All Wiring Diagrams for Buick Regal LS 1997 model

AIR CONDITIONING

Air Conditioning Wiring Diagrams, Auto A/C (1 of 2) for Buick Regal LS 1997

List of elements for Air Conditioning Wiring Diagrams, Auto A/C (1 of 2) for Buick Regal LS 1997:

• (i/p harn, 34cm from heater-a/c control breakout)
• (i/p harn, 4cm from radio breakout)
• (i/p harness, 18cm from radio breakout)
• (i/p harness, 4cm from breakout to radio)
• (right side of i/p) g201
• +5 v
• A/c sol ctrl
• A/c solenoid
• Ambient outside temperature sensor (on center radiator support)
• Battery
• Bi-lev sol ctrl
• Bi-level solenoid
• Blower motor
• Blower motor control module (behind i/p, right of heater-a/c control module)
• C 1995 vftc
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link
• Data link connector (bottom of i/p, right of steering column)
• Def sol ctrl
• Defrost solenoid
• Fuse block
• G201 (right side of i/p)
• Ground
• Heater and a/c control (center of i/p)
• Heater solenoid
• High blower fuse 25a
• Hot at all times
• Hot in run
• Htr sol ctrl
• Hvac fuse 10a
• Ignition
• Inside air temperature sensor (right side of instrument cluster)
• Inside temp input
• Left electric actuator (left side of heater- a/c module)
• Lt elec actuator
• Motor drive
• Nca
• Outside temp input
• Radio
• Radio,hvac fuse 10a
• Rear defog enable
• Rear defogger system
• Recirc sol ctrl
• Recirc solenoid
• Red
• Right electric actuator (right side of heater- a/c module)
• Rt elec actuator
• S202 (i/p harness, right of steering column)
• S230
• S231
• S233
• S258
• Sensor ground
• Serial data
• Solid state
• Splice pack sp205
• Sun load input
• Sun load temperature sensor (top left of i/p)
• Tan
• Vacuum/ electric solenoid (behind i/p, right of plenum)
• Volt to blw ctrl

Air Conditioning Wiring Diagrams, Auto A/C (2 of 2) for Buick Regal LS 1997

List of elements for Air Conditioning Wiring Diagrams, Auto A/C (2 of 2) for Buick Regal LS 1997:

• (engine harn, 4cm from breakout to engine coolant fan jumper)
• (vin k, vin 1)
• (vin m)
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c compressor clutch
• A10
• A11
• C 1995 vftc
• C11
• Comp ctrl
• Cool fan 1 maxi fuse 40a
• Cool fan 1 relay
• Cool fan 2 maxi fuse 30a
• Cool fan 2 relay
• Cool fan 3 relay
• Engine coolant fan motor 1
• Engine coolant fan motor 2
• F12
• G110 (left front of engine)
• Hi spd ctrl
• Hot at all times
• Low spd ctrl
• Powertrain control module (left front of engine)
• S105
• S105 (engine harn, 4 cm from breakout to engine coolant fan jumper)
• Serial data
• Underhood electrical center

Air Conditioning Wiring Diagrams, Manual A/C for Buick Regal LS 1997

List of elements for Air Conditioning Wiring Diagrams, Manual A/C for Buick Regal LS 1997:

• (engine harn, 4cm from breakout to engine coolant fan jumper)
• (i/p harn, 4cm from breakout to radio)
• (i/p harness, 18cm from radio breakout)
• (vin k, vin 1)
• (vin m)
• A/c compressor clutch
• A/c clu diode
• A/c clu fuse 10a
• A/c clu relay
• A/c request sig
• A10
• A11
• Blower motor
• Blower motor relay
• Blower motor resistor
• Blower sw out
• C11
• Clutch req
• Comp ctrl
• Cool fan 1 maxi fuse 40a
• Cool fan 1 relay
• Cool fan 2 maxi fuse 30a
• Cool fan 2 relay
• Cool fan 3 relay
• Defogger on
• Defogger system
• Engine coolant fan motor 1
• Engine coolant fan motor 2
• F12
• Fuse block
• G110 (left front of engine)
• G201 (right side of i/p)
• Ground
• Heater-a/c control
• Hi spd ctrl
• High blower fuse 20a
• Hot at all times
• Hot in run
• Hvac fuse 10a
• Ignition
• Interior lights
• Interior lights system
• Lamp dim sig
• Left electronic actuator (left side of heater module)
• Left temp vlv
• Low blower fuse 20a
• Low spd ctrl
• Nca
• Off
• Powertrain control module (left front of engine)
• Right electronic actuator (w/ cj3) (right side of heater module)
• Right temp vlv
• S105
• S105 (engine harn, 4 cm from breakout to engine coolant fan jumper)
• S230
• S233
• Tan
• Underhood electrical center

ANTI-LOCK BRAKES

Anti-lock Brake Wiring Diagrams for Buick Regal LS 1997

List of elements for Anti-lock Brake Wiring Diagrams for Buick Regal LS 1997:

• (below i/p, right of steering column)
• (left of steering column) g202
• A10
• A11
• A12
• Abs fuse 10a
• Abs-bcm fuse 10a
• Anti lock fail
• B10
• B11
• B12
• Batt
• Brake
• Brake in
• Brake level in
• Brake modulator (left side of engine compt)
• Brake motor
• C1 stop lamp switch (below steering column)
• Cluster fuse 10a
• Data line
• Electronic brake control relay (below left side of i/p)
• Electronic brake traction control module (left side of i/p)
• Electronic power steering system
• Electronic traction control brake pressure modulator valve (right rear of engine compt)
• Electronic traction control switch
• Enable rly output
• Ets mode sw
• Fuse block
• G202
• Ground
• Hot at all times
• Hot in run, bulb test or start
• Ign
• Instrument cluster
• Interior lights system
• L fnt mtr-hi
• L fnt mtr-lo
• Left fnt wheel spd
• Left front abs solenoid
• Left front motor
• Left front tcs motor
• Left front wheel speed sensor
• Left rear wheel spd
• Left rear wheel speed sensor
• Left solenoid
• Low trac
• Lt frt tcs hi
• Lt frt tcs low
• Msva high
• Msva low
• Nca
• Pnk
• Powertrain control module (front left side of engine)
• Pressure ind
• Rear motor
• Rear mtr-hi
• Rear mtr-lo
• Red
• Right front abs solenoid
• Right front motor
• Right front tcs motor
• Right front wheel speed sensor
• Right rear wheel speed sensor
• Rly coil ctrl
• Rt fnt mtr-hi
• Rt fnt mtr-lo
• Rt fnt solenoid
• Rt fnt wheel spd
• Rt frt tcs hi
• Rt frt tcs low
• Rt rear wheel spd
• S205 (i/p harn, right of steering column)
• S211
• S279 (i/p harn, right of steering column)
• S286 (i/p harn, right of steering column)
• S287
• Solid state
• Splice pack (sp205) (right side of steering column)
• Stop lamps fuse 15a
• Tan
• Torque from pcm
• Torque to pcm
• Trac off

ANTI-THEFT

Pass-Key Wiring Diagram for Buick Regal LS 1997

List of elements for Pass-Key Wiring Diagram for Buick Regal LS 1997:

• (right side of engine compt) powertrain control module
• 5v ref
• Abs- bcm fuse 10a
• B12
• Bat
• Body control module (below left side of i/p, left of of steering column)
• Crank enable
• Crank maxi fuse 40a
• Crank relay
• Crank sig
• Crank signal fuse 10a
• Data link connector (below left side of i/p, left side of steering column)
• F10
• Fuse block (right side of i/p)
• G202 (behind i/p, right of brake pedal support)
• Ground
• Hot at all times
• Hot in run, bulb
• Hot in start
• Hot off, run
• I/p ign fuse 10a
• Ign 0
• Ign 0 fuse 10a
• Ign ref lo
• Instrument cluster
• Key
• Nca
• Or start
• Pcm- bcm fuse 10a
• Pnk
• Resistor pellet
• S211
• S270
• Security indicator
• Serial data
• Splice pack s205 (below i/p, right side of steering column)
• Starter solenoid
• Steering column lock & ignition key cylinder
• Test or start
• Transaxle range switch (on transaxle)
• Underhood electrical center (mounted on right strut tower)

