcc sol valve control
• Tcc solenoid
• Tft sensor signal
• Tp sens or signal
• Tr switch input a
• Tr switch input c
• Tr switch input d
• Trans fluid press sw b
• Transaxle
• Underhood accessory fuse block (mounted to right strut tower)
• Underhood fuse block (mounted to right strut tower)

3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal LS 2002

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal LS 2002:

• (ign harn, top of eng, near ign control module)
• (not used)
• (on trans- axle stud)
• (on transaxle stud)
• (pin 11 not used)
• (pin 14-15 not used)
• (pin 21 & 23-27 not used)
• (pin 40-42 not used)
• (pin 49-52 not used)
• (pin 66-67 not used)
• 1-2 ss valve control
• 18x ref signal
• 2-3 ss valve control
• 3x ref signal
• 5 volt ref
• A/t iss sensor high
• A/t iss sensor low
• Air solenoid relay
• Camshaft position sensor (cmp) (front of eng, above crankshaft pulley)
• Cmp signal
• Cooling fans system
• Crankshaft position sensor (ckp) (front of eng, behind harmonic balancer)
• Cruise control system
• Cruise disable output
• Data link connector (dlc) (under left side of dash, right of steering column)
• Ecm fuse 22 10a
• Ect sensor signal
• Egr val control (gnd)
• Elek ign fuse 25 15a
• Eng emis fuse 30 10a
• Evap purge val control
• F/injr fuse 28 15a
• Fuel inj 1 control
• Fuel inj 2 control
• Fuel inj 4 control
• Fuel inj 5 control
• Fuel inj 6 control
• G113
• High speed fans control
• Hos1 low
• Hos2 low
• Hot at all times
• Hot in off, run bulb test, or start
• Hot in run, bulb test or start
• I/p fuse block (behind right side of dash, in right door opening)
• Iac coil b high
• Iat sensor ground
• Ic control
• Ign 0 fuse 10a
• Ignition control
• Ignition control module (icm) (top front of eng)
• Ignition wake up power
• Knock sensor bank 1 (left side of eng, in front of starter)
• Knock sensor bank 2 (right side of eng, below exhaust manifold)
• Knock sensor signal 1
• Knock sensor signal 2
• Low speed fans control
• Maf sensor signal
• Map sensor signal
• Pcm ground
• Pnk
• Pnk p
• Power (battery)
• Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly)
• Ref low
• S106
• S144
• S145
• S270
• Sensor grd
• Sensor ground
• Serial data (class 2)
• Spark plugs
• Splice pack sp205
• Tan
• Tcc brake switch input
• Tp sensor signal
• Tr switch input b
• Trans fluid press sw a
• Underhood fuse block (mounted to right strut tower)
• Vss high
• Vss low
• Vss output

3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal LS 2002

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal LS 2002:

• (on transaxle stud)
• Air pump fuse 20 30a
• Air pump relay
• C10
• D10
• E10
• Eng emis fuse 30 10a
• Evaporative emissions (evap) canister purge solenoid valve (top left side of eng, near center of valve cover)
• Evaporative emissions (evap) canister vent solenoid valve (behind left side of rear fascia splash shield, in wheelwell)
• Fuel injectors
• G101 (left side of front end upper tie bar)
• G113
• G113 (on transaxle stud)
• Hot at all times
• Hot in run and start
• Nca
• Pnk
• Red
• S105
• S106
• S109
• Secondary air injection (air) pump motor
• Secondary injection solenoid
• Stoplight switch (on brake pedal support bracket)
• Tan
• Transaxle range switch (on top right rear of transaxle)
• Underhood fuse block (mounted to right strut tower)
• Vehicle speed sensor (vss) (lower right side of eng compt, on transaxle)

3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal LS 2002

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal LS 2002:

• (body harn, under rear seat)
• (eng harn, near 4 cm from pcm breakout)
• (in exhaust system, rear of catalytic converter) heated oxygen sensor 2 (ho2s 2)
• (in right side exhaust manifold) heated oxygen sensor 1 (ho2s 1)
• (on bottom of engine oil pan) engine oil level indicator switch
• (on throttle body assembly) idle air control (iac) valve
• (on transaxle stud)
• (top rear of eng, part of throttle body assembly) mass airflow (maf) sensor
• A tan
• A/c refrigerant pressure sensor (on left side of eng compt, on accumulator)
• B12
• D pnk
• Engine coolant temperature (ect) sensor (top left side of eng, below throttle body)
• Engine oil pressure indicator switch (lower right side of eng, above transaxle)
• Exhaust gas recirculation (egr) valve (top rear of eng, near throttle body)
• Fuel tank pressure sensor (in fuel tank)
• G113
• Hot in run, bulb test or start
• Instrument cluster
• Intake air temperature (iat) sensor (left front of eng compt, in air cleaner duct)
• Malfunction indicator lamp
• Manifold absolute pressure (map) sensor (top of engine, on front of intake manifold)
• Nca
• Oxy sen fuse 29 15a
• Pnk
• S105
• S167
• S409
• Supercharger boost control solenoid (vin 1) (top left rear of eng)
• Tan
• Throttle position (tp) sensor (on throttle body assembly)
• Trans fuse 26 10a
• Underhood fuse block (mounted to right strut tower)

3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal LS 2002

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal LS 2002:

• (fuel pump prime terminal)
• (on transaxle stud)
• (pin 12-15 not used)
• (pin 36-38 not used)
• (pin 40-41 not used)
• (pin 47-48 not used)
• (pin 51-54 not used)
• (pin 6 & 8 not used)
• (pin 62 & 64-65 not used)
• (pin 70-74 not used)
• (right side of rear shelf)
• 1-2 shift solenoid
• 2-3 shift solenoid
• 5v ref a
• A/c compress clutch rly
• A/c refrig press signal
• A/c request signal
• A/t iss solenoid
• A11
• Air conditioning system
• Air pump relay
• Auto transaxle fluid temperature sensor
• Automatic transaxle fluid pressure manual valve position switch
• Boost ctrl sol ctrl
• Cluster fuse 10a
• Crank
• Crank signal fuse 10a
• Cruise control system
• Cruise engaged input
• D10
• Ect sensor signal
• Egr pintle position signal
• Egr val ign positive volt
• Eng oil level ind in
• Eng oil press sensor sig
• Evap can vent sol
• F/pmp fuse 35 15a
• F/pmp spd cont relay (vin 1 w/ fog lights)
• F/pump relay
• Fuel inj 3 control
• Fuel level sensor
• Fuel level sensor input
• Fuel pump
• Fuel pump relay control
• Fuel tank
• Fuel tank press signal
• G113
• G402
• Gen terminal f output
• Gen terminal l output
• Ho2s 1 signal
• Ho2s 2 signal
• Hot at all times
• Hot in run, bulb test, or start
• Hot in start
• I/p fuse block (behind right side of dash, in right door opening)
• Iac coil a high
• Iac coil a low
• Iac coil b low
• Iat sensor signal
• Ignition positive volt (2)
• Map sensor signal
• Mil control
• Pc sol valve high
• Pc sol valve low
• Pcm,bcm ign relay fuse 10a
• Pnk
• Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly)
• Ps solenoid
• Red
• S106
• S234
• Sensor ground
• Starter enable control
• Starting/ charging system
• Tan
• Tan b
• Tcc release switch input
• Tcc sol valve control
• Tcc solenoid
• Tft sensor signal
• Tp sens or signal
• Tr switch input a
• Tr switch input c
• Tr switch input d
• Trans fluid press sw b
• Transaxle
• Underhood accessory fuse block (mounted to right strut tower)
• Underhood fuse block (mounted to right strut tower)