BODY COMPUTER

Body Computer Wiring Diagrams for Buick Regal LS 1997

List of elements for Body Computer Wiring Diagrams for Buick Regal LS 1997:

• A10
• A11
• A12
• Abs- bcm fuse 10a
• Accessory
• Accessory timed delay relay (rap) (behind i/p compt, attached to underside of cross car beam)
• All door locks
• B10
• B11
• B12
• Bcm (battery)
• Bcm (ground)
• Bcm fuse 10a
• Bcm- pcm fuse 10a
• Body control module (bcm) (below left side of i/p, left of steering wheel)
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• Computer data lines system
• Courtesy lamp on (battery)
• Courtesy lamps (battery)
• Crank
• Crank signal fuse 10a
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Door ajar (battery)
• Door lock switch (lock)
• Door lock switch (unlock)
• Door locks (battery)
• Door locks fuse 20a
• Door locks system
• Doors (ground)
• Driver door ajar (battery)
• Driver door unlock
• Drl link
• Exterior lights system
• Fog lamp control (ground)
• Fuse block (right side of i/p)
• G202 (below i/p, left side of steering column)
• Headlights system
• Horn (ground)
• Horns system
• Hot at all times
• Hot in accy or run
• Hot in off, run or start
• Hot in run, bulb test, or start
• Hot in start
• Ign 0 fuse 10a
• Ignition 0
• Ignition 1
• Ignition 1 park brake
• Ignition 1 performance
• Ignition key read (5v)
• Ignition ref low (ground)
• Inadv power bus fuse 15a
• Interior lights system
• Key in ignition
• Keyless entry link
• Nca
• Park lamp off (ground)
• Passenger doors unlock
• Performance shift switch
• Pnk
• Rap relay drive (ground)
• S211
• S234
• S269
• S270
• S283
• Seat belt switch (ign 1)
• Serial data (class 2)
• Steering column lock and ignition key cylinder
• Tan
• Theater dimming (ground)
• Theater dimming 1
• Theater dimming 2
• Trunk ajar
• Underhood electrical center
• W/ rap
• Warning system

COMPUTER DATA LINES

Computer Data Lines for Buick Regal LS 1997

List of elements for Computer Data Lines for Buick Regal LS 1997:

• (below i/p, right side of steering column)
• (on steering column)
• Body control module (below left side of i/p, left of steering column)
• D12
• Data clss 2
• Data link connector (below left side of i/p)
• E1 e & c serial data
• Electronic brake control module (behind left side of i/p, left of steering column)
• Fuse block
• G202
• Hot at all times
• Htr-a/c control
• Inflatable restraint sensing and diagnostic module (under right front seat)
• Instrument cluster
• Powertrain control module (in air cleaner assembly)
• Radio
• Radio- hvac fuse 15a
• S202
• S211
• S230
• Splice pack sp205 (below i/p, right side of steering column)
• Tan
• Uart data

COOLING FAN

Cooling Fan Wiring Diagram for Buick Regal LS 1997

List of elements for Cooling Fan Wiring Diagram for Buick Regal LS 1997:

• (vin k, vin 1)
• (vin m)
• A10
• A11
• All times
• C11
• Cool fan 2 maxi fuse 30a
• Cool fan 1 maxi fuse 40a
• Cool fan 1 relay
• Cool fan 2 relay
• Cool fan 3 relay
• Engine coolant fan motor 1
• Engine coolant fan motor 2
• F12
• G110 (left front of engine)
• Hi spd ctrl
• Hot at
• Low spd ctrl
• Powertrain control module (left front of engine)
• S105 (engine harn, 4 cm from breakout to engine coolant fan jumper)
• Underhood electrical center

CRUISE CONTROL

Cruise Control Wiring Diagram for Buick Regal LS 1997

List of elements for Cruise Control Wiring Diagram for Buick Regal LS 1997:

• (i/p harn, near steering column)
• (i/p harn, right of steering column)
• (left side of engine compt)
• 4000 pulses/mile
• All times
• C12
• Cruise control module
• Cruise control release switch (lower left i/p)
• Cruise control switch
• Cruise fuse 10a
• Cruise inhibit
• Cruise inhibit input
• Cruise on input
• Cruise status
• D12
• Disengage input
• Fuse block
• G202 (below i/p, left of steering column)
• Ground
• Hot at
• Hot in run, bulb
• Ignition
• Off
• Powertrain control module (pcm) (front left side of engine)
• R/a
• Resume/accel input
• S205
• S240
• S281
• S283
• Set sw
• Set/coast input
• Stop lamp switch (lower left i/p)
• Stop lamps fuse 15a
• Test or start
• Underhood electrical center
• Vehicle speed input
• Vehicle speed sensor (vss) (right rear of engine, on transaxle)
• Vss return
• Vss signal

DEFOGGERS

Defogger Wiring Diagram for Buick Regal LS 1997

List of elements for Defogger Wiring Diagram for Buick Regal LS 1997:

• (behind right side of dash) g201
• (left front door sill) g309
• (left front side of trunk) g400
• C1 (cj2) (c60/cj3)
• D nca
• Heated mirror fuse 10a
• Heater & a/c control
• Hot at all times
• Hot in run
• Hvac fuse 10a
• I/p fuse block
• Left outside rearview mirror
• Mirror defogger
• Nca
• On ind
• On/off momentary defogger switch
• Radio noise suppressor wire (in right "c" pillar)
• Rear window defogger
• Rear window defogger relay (behind right side of dash)
• Right outside rearview mirror
• Rr defog circuit breaker 30a
• 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 1997

List of elements for Electronic Power Steering Wiring Diagram for Buick Regal LS 1997:

• (below left side of i/p, right of steering column) data link connector (dlc)
• 1995 vftc c
• A11
• Abs fuse 10a
• Abs-bcm fuse 10a
• Anti- lock brakes system
• B12
• Battery input
• Comp- uter data lines system
• Data line
• Electronic brake control relay (below left side of i/p)
• Electronic brake/ traction control module (ebtcm) (below left side of i/p, left of steering column)
• Enable ctrl
• Fuse block
• G202 (behind i/p, left side of steering column)
• Ground
• High
• Hot at all times
• Hot in run, bulb test or start
• Nca
• Pnk
• Red
• S279 (i/p harn, right side of steering column, approx 42 cm from g202 breakout)
• S287
• Splice pack sp205 (right side of steer- ing column)
• Steering gear msvp actuator (left rear of engine compt, behind trans)
• Switched bat input
• Switched ign

ENGINE PERFORMANCE

3.8L

3.8L (VIN 1), Engine Performance Wiring Diagrams (1 of 3) for Buick Regal LS 1997

List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (1 of 3) for Buick Regal LS 1997:

• (on transaxle)
• (on transaxle) g129
• (under left side of i/p)
• 18x ref signal
• 3x ref signal
• 5v ref out
• A/c comp ctrl
• A/c request in
• A/c system
• A/t iss sens hi
• A/t iss sens lo
• Automatic transaxle
• Automatic transaxle input shaft speed sensor
• Brake/tcc sw in
• Cam pos in
• Cooling fans system
• Crank enable
• Crank signal fuse 10a
• Cruise control system
• Cruise engaged sig
• Dlc class 2 data
• Ecm fuse 10a
• Egr ignition
• Egr valve sol ctrl
• Electronic brake traction control module (below left side of i/p)
• Engine cool fan #1
• Engine cool fan #2
• Engine data sens grd
• Engine oil level indicator switch (lower front center of oil pan)
• Engine oil pressure switch (front of engine, above starter)
• Evap can vac sw
• Evap purge sol ctrl
• Evaporative emission canister purge solenoid valve (rear top of engine)
• Evaporative emission canister purge vacuum switch (rear top of engine)
• F pump spd ctrl
• Fuel pump rly ctrl
• Fuse block
• G129
• G129 (on transaxle)
• Hot at all times
• Hot in off, run bulb test, or start
• Hot in run, bulb test, or start
• Hot in start
• Iac control
• Icm module bypass
• Idle air control (iac) valve (on side of supercharger)
• Ign 0 fuse 10a
• Ignition ctrl in
• Ignition ctrl ref lo
• Ignition feed
• Instrument cluster system
• Intake air temperature (iat) sensor (left front of engine compt)
• Maf sensor in
• Mass air flow sensor (left front of engine)
• Mil lamp control
• Oil level input
• Oil pressure input
• Pcm ground
• Pcm-bcm fuse 10a
• Pnk
• Power (battery)
• Power (ignition)
• Powertrain control module (left front side of engine)
• S106
• S234
• S270
• Splice pack (sp250) (below i/p, right of steering column)
• Starting system
• Supercharger bypass
• Tan
• Tcc solenoid ctrl
• Torque delivered
• Torque req
• Trans range sw 'a'
• Trans range sw parity
• Underhood electrical center
• Vehicle speed sensor (on transaxle)
• Vss in
• Vss out-4000 ppm
• Vss return

3.8L (VIN 1), Engine Performance Wiring Diagrams (2 of 3) for Buick Regal LS 1997

List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (2 of 3) for Buick Regal LS 1997:

• (engine harn, 19 cm from transaxle breakout)
• (engine harn, left top of engine)
• (icm harn, top of engine near icm)
• (injector harn, 6 cm from throttle pos sensor breakout)
• (on trans- axle)
• (on transaxle)
• (right side of engine) g120
• (top of transaxle) transaxle range switch
• (top right front of engine) ignition control module
• A4 c2
• B12
• C1 e2
• Camshaft position sensor (right side of engine)
• Cluster fuse 10a
• Crankshaft position sensor (right side of engine)
• Elek ign fuse 15a
• Eng emis fuse 10a
• Engine coolant temperature sensor (top left side of engine)
• Exhaust gas recirc- ulation valve (top left side of engine)
• F/pmp fuse 15a
• F/pmp spd cont relay
• Fuel pump
• Fuel pump relay
• Fuel pump resistor (right front frame rail forward of wheel)
• Fuel tank b
• Fuse block
• G129
• G313 (right side of rear shelf)
• Hot at all times
• Hot in run, bulb test or start
• Ignition amplifier and switching module
• Instrument cluster
• Malfunction indicator lamp
• Plugs spark
• Pnk
• S105
• S106
• S107
• S121
• S122
• S144
• S145
• Spark plugs
• Stoplamp switch (on brake pedal bracket)
• Supercharger bypass valve (left top of engine)
• Tan
• Throttle position sensor (throttle assembly)
• Trans fuse 10a
• Underhood electrical center

3.8L (VIN 1), Engine Performance Wiring Diagrams (3 of 3) for Buick Regal LS 1997

List of elements for 3.8L (VIN 1), Engine Performance Wiring Diagrams (3 of 3) for Buick Regal LS 1997:

• (engine harn, top left of engine)
• 1-2 shift solenoid
• 2-3 shift solenoid
• A/c press sens in
• A/c refrigerant pressure sensor (right side of engine compt, below accumulator)
• Auto transaxle fluid temperature sensor
• Automatic transaxle
• Automatic transaxle fluid pressure manual valve position switch
• B red
• Cruise control system
• Cruise inhibit out
• Ect sensor in
• F/injr fuse 15a
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• Fuel injectors
• Fuel level sensor
• Fuel tank pressure in
• G129 (on transaxle)
• Gen out signal in
• Generator
• Generator monitor
• Heated oxygen sensor #1 (rear of engine, in exhaust manifold)
• Heated oxygen sensor #2 (in exhaust pipe, behind catalyst)
• Ho2s 1 hi in
• Ho2s 1 low in
• Ho2s 2 hi in
• Ho2s 2 low in
• Hot in run, bulb test and start
• Iat sensor in
• Instrument cluster system (tachometer)
• Knock sens in
• Knock sensor 1 (rear center of engine, below exhaust manifold)
• Knock sensor 2 (on engine, right of starter)
• Linear egr pos sens in
• Manifold absolute pressure sensor (top rear of engine)
• Map sensor in
• Nca
• Oxy sen fuse 15a
• Pc sol hi
• Pc sol lo
• Pcm ground
• Pnk
• Pnk n
• Powertrain control module (left front side of engine)
• Pressure control solenoid valve
• Red
• Red p
• Rev
• S106
• S109
• Tach sig
• Tan
• Tcc pwm solenoid
• Tcc rel
• Tcc rel sw
• Tp sensor in
• Trans fluid sw a
• Trans fluid sw b
• Trans fluid sw c
• Trans range sw 'b' in
• Trans range sw 'c' in
• Trans shift sol 'a'
• Trans shift sol 'b'
• Trans temp sens in
• Underhood electrical center

3.8L (VIN K), Engine Performance Wiring Diagrams (1 of 3) for Buick Regal LS 1997

List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (1 of 3) for Buick Regal LS 1997:

• (on transaxle)
• (on transaxle) g129
• (under left side of i/p)
• 18x ref signal
• 3x ref signal
• 5v ref out
• A/c comp ctrl
• A/c request in
• A/c system
• Brake/tcc sw in
• Cam pos in
• Cooling fans system
• Crank enable
• Crank signal fuse 10a
• Cruise control system
• Cruise engaged sig
• Dlc class 2 data
• Ecm fuse 10a
• Egr ignition
• Egr valve sol ctrl
• Engine cool fan #1
• Engine cool fan #2
• Engine data sens grd
• Engine oil level indicator switch (lower front center of oil pan)
• Engine oil pressure switch (right lower rear of engine, above transaxle)
• Evap purge sol ctrl
• Evaporative emission canister purge solenoid valve (top front of engine)
• Evaporative emission canister vent solenoid valve (left rear wheel well)
• Fuel pump rly ctrl
• Fuse block
• G129
• G129 (on transaxle)
• Hot at all times
• Hot in off, run bulb test, or start
• Hot in run, bulb test, or start
• Hot in start
• Iac control
• Icm module bypass
• Idle air control (iac) valve (on side of throttle assembly)
• Ign 0 fuse 10a
• Ignition ctrl in
• Ignition ctrl ref lo
• Ignition feed
• Instrument cluster system
• Intake air temperature (iat) sensor (left front of engine compt)
• Maf sensor in
• Mass air flow sensor (left front of engine)
• Mil lamp control
• Oil level input
• Oil pressure input
• Pcm ground
• Pcm-bcm fuse 10a
• Pnk
• Power (battery)
• Power (ignition)
• Powertrain control module (left front side of engine)
• S106
• S234
• S270
• Splice pack (sp250) (below i/p, right of steering column)
• Starting system
• Tan
• Tcc enable sol ctrl
• Tcc solenoid ctrl
• Trans range sw 'a'
• Trans range sw parity
• Underhood electrical center
• Vehicle speed sensor (on transaxle)
• Vss in
• Vss out-4000 ppm
• Vss return

3.8L (VIN K), Engine Performance Wiring Diagrams (2 of 3) for Buick Regal LS 1997

List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (2 of 3) for Buick Regal LS 1997:

• (body harness, below left side of rear seat)
• (engine harn, 10 cm from generator breakout)
• (engine harn, 19 cm from transaxle breakout)
• (icm harn, top of engine near icm)
• (injector harn, 6 cm from throttle pos sensor breakout)
• (on trans- axle)
• (right side of engine) g120
• (top of transaxle) transaxle range switch
• (top right front of engine) ignition control module
• B12
• B4 c2
• C1 e2
• Camshaft position sensor (right side of engine)
• Cluster fuse 10a
• Crankshaft position sensor (right side of engine)
• Elek ign fuse 15a
• Eng emis fuse 10a
• Engine coolant temperature sensor (top left side of engine)
• Exhaust gas recirc- ulation valve (top left side of engine)
• F/pmp fuse 15a
• Fuel level sensor
• Fuel pump
• Fuel pump relay
• Fuel tank
• Fuse block
• G129
• G129 (on transaxle)
• G313 (right side of rear shelf)
• Hot at all times
• Hot in run, bulb test or start
• Ignition amplifier and switching module
• Instrument cluster
• Malfunction indicator lamp
• Plugs spark
• Pnk
• S105
• S106
• S107
• S121
• S122
• S144
• S145
• S409
• Spark plugs
• Stoplamp switch (on brake pedal bracket)
• Tan
• Throttle position sensor (throttle assembly)
• Trans fuse 10a
• Underhood electrical center