EXTERIOR LIGHTS

Backup Lamps Wiring Diagram for Buick Regal LS 2002

List of elements for Backup Lamps Wiring Diagram for Buick Regal LS 2002:

• (body harness, under left rear seat) s424
• A12 c2
• B1 c2
• Back-up lamp relay (behind left side of dash)
• Body control module (bcm) (behind left side of dash)
• G402 (right side of rear shelf)
• Hot at all times
• Left back-up lamp
• Mirrors system (automatic day/night mirror)
• R/cmpt rel fuse 7.5a
• Right back-up lamp
• S905 (rear compt harness, center of trunk lid)
• S915
• Underhood fuse block (mounted to right strut tower)
• W/ automatic day/night mirror

Exterior Lamps Wiring Diagram for Buick Regal LS 2002

List of elements for Exterior Lamps Wiring Diagram for Buick Regal LS 2002:

• (below dash, left side of steering column) g201
• (chmsl harn, center of rear window trim panel, 12 cm from chmsl breakout) s417
• (i/p harn, right of steering column)
• (right side of rear shelf)
• A c1
• A10
• A11
• A12
• A12 c3
• A13
• A14
• A15
• Ambient light sensor (top right side of dash, at base of windshield)
• B c1
• Body control module (bcm) (behind left side of dash, left of steering column)
• C2 f12
• C2 f8
• Center high mounted stoplamp (chmsl)
• Corn- ering lamp
• Cornering lamp
• D12
• Drl ambient light ground ref
• Drl ambient light signal
• E10
• E11
• E12
• E13
• Exterior lamp off input
• F11
• Frt park lps fuse 10a
• G side marker lamp
• G101 (left front side of radiator support)
• G201 (below dash, left side of steering column)
• G401 (left side of rear shelf)
• G402
• G402 (right side of rear shelf)
• Hazard
• Hazard lamps fuse 15a
• Headlamp control
• Headlamp relay (behind glove box, mounted to underside of cross-car beam)
• Headlamp switch
• Headlamp switch input
• Hot at all times
• Hot in run, bulb test or start
• I/p fuse block
• I/p fuse block (behind right side of dash)
• Instrument panel cluster (ipc)
• Left
• Left head- lamp assembly
• Left rear marker lamp
• Left rear park lamps
• Left tail/ turn signal/ stop- lamp
• Left turn indicator
• Left turn signal
• Lp park fuse 20a
• Marker lamp
• Nca
• Normal
• Off
• Park
• Park lamp relay (behind right side of dash)
• Park lamp relay control
• Park/ turn signal lamp
• Pnk
• Power distribution
• Rear license lamps
• Right
• Right head- lamp assembly
• Right rear marker lamp
• Right rear park lamps
• Right side of steering column, 5 cm from ground breakout) s291
• Right tail/ turn signal/ stop- lamp
• Right turn indicator
• Right turn signal
• S124
• S205 (dash harness, near steering column)
• S221
• S267
• S283
• S403
• S406
• S408
• S416
• Side g
• Stop fuse 15a
• Stoplight switch (on brake pedal support bracket)
• Tail lamps, lic lamps fuse 15a
• Turn signal
• Turn signal/ hazard flasher module (below left side of dash)
• Turn signal/multifunction switch
• Turn signals, corn lps fuse 10a
• Underhood fuse block
• Underhood fuse block (mounted to right strut tower)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 2) for Buick Regal LS 2002

List of elements for Ground Distribution Wiring Diagram (1 of 2) for Buick Regal LS 2002:

• (century)
• (cj2)
• (cj3)
• (engine harness, 4 cm from engine coolant fan jumper connector breakout)
• (forward lamp harn, below left headlamp, 7 cm from left headlamp breakout)
• (front console harn, in console 7 cm from accessory power receptacle breakout)
• (regal)
• A/c clu diode
• A/c compressor clutch
• A18
• Ashtray lamp (century)
• Auxiliary power outlet (century)
• Auxiliary power outlet (regal)
• Battery
• Blower motor control processor
• Blower motor resistor assembly
• C11
• C206
• Cigar lighter (century)
• Cigar lighter (regal)
• Cj2
• Cj3
• Cool fan 2 relay
• Data link connector (dlc)
• Electronic brake control module
• Engine coolant level switch
• Engine oil level sensor
• Engine oil pressure switch
• F/pump relay
• Fuse block-underhood
• G100 (right side of eng compt, at base of battery)
• G101 (left front side of radiator support)
• G111 (right side of engine, on ignition control module bracket)
• G113 (left of starter, on trans- axle stud)
• G113 (left of starter, on transaxle stud)
• G200 (behind right side of dash)
• Heated oxygen sensor 1
• Heated oxygen sensor 2
• Horns
• Hvac control module
• I/p compartment lamp switch
• Ign main relay
• Ignition control module (icm)
• Inflatable restraint sensing & diagnostic module
• Inflatable restraint steering wheel module coil
• Left air temperature actuator
• Left cornering lamp
• Left fog lamp (regal)
• Left headlamp
• Left park/ turn signal lamp
• Left side marker lamp
• Left steering wheel controls
• Mass airflow (maf) sensor
• Nca
• Park/ neutral position switch
• Power drop connector
• Powertrain control module (pcm)
• Prndl lamp (regal)
• Red
• Regal
• Right air temperature actuator
• Right cooling fan
• Right cornering lamp
• Right fog lamp (regal)
• Right headlamp
• Right park/ turn signal lamp
• Right side marker lamp
• Right steering wheel controls
• S105
• S106 (eng harn, 7 cm from pcm breakout)
• S124
• S334
• S335
• Secondary air injection (air) pump
• Steering column electric park lock (regal)
• Vin k
• Windshield washer fluid level switch
• Windshield washer fluid pump

Ground Distribution Wiring Diagram (2 of 2) for Buick Regal LS 2002

List of elements for Ground Distribution Wiring Diagram (2 of 2) for Buick Regal LS 2002:

• (31 cm from left sunshade mirror breakout)
• (back-up lamp harness, in rear compt lid)
• (body harness, right side of trunk)
• (left tail lamp harn)
• (right side of rear shelf) g402
• A12
• Audio amplifier (w/ amp)
• Below driver's seat) s303
• Body control module (bcm)
• Brake fluid level switch
• Breakout)
• C201
• Center high mounted stop lamps
• Cruise control module
• Data link connector (dlc)
• Driver information display switch (regal)
• Driver seat adjuster switch
• Driver seat belt switch
• Driver seat heater control module
• Driver seat heater switch
• Driver window master switch
• Driver's heated seat back element
• Driver's heated seat thermister
• E16
• Enhanced sound w/ gps
• Enhanced sound w/o gps
• Fog lamp switch (regal)
• Fuel pump
• G201 (below dash, left side of steering column)
• G203 (below dash, right side of steering column)
• G301 (left front door sill)
• G401 (left side of rear shelf)
• G402 (right side of rear shelf)
• Ground (on steering column)
• Harn, 5 cm from s383
• Headlamp dimmer switch
• Headlamp relay
• Headlamp switch
• Headlamp switch breakout)
• Ignition key alarm switch
• In rear compt lid) s905
• Inside rearview mirror
• Instrument panel cluster (ipc)
• Left back-up lamp
• Left front door lock
• Left front door lock switch
• Left license lamp
• Left outside rearview mirror
• Left rear door lock (ajar indicator switch)
• Left rear park lamp
• Left rear side marker lamp
• Left roof rail courtesy/ reading lamp
• Left tail/ stop/turn signal lamp
• Left vanity mirror lamp
• Nca
• Outside remote control rearview mirror switch
• Passenger seat adjuster switch
• Passenger seat heater control module
• Passenger seat heater switch
• Passenger's heated seat back element
• Passenger's heated seat thermistor
• Radio
• Radio antenna module
• Radio noise suppressor
• Rear compartment lid ajar switch
• Rear compartment lid lock release actuator
• Rear compartment lid release switch
• Rear compartment occupant sensor
• Rear window defogger grid
• Remote control door lock receiver
• Right back-up lamp
• Right front door lock (ajar indicator switch)
• Right front door lock switch
• Right front window switch
• Right license lamp
• Right outside rearview mirror
• Right rear door lock (ajar indicator switch)
• Right rear park lamp
• Right rear side marker lamp
• Right roof rail courtesy/ reading lamp
• Right tail/ stop/turn signal lamp
• Right vanity mirror lamp
• S211 (i/p harness, 20 cm from inst cluster breakout)
• S330 (driver's seat harn, below driver's seat)
• S333 (pass seat harn, under pass seat)
• S402 (right tail lamp harness)
• S403
• S414
• S604 (right front door harness, 8 cm from window switch breakout)
• Sunroof module
• Tan
• Tire reset switch
• Traction control switch (regal)
• Turn signal/ hazard flasher module
• Vehicle communications interface module
• W/ heated seats
• W/o heated seats
• Wind- shield wiper motor

HEADLIGHTS

Headlight Wiring Diagram for Buick Regal LS 2002

List of elements for Headlight Wiring Diagram for Buick Regal LS 2002:

• A10
• A11
• Ambient light sensor (top right side of dash)
• B7 pnk
• Body control module (bcm) (behind left side of dash)
• D11
• F10
• F2 c3
• Fog lamp relay
• Fog lamp switch
• Fog lp cntrl
• Fog lp fuse 10a
• G101 (front left side of radiator support)
• G201 (below dash, left side of steering column)
• Hdlp l fuse 15a
• Hdlp r fuse 15a
• Head
• Headlamp cntrl
• Headlamp dimmer switch
• Headlamp relay (behind glove box)
• Headlamp sw input
• Headlamp switch
• High
• High beam
• High beam indicator
• Hot at all times
• I/p fuse block (behind right side of dash)
• Illum
• Instrument panel cluster
• Interior lights system
• Left fog lamp
• Left headlamp
• Light sens grd ref
• Light sensor sig
• Low
• Low beam
• Lp park fuse 20a
• Off
• Park
• Park brake switch
• Park brk sw in
• Pnk
• Power distribution system
• Radio,hvac,rfa, cluster cel tel fuse 15a
• Right fog lamp
• Right headlamp
• S124
• S202
• S221 (i/p harn, right side of steering column, approx 17cm from dlc breakout)
• S283
• Tan
• Underhood fuse block (mounted to right strut tower)

HORN

Horn Wiring Diagram for Buick Regal LS 2002

List of elements for Horn Wiring Diagram for Buick Regal LS 2002:

• (century/regal)
• (century/regal) (intrigue)
• (century/regal: below dash, right side of steering column)
• (intrigue)
• (intrigue) v (century/regal) a17
• (intrigue: right side of dash)
• (steering column)
• Body control module (left of steering column)
• C201
• C8 c3
• Century/regal
• G101 (intrigue: left side of front end upper tie bar) (century/regal: left side of radiator support)
• G203 g200
• High note horn
• Horn fuse 15a
• Horn output
• Horn relay
• Horn switch
• Horns (behind right front fascia)
• Hot at all times
• Inflatable restraint steering wheel module
• Intrigue
• Low note horn
• Red intrigue
• S124 s123
• S211 s230
• Slip ring
• Spring
• Steering column
• Underhood accessory wiring junction block (mounted on right strut tower)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Buick Regal LS 2002

List of elements for Instrument Cluster Wiring Diagram for Buick Regal LS 2002:

• (below dash, left side of steering column) g201
• (below dash, right side of steering column)
• (left front side of radiator support)
• (mounted to right front strut tower) underhood fuse block
• A10
• A11
• A12
• Air bag ind
• Antilock ind
• B10
• B11
• B12
• Battery
• Bcm class2 serial data
• Bcm or ipc serial data
• Body control module (behind left side of dash, left of steering column)
• Brake fluid
• Brake fluid level switch (in brake fluid reservoir)
• Brake ind
• C11
• Change oil ind
• Charge ind
• Cluster fuse 10a
• Cluster logic
• Coolant level switch (mounted on right side of radiator)
• Coolant temp ind
• Coolant temper- ature gauge
• Crank
• Crank signal, bcm, cluster fuse 10a
• Cruise control system
• Cruise ind
• D12
• Data link connector (under left side of dash, right of steering column)
• Dic e/m
• Dic mode
• Dic reset
• Door/trunk ajar ind
• Driver information display switch (regal only)
• E/m
• E11
• Ebcm class2 serial data
• Electronic brake control module (ebcm) (at left side of engine compartment, near strut tower)
• Engine controls system
• Exterior lights system
• Fuel gauge
• G101
• G200 (behind right side of dash)
• G203
• G203 (below dash, right side of steering column)
• Gnd
• Ground
• Headlights system
• High beam ind
• Hot at all times
• Hot in off, run or start
• Hot in run, bulb test or start
• Hot in start
• Hvac control module
• I/p fuse block
• Ign
• Ign 01, bcm & pcm, cluster fuse 10a
• Ignition voltage
• Igntion 1
• Illumination (5 bulbs)
• Inflatable restraint sensing & diagnostic module (sdm) (below carpet, under right front seat)
• Instrument cluster
• Interior lights system
• Left turn ind
• Left turn signal
• Low coolant
• Low coolant ind
• Low fuel ind
• Low oil ind
• Low oil pressure ind
• Low tire ind
• Low trac ind
• Low washer ind
• Mal- function indcator lamp (mil) (service engine soon)
• Mode
• Pcm class 2 serial data
• Pcm class2 serial data
• Pcm, abs bcm & cluster logic serial data
• Perf shift ind
• Pk lps
• Pnk
• Powertrain control module (left front side of engine compt, in air cleaner assy)
• Radio, hvac, rfa, cluster, cel tel fuse 15a
• Reset
• Right turn ind
• Right turn signal
• S124
• S202
• S211
• S230
• S234
• S270
• S283
• S295 (ashtray jumper harness, inside ashtray)
• Sdm class2 serial data
• Seat belt ind
• Security ind
• Serial data
• Service vehicle soon ind
• Speed sensor
• Speedo- meter gauge
• Splice pack (sp205) (below dash, right of steering column)
• Srl data
• Tacho- meter gauge
• Trac off ind
• Trip reset input
• Trip reset switch
• Vehicle speed
• Vf display
• Windshield washer fluid
• Windshield washer fluid level switch (right front of eng compt, in washer fluid reservoir)

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Buick Regal LS 2002

List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Buick Regal LS 2002:

• (body harn, below right front seat) s322
• Body control module (bcm) (behind left side of dash, left of steering column)
• Computer data lines system
• Court lmps feed
• Court lmps on
• Dome
• Door open input
• Driver door lock
• Driver dr open
• Front passenger door lock
• G200 (behind right side of dash)
• G201 (below dash, left side of steering column)
• G301 (left front door sill)
• Headlamp switch
• Hot at all times
• I/p compart- ment lamp switch
• I/p fuse block
• Inadv power bus fuse 15a
• Left courtesy lamp
• Left rear door lock
• Off
• Regal, century custom
• Right courtesy lamp
• Right rear door lock
• S214 (i/p harn, right side of steering column)
• S230
• S283
• S303
• S504
• S604
• Serial data
• Theater dim (grd)
• Theater dim 1

Courtesy Lamps Wiring Diagram (2 of 2) for Buick Regal LS 2002

List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Buick Regal LS 2002:

• (2002) a
• (2002) c
• (2003) a
• (2003) c
• (quarter courtesy & reading lamp harn, approx 35 cm from 8-pin in-line conn, behind right "c" pillar) s386
• (w/ onstar)
• (w/o onstar)
• A1 c3
• Base
• Body computer module (bcm) (behind left side of dash, left of steering column)
• Body control module (behind left side of dash)
• Diode
• Dome lamp
• Except base
• G402 (right side of rear shelf)
• Inside rear view mirror
• Left roof rail courtesy/ reading lamp
• Left vanity mirror lamp
• Nca
• Rear compartment courtesy lamp
• Rear compartment lid ajar switch
• Rear compartment occupant sensor (at left side of rear compt)
• Right roof rail courtesy/ reading lamp
• Right vanity mirror lamp
• S321 (body harn, under right front door pillar)
• S385
• S392 (quarter courtesy & reading lamp harn, approx 5 cm from 8-pin in-line conn, behind right "c" pillar)
• S400 (body wiring harness, approx 4 cm (1.5 in) from rear compartment courtesy lamp breakout)
• S414
• S433 (occupant sensor pigtail used in place of sensor)
• S434 (occupant sensor pigtail used in place of sensor)
• S905
• W/ entrapment protection
• W/o entrapment protection

Instrument Illumination Wiring Diagram for Buick Regal LS 2002

List of elements for Instrument Illumination Wiring Diagram for Buick Regal LS 2002:

• (body harn, below right front seat) s302
• (cj2) c16
• (cj3)
• (i/p harn, right side of dash)
• 2002 regal /century, 2003 regal only
• Ashtray lamp (century)
• Dome
• Driver door lock switch
• Driver master window switch
• Driver seat heater switch
• Electronic traction control switch (regal)
• Fog lamp switch
• Front passenger door lock switch
• Front passenger window switch
• G200 (behind right side of dash)
• G201 (below dash, left side of steering column)
• G203 (below dash, right side of steering column)
• G301 (left front door sill)
• Grd
• Head
• Headlamp switch
• High
• Hot at all times
• Hvac control module
• I/p fuse block
• Illum
• Inflatable restraint steering wheel module coil
• Instrument cluster
• Low
• Lp park fuse 20a
• Off
• Outside rear view mirror switch
• Panel dimming fuse 7.5a
• Park
• Passenger seat heater switch
• Prndl lamp (regal)
• Radio
• Radio control switches
• Red
• S211
• S230
• S241 (i/p harn, below radio)
• S267
• S283
• S303
• S334
• S504
• S506 (left front door harn, in left front door)
• S604
• S606 (right front door harn, in right front door)
• Strg whl cont fuse 2a
• Tail, lic lamps fuse 15a
• Underhood fuse block
• Vf dim dis sig
• Vf dim sig
• W/ heated seats
• W/o heated seats

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Buick Regal LS 2002

List of elements for Power Distribution Wiring Diagram (1 of 3) for Buick Regal LS 2002:

• (body harn, 6.5 cm from rr speaker breakout) s440
• (century)
• (cj3) (cj2)
• (console harn, inside console) s336
• (i/p harness, right side of steering column, approximately 19 cm (8 in) from radio breakout
• (regal)
• 20a
• 60a
• A/c clutch fuse 23 10a
• A/c clutch relay 15
• Abs fuse 1
• Accessory power receptacle
• Air pmp fuse 20 30a
• Air pump relay 14 (regal)
• Audio amplifier (u85)
• B (century) (regal) c
• Back-up lamp relay (regal)
• Batt 1 fuse 7 60a
• Batt 2 fuse 4 60a
• Batt 3 fuse 3 60a
• Battery
• Bcm pwr fuse 10a
• Blower motor control processor
• Blower motor resistor assembly
• Body control module (bcm)
• C2 l c12
• C201
• C206
• Cigar lighter
• Cigar ltr fuse
• Cj2
• Cj3
• Cool fan 1 fuse 6 25a
• Cool fan 1 relay 12
• Cool fan 2 fuse 24 15a
• Cool fan 2 relay 9
• Cool fan 3 relay
• Crank fuse 2 40a
• Crank relay 11
• Data link connector (dlc)
• Door locks fuse 20a
• Driver heated seat control module
• Driver seat adjuster switch
• E10
• E11
• E12
• Ecm fuse 22 10a
• Electronic brake control module (ebcm)
• F/pmp fuse 35 15a
• F/pmp relay 19
• F/pmp spd cont relay 18 (l67 w/ t96)
• Fog lamp relay 17
• Fog lp fuse 31 10a
• From batt 2 fuse 4 (diagram 1 of 3)
• From horn a fuse 27 (diagram 1 of 3)
• Fuse block- i/p
• Fuse block- underhood
• Fuse block: i/p
• Fusible link (10 ga- rust)
• G200 (behind right side of dash)
• Gen fuse 21 10a
• Generator
• Hazard fuse 15a
• Hdlp l fuse 36 15a
• Hdlp r fuse 32 15a
• Headlamp relay
• Headlamp switch
• High blower fuse 30a
• Horn fuse 27 15a
• Horn relay 16
• Hvac control module
• Inadv power bus fuse 15a
• Instrument panel cluster (ipc)
• L heated seat fuse 15a
• Left headlamp
• Lp park fuse 34 20a
• Nca
• Outside rearview mirror switch
• Park lamp relay
• Park/ neutral position switch (century)
• Passenger front heated seat control module
• Passenger front seat adjuster switch
• Power drop connector
• Power mirrors fuse 2a
• Power seat circuit breaker 30a
• Powertrain control module (pcm)
• R heated seat fuse 15a
• R/cmpt rel fuse 33 7.5a
• Radio
• Radio prem sound fuse 15a
• Rdo,hvac rfa,cluster data link fuse 15a
• Rear compartment lid release relay
• Rear defog circuit breaker 30a
• Rear window defogger relay
• Red
• Remote control door lock receiver (rcdlr)
• Right headlamp
• S202
• S264 (dash harn, right side of dash)
• S269 (i/p harness, near blower motor)
• S275
• S335 (regal) (century) s334
• Starter
• Stop lamps fuse 15a
• Stoplamp switch
• To hdlp l fuse 36 (diagram 1 of 3)
• To high blower fuse (diagram 1 of 3)
• To ign 2 fuse 8 (diagram 2 of 3)
• To onstar fuse, diagram (2 of 3)
• To retained accessory power (rap) relay (diagram 2 of 3)
• Turn signal/ hazard flasher module