3.8L (VIN K), Engine Performance Wiring Diagrams (3 of 3) for Buick Regal LS 1997

List of elements for 3.8L (VIN K), Engine Performance Wiring Diagrams (3 of 3) for Buick Regal LS 1997:

• (engine harn, top left of engine)
• (on transaxle)
• 1-2 shift solenoid
• 2-3 shift solenoid
• A/c press sens in
• A/c refrigerant pressure sensor (right side of engine compt, below accumulator)
• A11
• Auto transaxle fluid temperature sensor
• B red
• Cruise control system
• Cruise inhibit out
• D10
• Ect sensor in
• Evap vent input
• F/injr fuse 15a
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• Fuel injectors
• Fuel level sensor
• Fuel tank
• Fuel tank pressure in
• Fuel tank pressure sensor
• G129
• G129 (on transaxle)
• Gen out signal in
• Generator
• Generator monitor
• Heated oxygen sensor #2 (in exhaust pipe, behind catalyst)
• Heated oxygen sensor #1 (rear of engine, in exhaust manifold)
• Ho2s 1 hi in
• Ho2s 1 low in
• Ho2s 2 hi in
• Ho2s 2 low in
• Hot in run, bulb test and start
• Iat sensor in
• Instrument cluster system (tachometer)
• Knock sens in
• Knock sensor 1 (rear center of engine, below exhaust manifold)
• Knock sensor 2 (on engine, right of starter)
• Linear egr pos sens in
• Manifold absolute pressure sensor (top rear of engine)
• Map sensor in
• Nca
• Oxy sen fuse 15a
• Pcm ground
• Pnk
• Powertrain control module (left front side of engine)
• Red
• S105
• S106
• S109
• Tach sig
• Tan
• Tcc pwm solenoid
• Tcc solenoid
• Tp sensor in
• Trans range sw 'b' in
• Trans range sw 'c' in
• Trans shift sol 'a'
• Trans shift sol 'b'
• Trans temp sens in
• Transaxle
• Underhood electrical center

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Buick Regal LS 1997

List of elements for Back-up Lamps Wiring Diagram for Buick Regal LS 1997:

• (body harness, under left rear seat) s424
• F1 c1
• F10
• G905 (at base of right "c" pillar)
• Hot at all times
• Inside rear- view mirror (electro- chromic)
• Left backup lamp
• R/cmpt rel fuse 7.5a
• Right backup lamp
• S405 (trunk harness, center of trunk lid)
• S415
• Transaxle range switch (left of engine, on transaxle)
• Underhood electrical center

Exterior Lamps Wiring Diagram for Buick Regal LS 1997

List of elements for Exterior Lamps Wiring Diagram for Buick Regal LS 1997:

• (chmsl harness, center of rear window trim panel, 7cm from chmsl lamps breakout) s417
• (parking brake lever) park brake indicator switch
• A c1
• A10
• A11
• A12
• A13
• Anti-lock brakes system
• B c1
• Body control module (behind left side of dash)
• Center high mounted stoplamp (chmsl)
• Cruise control system
• Daytime running lamps (drl) ambient light sensor (top of dash)
• Daytime running lamps control module (behind left side of dash)
• Drl fuse 10a
• E10
• E11
• E12
• E13
• F11
• F12
• Frt pk lps fuse 10a
• Fuse block
• G108 (upper radiator support)
• G109 (right side of upper radiator suport)
• G204 (left side of steering column)
• G204 (left side of strg column)
• G905 (at base of right "c" pillar)
• Hazard
• Hazard fuse 15a
• Head
• Headlamp switch
• Hot at all times
• Hot in run
• Hot in run, bulb test or start
• Hvac fuse 10a
• Instrument cluster
• Left
• Left front park/turn lamp
• Left rear park lamps
• Left rear side marker lamp
• Left tail/ turn/ stop- lamp
• Left turn indic
• License lamps
• Nca
• Normal
• Off
• Park
• Park lps fuse 20a
• Pnk
• Right
• Right front park/turn lamp
• Right rear park lamps
• Right rear side marker lamp
• Right side of steering column, 12cm from ground breakout) s291
• Right tail/ turn/ stop- lamp
• Right turn indic
• S117
• S118
• S205 (i/p harness, near steering column)
• S233
• S277 (i/p harness, right side of steering column, near electrical connector)
• S283
• S402
• S403
• S408 (body harness, right side of trunk, 23cm from body to trunk lid harness breakout, above right wheelwell)
• S415
• S416
• S419 (backup lamp harness, in trunk lid)
• S431 (left taillamp harness, behind left taillamp assembly)
• S432 (right taillamp harness, behind right taillamp assembly)
• Side marker lamps
• Stop fuse 15a
• Stoplamp/ torque converter clutch switch (on brake pedal support)
• Tail lps fuse 15a
• Turn fuse 10a
• Turn hazard flasher module (behind left side of dash)
• Turn signal switch
• Under- hood electrical center
• Underhood electrical center

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 2) for Buick Regal LS 1997

List of elements for Ground Distribution Wiring Diagram (1 of 2) for Buick Regal LS 1997:

• (ashtray harness, inside ashtray)
• (c60/cj3)
• (century)
• (cj2)
• (engine harness, 4 cm from engine coolant fan jumper breakout)
• (engine harness, 7 cm from pcm breakout)
• (front console harness, 65 cm from accessory power receptacle breakout)
• (i/p harness, 8 cm from ebcm breakout)
• (regal)
• A/c clu diode
• A/c compressor clutch coil
• Accessory power receptacle (regal)
• Ashtray lamp (century)
• Automatic transaxle control position indicator bulb (regal)
• Battery
• Blower motor control module
• Blower motor resistor
• Brake fluid level indicator switch
• C11
• C60/cj3
• Century
• Cigar lighter (century)
• Cigar lighter (regal)
• Cj2
• Console compartment lamp (regal)
• Cool fan 2 relay
• Data link connector
• Door lock relay
• Engine coolant level indicator module
• Engine oil level indicator switch
• Engine oil pressure indicator switch
• F/pump relay
• G101 (right side of engine compartment, at base of battery)
• G102 (at base of left strut tower)
• G108 (left side of front end upper tie bar)
• G109 (right side of front end upper tie bar)
• G120 (regal) (right side of engine)
• G129 (century) (on transaxle stud)
• G129 (on transaxle stud)
• G201 (behind right side of i/p compt)
• G202 (on steering column)
• Heated oxygen sensor 1
• Heated oxygen sensor 2
• Heater a/c control
• Horns
• I/p compartment lamp switch
• Ign main relay
• Ignition control module
• Inflatable restraint sensing and diagnostic module
• Inflatable restraint steering wheel coil
• Left cornering lamp (regal)
• Left electric actuator
• Left engine coolant fan motor
• Left fog lamp (regal)
• Left headlamp
• Left park/ turn lamp
• Left side marker lamp
• Mass air flow sensor
• Nca
• Power drop connector
• Powertrain control module
• Radio control switches
• Regal
• Right cornering lamp (regal)
• Right electric actuator
• Right engine coolant fan motor
• Right fog lamp (regal)
• Right headlamp
• Right park/ turn lamp
• Right side marker lamp
• S105
• S106
• S123 (forward lamp harn, bhind right headlamp)
• S124 (forward lamp harn, below left headlamp)
• S230 (i/p harness, 18 cm from radio breakout)
• S284
• S295
• S335
• Steering column electric park lock
• Tranaxle range switch
• Underhood electrical center
• Underhood lamp
• Windshield washer pump
• Windshield washer solvent level switch
• Windshield wiper motor

Ground Distribution Wiring Diagram (2 of 2) for Buick Regal LS 1997

List of elements for Ground Distribution Wiring Diagram (2 of 2) for Buick Regal LS 1997:

• (body harness, 4 cm from right rear speaker breakout)
• (body harness, below driver's seat)
• (body harness, right side of trunk)
• (chmsl harness, 5 cm from chmsl breakout)
• (courtesy lamp harness, 50 cm from right sunshade mirror)
• (driver's seat harn, below driver's seat)
• (left tail lamp harn)
• (right front door harness, 8 cm from window switch breakout)
• (right tail lamp harness)
• A12
• Body control module
• C201
• Center high mounted stop lamps
• Cruise control module
• Data link connector
• Daytime running lamp control module
• Driver information display switch
• Driver seat adjuster switch
• Driver seat back cushion cover
• Driver seat cushion cover
• Driver seat heater control module
• Driver seat heater switch
• Electronic brake traction control module
• Electronic traction control switch
• Fog lamp switch
• Fuel pump
• Fuel tank
• Fuse block
• G202 (below i/p, left side of steering column)
• G202 (below i/p, right side of steering column)
• G309 (left front door sill)
• G313 (right side of rear shelf)
• G400 (left front side of trunk)
• Hazard lamp/ turn signal lamp flasher
• Headlamp dimmer switch
• Headlamp switch
• Ignition key alarm switch
• Inside rearview mirror (day-night)
• Inside rearview mirror (lighted)
• Instrument cluster
• Left backup lamp
• Left front door lock
• Left front door lock switch
• Left front window switch
• Left outside rearview mirror
• Left rear door lock
• Left rear park lamp
• Left rear side marker lamp
• Left roof rail courtesy/ reading lamp
• Left sunshade mirror lamp
• Left tail/ stop/turn signal lamp
• Low tire reset switch
• Nca
• Outside remote control rearview mirror switch
• Passenger seat adjuster switch
• Passenger seat back cushion cover
• Passenger seat cushion cover
• Passenger seat heater control module
• Passenger seat heater switch
• Performance shift switch
• Rear compartment lid release actuator
• Rear compartment lid release switch
• Rear license lamp
• Rear window defogger grid
• Remote control door lock receiver
• Right backup lamp
• Right front door lock
• Right front door lock switch
• Right front window switch
• Right outside rearview mirror
• Right rear door lock
• Right rear park lamp
• Right rear side marker lamp
• Right roof rail courtesy/ reading lamp
• Right sunshade mirror lamp
• Right tail/ stop/turn signal lamp
• S211 (i/p harness, 20 cm from i/p breakout)
• S283 (i/p harness, 4 cm from headlamp switch breakout)
• S303
• S330 (driver's seat harn, below driver's seat)
• S333
• S385
• S402
• S403
• S406
• S414
• S416
• S430
• S604
• Seat belt switch
• Sunroof module
• Tan
• W/ dc4
• W/ dd8

HEADLIGHTS

Headlamps/Fog Lamps Wiring Diagram for Buick Regal LS 1997

List of elements for Headlamps/Fog Lamps Wiring Diagram for Buick Regal LS 1997:

• (i/p harn, right side of steering column approx 23cm from cluster breakout) s221
• (upper left radiator support)
• (upper right radiator support)
• A10
• B7 pnk
• Body control module (left of steering column)
• Daytime running lamps ambient light sensor (top right side of i/p)
• Daytime running lamps control module (left of steering column)
• Drl fuse 10a
• E1 c2
• E11
• Exterior lights system
• F10
• F2 c3
• Flash
• Fog lamp switch
• Fog lp ctrl
• Fog lp relay
• Frt park lps fuse 10a
• Fuse block (right side of i/p)
• Fused batt
• Fused ign 1
• Fused ign 3
• G108
• G109
• G204 (left side of steering column)
• Gnd
• Hdlp l fuse 15a
• Hdlp r fuse 15a
• Head
• Headlamp dimmer switch
• Headlamp sw out
• Headlamp switch
• High
• High beam indicator
• Hot at all times
• Hot in run
• Hot in run or start
• Hvac fuse 10a
• Illum
• Instrument cluster
• Interior lights system
• Left fog lamp
• Left headlamp assembly
• Left high beam headlamp
• Left low beam headlamp
• Lf turn-sig feed
• Lf turn-sig sw out
• Light sensor gnd
• Light sensor in
• Low
• Lp park fuse 20a
• Off
• P-brake in
• P-brake sw alarm
• Park
• Park brake indicator switch
• Park lamp sw out
• Park lp off in
• Pnk
• Radio- hvac fuse 15a
• Rf turn-sig feed
• Rf turn-sig sw out
• Right fog lamp
• Right headlamp assembly
• Right high beam headlamp
• Right low beam headlamp
• S123
• S124
• S202
• S277 (i/p harn, right side of steering column approx 4cm from splice pack breakout)
• S283
• Underhood electrical center
• Underhood electrical center (right side of engine compt)
• Warning system (body control module)

HORN

Horn Wiring Diagram for Buick Regal LS 1997

List of elements for Horn Wiring Diagram for Buick Regal LS 1997:

• (behind right side of front bumper)
• (steering column)
• Body control module (bcm)
• G109 (right side of front end upper tie bar)
• G201 (behind right side of dash)
• High note horn
• Horn fuse 15a
• Horn out- put
• Horn relay
• Horn switch
• Horns
• Hot at all times
• Inflatable restraint steering wheel module
• Low note horn
• Red
• S123
• S230
• Slip ring
• Turn signal cancel cam
• Turn signal switch
• Underhood electrical center (mounted on right front strut tower)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Buick Regal LS 1997

List of elements for Instrument Cluster Wiring Diagram for Buick Regal LS 1997:

• (i/p harn, 4 cm from ebtcm breakout)
• (left side of i/p) g202
• (not used)
• (on transaxle stud) g129
• A10
• A11
• A12
• Air bag ind
• Antilick ind ctrl
• Antilock ind
• B10
• B11
• B12
• Battery
• Body control module (left side of i/p)
• Brake fluid level indicator switch (in brake fluid reservoir)
• Brake ind
• Brake ind ctrl
• Change oil soon ind
• Change oil soon ind ctrl
• Charge ind
• Charge ind ctrl
• Cluster fuse 10a
• Coolant temp ind
• Coolant temp ind ctrl
• Coolant temperature gauge
• Crank
• Crank signal fuse 10a
• Cruise control module (left side of engine compt)
• Cruise ind
• Cruise ind ctrl
• D12
• Data link connector (left side of i/p)
• Door ajar ind
• Door ajar ind ctrl
• Driver information display switch
• E/m
• Electronic brake/traction control module (left side of i/p)
• Engine controls system
• Engine coolant level indicator module (right side of radiator)
• Exterior lights system
• Fuel gauge
• Fuse block
• G102 (base of left front strut tower)
• G201 (behind right side of i/p)
• G202 (below i/p, right of steering column)
• Ground
• Heater-a/c control
• High beam ind
• Hot at all times
• Hot in off, run or start
• Hot in run, bulb test and start
• Hot in start
• Ign
• Ign 0 fuse 10a
• Illumination
• Instrument cluster
• Interior lights system
• Left turn ind
• Left turn lamp ctrl
• Low coolant ind
• Low fuel ind
• Low fuel ind ctrl
• Low oil ctrl
• Low oil ind
• Low tire ind
• Low tire ind ctrl
• Low trac ind
• Low trac ind ctrl
• Low washer fluid signal
• Low washer ind
• Low washer ind ctrl
• Malfunction indicator lamp
• Mode
• Oil pres ind ctrl
• Oil pressure ind
• Perf shift ind
• Perf shift ind ctrl
• Pk lps
• Pnk
• Powertrain control module (left front of engine)
• Prndl position ind ctrl
• Radio, hvac rfa fuse 15a
• Reset
• Right turn ind
• Right turn lamp ctrl
• S106
• S202
• S211
• S230
• S234
• S270
• S281 (i/p harn, right of steering column)
• S283
• S284
• S286
• Seat belt ind
• Seat belt ind ctrl
• Security ind
• Security ind ctrl
• Serial data
• Service vehicle soon ind
• Service vehicle soon ind (amber)
• Service vehicle soon ind ctrl
• Speedometer
• Splice pack (sp205) (below i/p right of steering column)
• Tachometer
• Trac off ind
• Trac off ind ctrl
• Vss signal
• Windshield washer solvent level switch (left front of engine compt)