Power Distribution Wiring Diagram (2 of 3) for Buick Regal LS 2002

List of elements for Power Distribution Wiring Diagram (2 of 3) for Buick Regal LS 2002:

• (body harness, top of floor tunnel between front seats) s323
• (body harness, under left side of rear seat)
• (cj2)
• (cj2) (cj3)
• (i/p harness, near blower motor)
• (i/p harness, near steering column)
• (i/p harness, right side of steering column) s220
• (not used)
• (regal)
• (w/rap)
• A/t shift lock control switch
• A10
• Acc
• B10
• Bcm acc fuse 10a
• Body control module (bcm)
• Body control module (bcm) (below left side of dash)
• C201
• C206
• C5 c (cj3)
• Crank signal, bcm, cluster fuse 10a
• Cruise control module
• Cruise control release switch
• Cruise control switch
• Cruise fuse 10a
• Driver seat heater switch
• From gen d fuse 21 (diagram 1 of 3)
• From ignition switch (diagram 2 of 3)
• From inadv power bus fuse (diagram 1 of 3)
• From r heated seat fuse diagram (1 of 3)
• Fuse block, under- hood c1
• Fuse block- i/p
• Fuse block- underhood
• Fuse- block under- hood
• Heater- a/c control (cj3)
• Hvac control module
• Hvac fuse 10a
• Ign 0,cluster, pcm & bcm fuse 10a
• Ign1 fuse 5 30a
• Ign2 fuse 8 60a
• Ignition switch
• Inflatable restraint steering wheel module coil
• Inside rearview mirror (day-night)
• Instrument panel cluster (ipc)
• Left air temperature actuator
• Left front window switch
• Left radio control switch
• Lock
• Low blower fuse 20a
• Nca
• Off
• Onstar fuse 15a
• Park lock fuse (regal) 10a
• Passenger seat heater switch
• Pnk
• Power drop connector
• Power drop fuse 10a
• Powertrain control module (pcm)
• Pwr windows pwr sunroof circuit breaker 30a
• Radio
• Radio fuse (w/o rap) 2a
• Radio fuse 2a
• Rear compartment occupant sensor
• Rear window defogger relay
• Red
• Retained accessory power (rap) relay
• Right air temperature actuator
• Run
• S234 (i/p harn, right side of steering column)
• S240
• S249
• S263
• S270 (i/p harn, behind right side of dash)
• S410
• Start
• Sunroof module
• To crank signal fuse (diagram 2 of 3)
• To ign main relay 13 (diagram 3 of 3)
• To low blower fuse (diagram 2 of 3)
• To s228 (diagram 3 of 3)
• Trap alert fuse 10a
• Vacuum control assembly (cj2)
• Vehicle communi- cations interface module
• W/ heated seats
• W/ rap
• W/ rearview power mirror
• W/ sun- roof
• W/0 heated seats
• W/o rap
• W/o rearview power mirror
• Wind- shield wiper/ washer switch
• Windshield wiper motor
• Wiper fuse 25a

Power Distribution Wiring Diagram (3 of 3) for Buick Regal LS 2002

List of elements for Power Distribution Wiring Diagram (3 of 3) for Buick Regal LS 2002:

• (3.1l)
• (3.8l)
• (engine harn, top of engine) (3.8l) (injector harn, 2 cm from injector 2 breakout) (3.1l)
• (i/p harness, right side of dash)
• A/c clutch relay 15
• A/t shift control switch (regal)
• A11
• Abs fuse 10a
• Air bag fuse 10a
• Air pump relay 14 (regal vin k)
• Automatic transaxle
• B12
• Body control module (bcm)
• Btsi park lock fuse 10a
• C113
• Cluster fuse 10a
• Coil
• Crank relay
• Electronic brake control module (ebcm)
• Elek ign fuse 25 15a
• Eng emis fuse 30 10a
• Evaporative emissions (evap) canister purge solenoid valve
• Evaporative emissions (evap) canister vent solenoid valve
• F/inj fuse 28 15a
• From ign 1 fuse 5 e (diagram 2 0f 3)
• From ignition switch (diagram 2 of 3)
• Fuel injector
• Fuse block- i/p
• Fuse block- underhood
• G129 (left of starter, on trans- axle stud)
• Heated oxygen sensor 1 (ho2s 1)
• Heated oxygen sensor 1 (ho2s 2)
• Ign main relay 13
• Ignition control module (icm)
• Inflatable restraint sensing & diagnostic module
• Instrument panel cluster (ipc)
• Mass airflow (maf) sensor
• Nca
• Oxy sen fuse 29 15a
• Pcm,bcm u/h relay fuse 10a
• Pnk
• Powertrain control module (pcm)
• Regal vin k
• S106
• S109
• S228
• Secondary air injection bypass valve solenoid
• Stoplamp switch
• Supercharger bypass valve (3.8l)
• Trans fuse 26 10a
• Turn signal hazard flasher module
• Turn signals, corn lps fuse 10a

POWER DOOR LOCKS

Power Door Lock Wiring Diagram for Buick Regal LS 2002

List of elements for Power Door Lock Wiring Diagram for Buick Regal LS 2002:

• (body harn, center floor on left side of tunnel) s315
• (body harness, below right door speaker, 44cm from power door breakout) s314
• All drs lock
• Battery
• Battery (b+)
• Bcm fuse 10a (oldsmobile)
• Bcm pwr fuse 10a (buick)
• Body control module (behind left side of dash, left of steering column)
• Buick
• Door lock fuse 20a
• Dr lock sw in
• Dr unlk sw in
• Driver door lock switch
• Driver dr unlk
• Front passenger door lock switch
• G201 (left side of steering column)
• G203 (right side of steering column)
• G301 (forward of driver's seat)
• Ground
• Hot at all times
• I/p fuse block (behind right of dash in right door opening)
• Interior lights system
• Left front door lock
• Left rear door lock
• Lock
• Oldsmobile
• Pass drs unlk
• Radio, hvac rfa, cluster, data link fuse 15a
• Remote control door lock receiver (left side of dash, on right side of instrument cluster)
• Right front door lock
• Right rear door lock
• S202
• S211
• S269
• S283
• S303
• S504
• Serial data
• Tan
• Trunk lid rel
• Trunk/ tailgate/ fuel doors system
• Unlock

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Buick Regal LS 2002

List of elements for Electrochromic Mirror Wiring Diagram for Buick Regal LS 2002:

• (main body harness, approximately 9 cm from the rear compt courtesy lamp breakout) s424
• (windshield side) ambient sensor
• C1 b
• C1 f6
• C2 a6
• Exterior lights system
• G402 (right side of rear shelf)
• Gnd
• Headlight sensor (mirror side)
• Hot at all times
• Hot in run
• Hvac fuse 10a
• I/p fuse block (behind right side of dash, in right door opening)
• Inside rearview mirror (day-night)
• Interior lights system
• Low ref
• Mirror on
• Nca
• Off
• Outside rearview mirror
• Park/ neutral positon (pnp) switch (on top right rear of transaxle)
• Pnk
• R/cmpt rel fuse 7.5a
• Resets to daytime high reflectivity in reverse
• S233
• S323
• S414
• Signal
• Solid state
• Underhood fuse block (mounted to right strut tower)
• W/ gps
• W/ gps w/o gps
• W/ heated seats
• W/ sunroof
• W/o gps
• W/o heated seats
• W/o sunroof

Power Mirrors Wiring Diagram for Buick Regal LS 2002

List of elements for Power Mirrors Wiring Diagram for Buick Regal LS 2002:

• Day/night mirror system
• Driver outside rearview mirror
• Ecb
• G301 (left front door sill)
• Hot at all times
• I/p fuse block (behind right side of dash, in right door opening)
• Interior lights system
• Left mirror
• Low ref
• Nca
• Outside rearview mirror switch
• Passenger outside rearview mirror
• Pnk
• Power mirrors fuse 2a
• Right mirror
• Right/ left motor
• S504
• Signal
• Up/ down motor

POWER SEATS

6-Way Power Seat Wiring Diagram for Buick Regal LS 2002

List of elements for 6-Way Power Seat Wiring Diagram for Buick Regal LS 2002:

• A nca
• Back
• Down
• Driver seat adjuster motor assembly
• Driver seat adjuster switch
• Entire seat
• For- ward
• Front height
• Front passenger seat adjuster motor assembly
• Front passenger seat adjuster switch
• Front vertical adjuster motor
• G301 (left front door sill)
• Horizontal adjuster motor
• Hot at all times
• I/p fuse block
• Nca
• Nca b
• Nca e
• Nca g
• Power seats circuit breaker 30a
• Rear height
• Rear vertical adjuster motor
• S303
• S326
• S330
• Tan

Heated Seats Wiring Diagram for Buick Regal LS 2002

List of elements for Heated Seats Wiring Diagram for Buick Regal LS 2002:

• Driver heated seat back element
• Driver heated seat control module
• Driver heated seat cushion cover
• Driver heated seat cushion element
• Driver heated seat switch
• Driver heated seat thermistor
• Front passenger heated seat control module
• G301 (left front door sill)
• Ground
• Hot at all times
• Hot in run
• Hvac fuse 10a
• I/p fuse block
• Interior lights system
• Lh heated seat fuse 15a
• Lo/hi input
• Nca
• On input
• Passenger heated seat back element
• Passenger heated seat cushion cover
• Passenger heated seat cushion element
• Passenger heated seat switch
• Passenger heated seat thermistor
• Pnk
• Rh heated seat fuse 15a
• S303
• S323
• S333
• Sensor input

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagrams for Buick Regal LS 2002

List of elements for Power Top/Sunroof Wiring Diagrams for Buick Regal LS 2002:

• (not used)
• Battery
• Close
• G402 (right side of rear shelf)
• Gnd
• Hot in accy, run, & retained accessory power
• I/p fuse block (behind right side of dash, in right door opening)
• Ls1
• Ls2
• Ls3
• Open
• Pos 1
• Pos 2
• Pos 3
• Power windows system
• Pwr windows pwr sun roof circuit breaker 30a
• Red
• S410
• S414
• Sun roof module (center rear of sun roof)
• Sun roof motor (center rear of sun roof module)
• Sun roof switch
• Sunroof limit switch assembly (in sunroof motor transmission

POWER WINDOWS

Power Window Wiring Diagram for Buick Regal LS 2002

List of elements for Power Window Wiring Diagram for Buick Regal LS 2002:

• (body harn, center of vehicle floor)
• Down
• Ecb
• Express
• Express down module
• G301 (left front door sill)
• Hot in acc or run or during rap
• I/p fuse block (behind right side of dash, in right door opening)
• Illumination lamp
• Interior lights system
• Left front
• Left front window motor
• Left front window switch
• Left rear
• Left rear window motor
• Left rear window switch
• Lock out switch
• Pwr windows pwr sunroof circuit breaker 30a
• Right front
• Right front window motor
• Right front window switch
• Right rear
• Right rear window motor
• Right rear window switch
• S303
• S307
• S410
• S504
• S604
• Tan
• Tan e

RADIO

Radio Wiring Diagrams, with Amplifier for Buick Regal LS 2002

List of elements for Radio Wiring Diagrams, with Amplifier for Buick Regal LS 2002:

• (below dash, right side of steering column)
• Am/fm
• Ant in
• Ars
• Audio amplifier (below rear speaker shelf, in trunk)
• Audio out
• Audio sig
• Bare
• Battery
• Computer data lines system
• E & c data
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Front window antenna grid
• Fuse out
• G203
• G203 (below dash, right side of steering column)
• Ground
• Hot at all times
• Hot in acc or run
• I/p fuse block (behind right side of dash, in right door opening)
• Illum
• Inflatable restraint steering wheel control module
• Interior lights system
• Left front midrange speaker
• Left front tweeter speaker
• Left radio control switches
• Left rear speaker
• Lf audio
• Lf spkr
• Lf tweeter
• Lr audio
• Lr feed
• Lr rtn
• Lr spkr
• Mid- range
• Mute
• Nca
• Radio
• Radio antenna module (on rear window header panel)
• Radio fuse 2a
• Radio prem fuse 15a
• Radio pwr
• Radio, hvac, rfa, cel tel, cluster fuse 15a
• Rap pwr
• Rear window antenna grid
• Red
• Rf audio
• Rf feed
• Rf low
• Rf rtn
• Rf spkr
• Rf tweeter
• Right front midrange speaker
• Right front tweeter speaker
• Right radio control switches
• Right rear speaker
• Rr audio
• Rr feed
• Rr rtn
• Rr spkr
• S202
• S418
• S440
• Scan
• Seek dn
• Seek up
• Source
• Strg ctrl
• Sub feed
• Sub rtn
• Sub- woofer
• Tan
• Used not
• Vehicle interface unit (viu) (in rear compt, mounted to left rear wheelhouse)
• Vol dn
• Vol up
• W/ adaptive reception system
• W/o adaptive reception system

Radio Wiring Diagrams, without Amplifier for Buick Regal LS 2002

List of elements for Radio Wiring Diagrams, without Amplifier for Buick Regal LS 2002:

• A c1
• A c2
• Am/fm
• Ant in
• Ars
• B c2
• Battery
• C1 a
• C1 b
• C2 a
• C2 b
• Computer data lines system
• E & c data
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Front window antenna grid
• Fuse out
• G203 (below dash, right side of steering column)
• G203 (below dash, right side of steering column)
• Ground
• Hot at all times
• Hot in acc or run
• I/p fuse block (behind right side of dash, in right door opening)
• Illum
• Inflatable restraint steering wheel control module
• Interior lights system
• Left front door speaker
• Left front tweeter
• Left radio control switches
• Left rear speaker
• Lf spkr
• Lr spkr
• Mute
• Nca
• Not used
• Radio
• Radio antenna module (on rear window header panel)
• Radio fuse 2a
• Radio pwr
• Radio, hvac, rfa, cel tel, cluster fuse 15a
• Rap pwr
• Rear window antenna grid
• Red
• Rf spkr
• Right front door speaker
• Right front tweeter
• Right radio control switches
• Right rear speaker
• Rr spkr
• S202
• S418
• Scan
• Seek dn
• Seek up
• Source
• Strg ctrl
• Tan
• Vol dn
• Vol up
• W/ adaptive reception system
• W/o adaptive reception system

SHIFT INTERLOCKS

Electric Park Lock Wiring Diagram for Buick Regal LS 2002

List of elements for Electric Park Lock Wiring Diagram for Buick Regal LS 2002:

• A/t shift lock control switch (center of console)
• G200 (behind right side of dash)
• Hot in off, run or start
• I/p fuse block (right side of dash, in right door opening)
• Park lock fuse 10a
• Park position switch (closed in park)
• S230
• Steering column electric park lock (in steering column, near ignition key cylinder)

Shift Interlock Wiring Diagram for Buick Regal LS 2002

List of elements for Shift Interlock Wiring Diagram for Buick Regal LS 2002:

• (mounted to right front strut tower)
• (on transaxle stud)
• A/t shift lock control solenoid
• A/t shift lock control solenoid (in column shift)
• A/t shift lock control switch (under center of console)
• A12 c1
• Btsi park lock fuse 10a
• C11
• Century, intrigue
• G113
• Hot in run, bulb test or start
• I/p fuse block (right side of dash, in right door opening)
• Park lock solen- oid
• Park/ neutral position switch (on top right rear of transaxle)
• Pnk
• Pnk a
• Regal
• Regal century, intrigue
• S105
• S106 (intrigue) (regal, century)
• Stoplamp switch (open when brake pedal depressed) (on brake pedal support)
• Underhood fuse block

STARTING/CHARGING

Charging Wiring Diagram for Buick Regal LS 2002

List of elements for Charging Wiring Diagram for Buick Regal LS 2002:

• (not used) a
• (not used) c
• A8 c1
• B12
• Battery
• Charge ind
• Cluster fuse 10a
• Computer data lines
• Fusible link (10 ga- rust)
• G100 (right side of engine compt, at base of battery)
• G113 (left of starter, on transaxle stud)
• Gen fuse 10a
• Generator l
• Hot at all times
• Hot in run, bulb test or start
• I/p fuse block (behind right side of dash, in right door opening)
• Instrument cluster
• L term monitor c2
• P b+
• Pnk
• Powertrain control module (pcm) (left side of engine compt, in air cleaner assembly)
• Red
• Ser. data class 2 c1
• Solid state
• Splice pack (s205) (below dash, right of steering column)
• Starter
• Underhood fuse block (mounted to right strut tower)

Starting Wiring Diagram for Buick Regal LS 2002

List of elements for Starting Wiring Diagram for Buick Regal LS 2002:

• Acc
• B red
• Battery
• Bulb test
• Charging circuit (fusible link)
• Crank
• Crank maxifuse 40a
• Crank relay
• Crank signal bcm, cluster fuse 1oa
• G100 (right side of engine compartment, at base of battery)
• G113 (left of starter, on transaxle stud)
• Hold- in coil
• Hot at all times
• I/p fuse block (behind right side of dash, in right door opening)
• Ign main 1 fuse 30a
• Ignition switch
• Lock
• Nca
• Off
• Park neutral position (pnp) switch (on top right rear of transaxle)
• Pcm bcm ign relay fuse 10a
• Pnk
• Powertrain control module (pcm) (left front side of engine compartment, in air cleaner assembly)
• Pull- in coil
• Red
• Run
• S228
• S234
• Start
• Starter
• Starter enable
• Underhood fuse block (mounted to right strut tower)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraint Wiring Diagram for Buick Regal LS 2002

List of elements for Supplemental Restraint Wiring Diagram for Buick Regal LS 2002:

• (driver seat adjuster wiring harness, approximately 20 cm (8 inches) from 6 pin in-line connector, below driver's seat) s330
• (inside left door sill, forward of left front seat) g301
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• Air bag fuse 10a
• Air bag warning indicator
• B11
• Body control module (bcm) (behind left side of dash, left of steering column)
• Case ground
• Data link connector (dlc) (partial) (under left side of dash, right of steering column)
• Fuse block (behind right side of dash, in right door opening)
• G200 (behind right side of i/p compartment)
• Ground
• High control
• Hot in run, bulb test & start
• If equipped
• Ignition
• Inflatable restraint i/p module
• Inflatable restraint sensing & diagnostic module (sdm) (below carpet, under right front seat)
• Inflatable restraint steering wheel module
• Inflatable restraint steering wheel module coil
• Instrument cluster
• Left front inflatable restraint side impact module
• Left front inflatable restraint side impact sensor (at base of left "b" pillar)
• Low control
• Nca
• Powertrain control module (pcm) (left front side of engine compartment, in air cleaner assembly)
• Seat belt switch
• Seat belt switch (part of driver's seat belt assembly)
• Serial data class 2
• Shorting bar
• Signal
• Solid state
• Splice pack sp205 (below dash, right side of steering column, below data link connector)
• Voltage

TRANSMISSION

3.8L

3.8L VIN 1, A/T Wiring Diagram for Buick Regal LS 2002

List of elements for 3.8L VIN 1, A/T Wiring Diagram for Buick Regal LS 2002:

• (on transaxle right axle case extension) vehicle speed sensor
• 1-2 shift sol
• 2-3 shift sol
• A/t sensor hi
• A/t sensor lo
• Automatic transaxle (4t65-e)
• Automatic transaxle fluid pressure manual valve position switch
• Automatic transaxle fluid temperature sensor
• Automatic transaxle input shaft speed sensor
• B12
• Battery in
• Bcm & instrument cluster
• Body control module & instrument cluster
• Brake switch in
• Cluster fuse 10a
• Data link connector (below dash, right side of steering column)
• Ecm fuse 22 10a
• Ect return
• Ect sensor in
• Eng emis fuse 30 10a
• Engine controls system
• Engine coolant temperature sensor (top left side of engine)
• G113 (lower left front of engine on transaxle stud)
• G113 (lower left front of engine, on transaxle stud)
• Gnd
• Hot at all times
• Hot in off, run or start
• Hot in run or start
• Hot in run, bulb test or start
• I/p fuse block (behind right side of dash)
• Ign 0 fuse 10a
• Ignition (0) in
• Ignition (1) in
• Instrument panel cluster (ipc)
• Mil ctrl
• Park/neutral position (pnp) switch (top right rear of transaxle)
• Pc sol hi
• Pc sol lo
• Pcm ground
• Pcm-bcm ign relay fuse 10a
• Pnk
• Powertrain control module (left side of engine compt, in air cleaner assembly)
• Pressure control sol
• Red
• Rev
• S105
• S106
• S270
• Serial data
• Service engine soon
• Splice pack sp205 (near dlc)
• Stop lamp switch (on brake pedal support bracket)
• Tan
• Tcc pwm sol
• Tcc release
• Tcc release in
• Tcc/ brake switch
• Tft sensor gnd
• Tft sensor in
• Throttle position sensor (on throttle body)
• Tp 5v ref
• Tp sensor in
• Tps return
• Tr sw in-a
• Tr sw in-b
• Tr sw in-c
• Tr sw in-p
• Trans fuse 26 10a
• Trans range a
• Trans range b
• Trans range c
• Underhood fuse block (mounted to right front strut tower)
• Vss hi (signal)
• Vss lo (ground)