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Buick Regal LS 1997

List of elements for Courtesy Lamps Wiring Diagram for Buick Regal LS 1997:

• (body harn, below right front seat) s322
• (body harn, under right front door pillar)
• (dd8) (dc4)
• (dd8) (dc4) b
• (i/p harn, right side of i/p)
• (i/p harn, right side of steering column)
• (quarter courtesy and reading lamp harn, approx 5 cm from left roof rail courtesy/reading lamp breakout)
• Body control module (bcm) (left side of i/p)
• C16
• Console compartment lamp
• Console compartment lamp switch
• Court lps (grd)
• Court lps on
• D15
• D16
• Dome
• Dome lamp
• Door ajar
• Driver dr ajar
• Exterior lights system
• Frt park lps fuse 10a
• Fuse block
• G102 (base of left strut tower)
• G201 (right side of i/p compt)
• G202 (below i/p, left side of steering column)
• G309 (left front door sill)
• G313 (right side of rear shelf)
• Head
• Headlamp switch
• Hot at all times
• I/p compart- ment lamp switch
• Inside rear view mirror
• Left front door ajar indicator switch
• Left front door courtesy lamp (2 bulbs)
• Left i/p courtesy lamp
• Left rear door ajar indicator switch
• Left roof rail courtesy/ reading lamp
• Left sunshade mirror lamp
• Lp park fuse 20a
• Off
• Panel dimming fuse 7.5a
• Park
• Rear compartment lamp
• Rear compartment courtesy lamp switch
• Right front door ajar indicator switch
• Right front door courtesy lamp (2 bulbs)
• Right i/p courtesy lamp
• Right rear door ajar indicator switch
• Right roof rail courtesy/ reading lamp
• Right sunshade mirror lamp
• S214
• S230
• S235
• S267
• S277
• S283
• S284
• S303
• S320 (body harn, below right front seat)
• S321
• S384 (quarter courtesy and reading lamp harn, approx 25 cm from left sunshade mirror breakout)
• S385
• S386 (quarter courtesy and reading lamp harn, approx 125 cm from left sunshade mirror breakout)
• S387
• S430
• S504
• S604
• Tail lamps fuse 15a
• Theater dim (grd)
• Theater dim 1
• Theater dim 2
• Trunk ajar (bat)
• Under- hood lamp
• Underhood electrical center

Instrument Illumination Wiring Diagram for Buick Regal LS 1997

List of elements for Instrument Illumination Wiring Diagram for Buick Regal LS 1997:

• (body harn, below right front seat) s302
• (i/p harn, right of steering column) s277
• (i/p harn, right side of i/p)
• Ashtray lamp (century)
• Automatic transaxle control position indicator bulb
• Dimmer switch
• Driver seat heater switch
• E16
• Electronic traction control switch (regal)
• Fog lamp switch
• Fuse block
• G201 (behind right side of i/p compt)
• G202 (below i/p, left side of steering column)
• G202 (below i/p, right side of steering column)
• G309 (left front door sill)
• Grd
• Head
• Headlamp switch
• Heater- a/c control
• Hot at all times
• Illum
• Inflatable restraint steering wheel coil
• Instrument cluster
• Left door lock switch
• Left front window switch
• Lp park fuse 20a
• Nca
• Off
• Outside remote control rear view mirror switch
• Panel dimming fuse 7.5a
• Park
• Passenger seat heater switch
• Radio
• Radio control switches
• Right door lock switch
• Right front window switch
• S211
• S230
• S241 (i/p harn, below radio)
• S267
• S283
• S295
• S303
• 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 lamps fuse 15a
• Underhood electrical center
• Vf dim dis sig
• Vf dim sig

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 3) for Buick Regal LS 1997

List of elements for Power Distribution Wiring Diagram (1 of 3) for Buick Regal LS 1997:

• (body harn, right floor near passen- ger's seat)
• (i/p harness, 21 cm from bulkhead grommet) s275
• (i/p harness, right of steering column)
• A/c clu fuse 10a
• A/c clu relay
• Abs-bcm fuse 10a
• Accessory power receptacle
• B (century) (regal) c
• B12
• Bat 2 maxi fuse 60a
• Bat 3 maxi fuse 60a
• Battery
• Blower motor control
• Blower motor control module
• Blower motor resistor
• Body control module
• C12
• C201
• C60/cj3
• Century
• Cigar lighter
• Cigar ltr fuse 15a
• Cj2
• Cool fan 1 maxi fuse 40a
• Cool fan 1 relay
• Cool fan 2 maxi fuse 30a
• Cool fan 2 relay
• Cool fan 3 relay
• Crank maxi fuse 40a
• Crank relay
• Data link connector
• Daytime running lamp control module
• Door lock relay
• Door locks fuse 20a
• Driver seat heater control module
• Ecm fuse 10a
• Electronic brake control module/ electronic brake traction control module
• Electronic brake control relay
• F/pmp fuse 15a
• F/pmp relay
• From a remote battery stud (diagram 1 of 3)
• From bat 2 maxi fuse (diagram 1 of 3)
• Fuse block
• Fusible link (10 ga-rust)
• G201 (behind right side of i/p)
• Gen fuse 10a
• Generator
• Hazard fuse 15a
• Hdlp l fuse 15a
• Hdlp r fuse 15a
• Headlamp switch
• Heater- a/c control
• High blower fuse 25a
• Horn fuse 15a
• Horn relay
• Inadv power bus fuse 15a
• Instrument cluster
• Left headlamp
• Left heated seat fuse 15a
• Lp park fuse 20a
• Mobile telephone amplifier
• Mobile telephone handset
• Nca
• Outside remote control rearview mirror switch
• Passenger seat heater control module
• Power mirrors fuse 10a
• Power seats circuit breaker 30a
• Powertrain control module
• R/cmpt rel fuse 7.5a
• Radio
• Radio- hvac fuse 15a
• Rear defogger circuit breaker 30a
• Rear window defogger relay
• Red
• Regal
• Remote battery stud
• Remote control door lock receiver
• Right headlamp
• Right heated seat fuse 15a
• S202
• S230
• S269 (i/p harness, near blower motor)
• S319
• S335
• S336
• Starter
• Stop lamps fuse 15a
• To accessory time delay relay (diagram 2 of 3)
• To hdlp l fuse (diagram 1 of 3)
• To high blower fuse (diagram 1 of 3)
• To ign 2 maxi fuse (diagram 2 of 3)
• Transaxle range switch
• Turn signal switch
• Underhood electrical center

Power Distribution Wiring Diagram (2 of 3) for Buick Regal LS 1997

List of elements for Power Distribution Wiring Diagram (2 of 3) for Buick Regal LS 1997:

• (body harness, top of floor tunnel between front seats)
• (body harness, under left side of rear seat)
• (cj2)
• (cj2) (c60/cj3)
• (i/p harn, behind right side of i/p)
• (i/p harness, 4 cm from radio breakout)
• (i/p harness, near blower motor)
• (i/p harness, near steering column)
• (i/p harness, right side of steering column)
• A nca
• Accessory time delay relay (behind i/p compt, under- side of cross- car beam)
• Accy
• Automatic transaxle control
• Bcm fuse 25a
• Body control module
• Body control module (below left side of i/p)
• Bulb test
• C13
• C201
• C205
• C5 c (c60/cj3)
• Crank signal fuse 10a
• Cruise control module
• Cruise control release switch
• Cruise control switch
• Cruise fuse 10a
• Daytime running lamp control module
• Driver seat heater switch
• From gen d fuse (diagram 1 of 3)
• From ignition switch (diagram 2 of 3)
• From inadv power bus fuse (diagram 1 of 3)
• Fuse block
• Heater- a/c control
• Hvac fuse 10a
• Ign 0 fuse 10a
• Ign1 maxi fuse 30a
• Ign2 maxi fuse 40a
• Ignition switch
• Inflatable restraint steering wheel coil
• Inside rearview mirror
• Instrument cluster
• Left electric actuator
• Left front window
• Lock
• Low blower fuse 20a
• Mobile telephone handset
• Nca
• Nca a
• Off
• Park lock fuse (regal) 10a
• Passenger seat heater switch
• Pnk
• Power drop fuse 10a
• Powertrain control module
• Pwr windows pwr sunroof circuit breaker 30a
• Radio
• Radio control switches
• Radio fuse (w/o rap) 2a
• Radio fuse 2a
• Rear window defogger relay
• Red
• Right electric actuator
• Run
• S220
• S233
• S234
• S240
• S249
• S263
• S270
• S323
• S410
• Start
• Sunroof module
• To abs fuse (diagram 3 of 3)
• To crank signal fuse (diagram 2 of 3)
• To ign main relay (diagram 3 of 3)
• To low blower fuse (diagram 2 of 3)
• Under- hood electrical center
• Underhood electrical center
• Vacuum electric solenoid
• W/ rap
• W/o rap
• Windshield wiper motor switch
• Windshield wiper/washer switch
• Wiper fuse 25a