3.8L VIN K, A/T Wiring Diagram for Buick Regal LS 2002

List of elements for 3.8L VIN K, A/T Wiring Diagram for Buick Regal LS 2002:

• (on transaxle right axle case extension) vehicle speed sensor
• 1-2 shift sol
• 2-3 shift sol
• A/t sensor hi
• A/t sensor lo
• Automatic transaxle (4t65-e)
• Automatic transaxle fluid pressure manual valve position switch
• Automatic transaxle fluid temperature sensor
• Automatic transaxle input shaft speed sensor
• B12
• Battery in
• Bcm & instrument cluster
• Body control module & instrument cluster
• Brake switch in
• Cluster fuse 10a
• Data link connector (below dash, right side of steering column)
• Ecm fuse 22 10a
• Ect return
• Ect sensor in
• Eng emis fuse 30 10a
• Engine controls system
• Engine coolant temperature sensor (top left side of engine)
• G113 (lower left front of engine on transaxle stud)
• G113 (lower left front of engine, on transaxle stud)
• Gnd
• Hot at all times
• Hot in off, run or start
• Hot in run or start
• Hot in run, bulb test or start
• I/p fuse block (behind right side of dash)
• Ign 0 fuse 10a
• Ignition (0) in
• Ignition (1) in
• Instrument panel cluster (ipc)
• Mil ctrl
• Park/neutral position (pnp) switch (top right rear of transaxle)
• Pc sol hi
• Pc sol lo
• Pcm ground
• Pcm-bcm ign relay fuse 10a
• Pnk
• Powertrain control module (left side of engine compt, in air cleaner assembly)
• Pressure control sol
• Red
• Rev
• S105
• S106
• S270
• Serial data
• Service engine soon
• Splice pack sp205 (near dlc)
• Stop lamp switch (on brake pedal support bracket)
• Tan
• Tcc pwm sol
• Tcc release
• Tcc release in
• Tcc/ brake switch
• Tft sensor gnd
• Tft sensor in
• Throttle position sensor (on throttle body)
• Tp 5v ref
• Tp sensor in
• Tps return
• Tr sw in-a
• Tr sw in-b
• Tr sw in-c
• Tr sw in-p
• Trans fuse 26 10a
• Trans range a
• Trans range b
• Trans range c
• Underhood fuse block (mounted to right front strut tower)
• Vss hi (signal)
• Vss lo (ground)

TRUNK, TAILGATE, FUEL DOOR

Trunk Release Wiring Diagram, with Entrapment Protection for Buick Regal LS 2002

List of elements for Trunk Release Wiring Diagram, with Entrapment Protection for Buick Regal LS 2002:

• (left of steering column) body control module
• Bat (+)
• Class 2 ser data
• Computer data lines system
• Door locks fuse 20a
• G203 (below dash, right side of steering column)
• G402 (right side of rear shelf)
• Gnd
• Hot at all times
• Hot in off, run or start
• I/p fuse block (behind right side of dash, in right door opening)
• Ign
• Ign 0: cluster pcm & bcm fuse 10a
• Instrument panel cluster
• Interior lights system
• Keyless ser data
• Rear compartment lid ajar switch
• Rear compartment lid lock release actuator (near rear compartment lid latch)
• Rear compartment lid release relay (behind glove box, mounted to under- side of cross-car beam)
• Rear compartment lid release switch
• Rear compartment occupant sensor (left side of rear compartment)
• Release rly ctrl
• Remote control door lock receiver (behind instrument cluster)
• S211
• S269
• S270
• S414
• S905
• Tk ajar sw in
• Tk ajar sw sig
• Tk lp ctrl
• Tk release sw sig
• Trap alert fuse 20a
• Trunk open ind

Trunk Release Wiring Diagram, without Entrapment Protection for Buick Regal LS 2002

List of elements for Trunk Release Wiring Diagram, without Entrapment Protection for Buick Regal LS 2002:

• (left of steering column) body control module
• Class 2 ser data
• Computer data lines system
• Door locks fuse 20a
• G203 (below dash, right side of steering column)
• G402 (right side of rear shelf)
• Hot at all times
• I/p fuse block (behind right side of dash, in right door opening)
• Instrument panel cluster
• Interior lights system
• Keyless ser data
• Rear compartment lid lock release actuator (near rear compartment lid latch)
• Rear compartment lid release relay (behind glove box, mounted to under- side of cross-car beam)
• Rear compartment lid release switch
• Release rly ctrl
• Remote control door lock receiver (behind nstrument cluster)
• S211
• S269
• S905
• Tk ajar sw sig
• Tk release sw sig
• Trunk open ind

WARNING SYSTEMS

Warning System Wiring Diagrams for Buick Regal LS 2002

List of elements for Warning System Wiring Diagrams for Buick Regal LS 2002:

• (left side of engine, in air cleaner) powertrain control module (pcm)
• (passenger's
• Accessory
• Ajar
• B10
• B11
• Bcm acc fuse 10a
• Body control module (bcm) (behind left side of dash, left of steering column)
• Body harn, on floor, under seat) s322
• Computer data lines system
• Crank
• Crank signal, bcm clstr fuse 10a
• Ctsy
• Door ajar
• Driver door lock (ajar indicator switch)
• G201 (below dash, left side of steering column)
• G203 (below dash, right side of steering column)
• G301 (left front door sill)
• Ground
• Head
• Headlamp switch
• Hot at all times
• Hot in acc or run
• Hot in acc run or start
• Hot in run or start
• Hot in start
• I/p fuse block
• Ign 0, cluster, pcm & bcm fuse 10a
• Ignition 0
• Ignition 1
• Ignition switch (key in ignition switch)
• Instrument panel cluster (ipc)
• Interior lights system
• Key in ign
• Lp park fuse 20a
• Nca
• Off
• Park
• Park brake (ign 1)
• Park brake switch
• Park lp off
• Pcm, bcm u/h relay fuse 10a
• Pnk
• S211
• S234
• S270
• S283
• S330
• S504
• Seat belt switch
• Seat belt switch (ign 1)
• Serial data class
• Serial data class 2
• Splice pack sp205 (below dash, right side of steering column)
• Tan
• Tire inflation
• Tire reset switch (in i/p fuse block)
• Underhood fuse block

WIPER/WASHER

Wiper/Washer Wiring Diagram for Buick Regal LS 2002

List of elements for Wiper/Washer Wiring Diagram for Buick Regal LS 2002:

• (behind right side of dash) g201
• (below dash, left side of steering column) g201
• Delay
• Hot in accy or run
• I/p fuse block (behind right side of dash, in right door opening)
• Instrument panel cluster
• Mist
• Nca
• Off
• Red
• S230
• S249
• Washer switch
• Wind- shield washer fluid level switch (in washer fluid reservoir)
• Windshield washer fluid pump (in washer fluid reservoir)
• Windshield wiper motor (on left side of firewall, below air inlet screen)
• Windshield wiper switch
• Wiper fuse 25a
• Wiper motor
• Wiper motor controller
• Wiper switch