Power Distribution Wiring Diagram (3 of 3) for Buick Regal LS 1997

List of elements for Power Distribution Wiring Diagram (3 of 3) for Buick Regal LS 1997:

• (century)
• (engine harn, top left of engine) (regal) (injector harn, 2 cm from injector 2 breakout) (century)
• (i/p harness, right of steering column)
• (i/p harness, right side of dash)
• (regal)
• A/c clu relay
• Abs fuse 10a
• Air bag fuse 15a
• Automatic transaxle
• Automatic transaxle control
• B12
• Body control module
• Btsi park lock fuse 10a
• C12
• C201
• Cluster fuse 10a
• Crank relay
• Daytime runnning lamp control module
• Drl fuse 10a
• Electronic brake control module/ electronic brake traction control module
• Electronic brake control relay
• Electronic traction control switch
• Elek ign fuse 15a
• Eng emis fuse 10a
• Evaporative emissions canister purge solenoid valve
• Evaporative emissions canister purge vacuum switch
• Evaporative emissions canister vent solenoid valve
• Exhaust gas recirculation valve
• F/injr fuse 15a
• From ign1 e maxi fuse (diagram 2 of 3)
• From ignition switch (diagram 2 of 3)
• Fuel injector
• Fuse block
• G129 (on transaxle)
• Heated oxygen sensor 1
• Heated oxygen sensor 2
• Ign main relay
• Ignition control module
• Inflatable restraint sensing and diagnostic module
• Instrument cluster
• Mass air flow sensor
• Nca
• Oxy sen fuse 15a
• Pcm-bcm fuse 10a
• Pnk
• Powertrain control module
• S106
• S109
• S228
• S287
• Stop lamp switch
• Supercharger bypass valve (3.8l vin 1)
• Trans fuse 10a
• Turn signals fuse 10a
• Underhood electrical center

POWER DOOR LOCKS

Power Door Lock Wiring Diagram for Buick Regal LS 1997

List of elements for Power Door Lock Wiring Diagram for Buick Regal LS 1997:

• (body harn, center floor on left side of tunnel) s315
• (body harness, below right door speaker, 44cm from power door breakout) s314
• Abs-bcm fuse 10a
• All drs lock
• Battery
• Battery (b+)
• Body control module (behind left side of dash, left side of steering column)
• C14
• C15
• D12
• D13
• Door lock fuse 20a
• Door lock relay (behind dash, attached to cross- car body beam)
• Doors lock
• Doors unlock
• Driver unlk
• Fuse block (right side of dash)
• G201 (behind right side of dash)
• G204 (behind dash, left side of steering column)
• G205 (behind dash, right side of steering column)
• G309 (left front door sill)
• Ground
• Hot at all times
• Interior lights system
• Left front door lock actuator
• Left front door lock switch
• Left rear door lock actuator
• Lock
• Pass drs unlk
• Radio-hvac fuse 15a
• Remote control door lock receiver (rke) (left side of dash, right side of cluster)
• Rfa link
• Right front door lock actuator
• Right front door lock switch
• Right rear door lock actuator
• Rr lid release
• S202
• S211
• S230
• S269
• S283
• S303
• S504
• Tan
• Trunk, tailgate, fuel doors system
• Unlock

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for Buick Regal LS 1997

List of elements for Electrochromic Mirror Wiring Diagram for Buick Regal LS 1997:

• A6 c2
• Ambient sensor (wind- shield side)
• B c1
• Exterior lights system
• F c1
• F1 c1
• Fuse block
• G313 (right side of rear shelf)
• Gnd
• Headlight sensor (mirror side)
• Hot at all times
• Hot in run
• Hvac fuse 10a
• Inside rear- view mirror (electro- chromic)
• Interior lights system
• Left mirror switch
• Mirror on
• Off
• R/cmpt rel fuse 7.5a
• Reset to daytime high reflectivity in reverse
• Right mirror switch
• S233 (w/o heated seats)
• S323 (w/ heated seats)
• S385
• Solid state
• Transaxle range switch (left of engine, on trans)
• Underhood (uh) electrical center

Power Mirrors Wiring Diagram for Buick Regal LS 1997

List of elements for Power Mirrors Wiring Diagram for Buick Regal LS 1997:

• Ecb
• Fuse block
• G309 (left front door sill)
• Hot at all times
• Interior lights system
• Left mirror
• Left outside rearview mirror
• Mirror motor pack
• Nca
• Outside remote control rearview mirror switch
• Power mirrors fuse 10a
• Right mirror
• Right outside rearview mirror
• Right/ left motor
• S504
• Up/ down motor

POWER SEATS

6-Way Power Seat Wiring Diagram for Buick Regal LS 1997

List of elements for 6-Way Power Seat Wiring Diagram for Buick Regal LS 1997:

• (left front door sill)
• Back
• Down
• Driver seat adjuster motor assembly
• Driver seat adjuster switch
• Entire seat
• For- ward
• Front height
• Front vertical adjuster motor
• Fuse block
• G309
• Horizontal adjuster motor
• Hot at all times
• Nca
• Passenger seat adjuster motor assembly
• Passenger seat adjuster switch
• Power seats circuit breaker 30a
• Rear height
• Rear vertical adjuster motor
• S303
• S326
• S330
• Tan

Heated Seats Wiring Diagram for Buick Regal LS 1997

List of elements for Heated Seats Wiring Diagram for Buick Regal LS 1997:

• (driver)
• (pass)
• Fuse block
• G309 (left front door sill)
• Ground
• Heated seat switch
• Heated seat thermistor
• Hot at all times
• Hot in run
• Hvac fuse 10a
• Interior lights system
• Lh heated seat fuse 15a
• Lo/hi input
• Nca
• On input
• Pnk
• Rh heated seat fuse 15a
• S303
• S323
• S330 (driver) s333 (pass)
• Seat back cushion cover
• Seat back heated seat element
• Seat cushion cover
• Seat cushion heated seat element
• Seat heater control module
• Sensor input

POWER TOP/SUNROOF

Sunroof Wiring Diagram for Buick Regal LS 1997

List of elements for Sunroof Wiring Diagram for Buick Regal LS 1997:

• Battery
• Close
• Fuse block (right side of i/p)
• G313 (right side of rear shelf)
• Gnd
• Hot w/ acc time delay (rap) relay energized
• Limit switch module (center rear of sunroof module)
• Ls1
• Ls2
• Ls3
• Nca
• Open
• Pos 1
• Pos 2
• Pos 3
• Power windows system
• Pwr windows pwr sunroof circuit breaker 30a
• Red
• S410
• S414
• Sunroof actuator (center rear of sunroof header)
• Sunroof module (right rear of sunroof module)
• Sunroof switch

POWER WINDOWS

Power Window Wiring Diagram, 4 Door for Buick Regal LS 1997

List of elements for Power Window Wiring Diagram, 4 Door for Buick Regal LS 1997:

• (buick)
• (buick: body harn, on floor under driver's seat)
• (chev: crossbody harn below right front seat)
• (olds: crossbody harn, below left front seat)
• (pont, chev)
• (pont: body harn, on floor near center of vehicle)
• Buick
• Chev
• Down
• Ecb
• Express
• Express down module
• Fuse block (right side of i/p)
• G309 (inside left front door sill)
• Hot in acc, run or during rap
• Hot in run
• 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
• Pont
• Power window circuit breaker c 20a
• Pwr wdo circuit breaker 30a
• 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 (w/ sunroof)
• S504
• S604
• Tan

RADIO

Radio Wiring Diagrams for Buick Regal LS 1997

List of elements for Radio Wiring Diagrams for Buick Regal LS 1997:

• A c2
• Ant in
• Antenna module
• B c2
• Bare
• Battery
• Cd changer fuse 10a
• Cd com
• Cd in
• Data link connector (right of steering column)
• Dimmer sig
• Drain
• E & c data
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Fixed mast antenna
• Fuse block
• Fused feed
• G202 (behind dash, right of steering column)
• Ground
• Hot at all times
• Hot in run, acc or w/ retained accessory power
• Inflatable restraint steering wheel control module
• Interior lights system
• Left front door speaker
• Left front tweeter
• Left rear speaker
• Left steering wheel radio controls
• Lf spkr
• Lr spkr
• Lt cd sig
• Nca
• Radio
• Radio antenna module (on rear window header panel)
• Radio fuse 2a
• Radio pwr
• Radio, hvac fuse 15a
• Rap pwr
• Rear window antenna grid
• Remote cd player
• Rf spkr
• Right front door speaker
• Right front tweeter
• Right rear speaker
• Right steering wheel radio controls
• Rr spkr
• Rt cd sig
• S202
• S239
• Strg ctrl
• Sw 1
• Sw 2
• Sw 3
• Sw 4
• Sw 5
• Sw 6
• Sw 7
• Sw 8
• Tan

SHIFT INTERLOCKS

Shift Interlock Wiring Diagram for Buick Regal LS 1997

List of elements for Shift Interlock Wiring Diagram for Buick Regal LS 1997:

• (on transaxle stud)
• A12
• Automatic transaxle control (btsi) (center of console assembly)
• Automatic transmission shift lock control actuator (btsi) (underside of steering column)
• Btsi park lock fuse 10a
• Btsi solenoid
• C 1995 vftc
• C11
• Fuse block (right side of dash, in right door opening)
• G129
• Hot in run, bulb test or start
• Park lock solen- oid
• Pnk
• Pnk a
• Regal century
• Stop lamp switch (open when brake pedal depressed) (right side of brake pedal bracket)
• Transaxle range switch (left of engine on transaxle)
• Underhood (uh) electrical center

STARTING/CHARGING

Charging Wiring Diagram for Buick Regal LS 1997

List of elements for Charging Wiring Diagram for Buick Regal LS 1997:

• (lower left front of engine, on transaxle stud)
• (not used) p
• (right side of eng. compt., base of battery)
• A8 c1
• B12
• B35
• Battery
• Charge ind
• Class 2 data
• Cluster fuse 10a
• Fuse block
• Fusible link (10 ga- rust)
• G101
• G129
• Gen fuse 10a
• Generator
• Generator control
• Generator f terminal
• Hot at all times
• Hot in run, bulb test or start
• Instrument cluster
• Pnk
• Power distribution system
• Powertrain control module (air cleaner assembly)
• Red
• Solid state
• Splice pack (sp205) (below dash, right of steering column)
• Starter solenoid
• Underhood electrical center

Starting Wiring Diagram for Buick Regal LS 1997

List of elements for Starting Wiring Diagram for Buick Regal LS 1997:

• (lower left front of engine, on transaxle stud)
• Accy
• B red
• B12
• Battery
• Bulb test
• Crank maxifuse 40a
• Crank relay
• Crank signal
• Crank signal fuse 10a
• F10
• Fuse block
• G101
• G129
• Hold- in coil
• Hot at all times
• Ign main 1 maxifuse 40a
• Ignition switch
• Lock
• Off
• Pcm- bcm fuse 10a
• Pnk
• Powertrain control module (air cleaner assembly)
• Pull- in coil
• Remote battery stud
• Run
• S228
• S234
• Start
• Starter enable relay driver
• Starter motor
• Starter solenoid
• Transaxle range switch (on transaxle)
• Underhood electrical center

SUPPLEMENTAL RESTRAINTS

Supplemental Restraint Wiring Diagram for Buick Regal LS 1997

List of elements for Supplemental Restraint Wiring Diagram for Buick Regal LS 1997:

• Air bag fuse 15a
• Air bag indicator
• B12
• Belt sw
• Body control module (below left side of i/p)
• C11
• Cluster fuse 10a
• Data line
• Data link connector (below left side of i/p)
• Driver hi
• Driver lo
• Fuse block (right side of i/p)
• G201 (below right side of i/p compt)
• G309 (left front door sill)
• Ground
• Hot in run, bulb test or start
• Ignition
• Indicator
• Inflatable restraint i/p module
• Inflatable restraint sensing and diagnostic module (under right front seat)
• Inflatable restraint steering wheel module
• Instrument cluster
• Nca
• Nca b
• Pass hi
• Pass lo
• Pnk
• S330 (driver's seat harn, below driver's seat)
• Seat belt switch (inside right half of drivers seat belt)
• Shorting bar
• Steering wheel module coil
• Tan

TRANSMISSION

3.8L

3.8L (VIN 1), Transmission Wiring Diagram, 4T65-E for Buick Regal LS 1997

List of elements for 3.8L (VIN 1), Transmission Wiring Diagram, 4T65-E for Buick Regal LS 1997:

• (eng harn, approx 19 cm from transaxle conn breakout)
• (eng harn, approx 6 cm from tps breakout)
• (eng harn, top rear of eng approx 4 cm from 10-pin conn breakout)
• 1-2 shift sol
• 2-3 shift sol
• 5v reference a
• A/t iss sensor hi
• A/t iss 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, ign main relay & crank relay
• Body control module & instrument cluster
• Cluster fuse 10a
• Data class ii
• Data link connector (partial) (below dash, right of steering column)
• Ecm fuse 10a
• Ect sensor in
• Eng emis fuse 10a
• Engine controls system
• Engine coolant temperature sensor (below throttle body)
• Fuse block
• G129 (lower left side of engine on transaxle stud)
• Hot at all times
• Hot in run, bulb test or start
• Ign 0 fuse 10a
• Ignition 1 in
• Ignition wake up
• Instrument cluster
• Malfunction indicator lamp
• Mil ctrl
• Pc sol hi
• Pc sol lo
• Pcm ground
• Pcm-bcm fuse 10a
• Pnk
• Powertrain control module (in engine air cleaner assembly)
• Pressure control sol
• Red
• Rev
• S105
• S106
• S107
• S121
• S122
• S270
• Sensor return
• Splice pack sp205 (below dash, right of steering column)
• Stop lamp switch
• Tan
• Tcc pwm sol
• Tcc release
• Tcc release in
• Tcc/ brake switch
• Tcc/brake sw in
• Tft sensor in
• Throttle position sensor
• Tp sensor in
• Tr sw in-a
• Tr sw in-b
• Tr sw in-p
• Tr sw inc
• Trans fuse 10a
• Trans range a in
• Trans range b in
• Trans range c in
• Transaxle range switch (left side of engine compt on transaxle)
• Underhood electrical center
• Vehicle speed sensor (lower right rear of engine compt on transaxle)
• Vss hi in
• Vss lo in

3.8L (VIN K), Transmission Wiring Diagram, 4T60-E for Buick Regal LS 1997

List of elements for 3.8L (VIN K), Transmission Wiring Diagram, 4T60-E for Buick Regal LS 1997:

• (eng harn, approx 19 cm from transaxle conn breakout)
• (eng harn, approx 6 cm from tps breakout)
• (eng harn, top rear of eng approx 10 cm from 10-pin conn breakout)
• 1-2 shift sol
• 2-3 shift sol
• 5v reference a
• Automatic transaxle (4t60-e)
• Automatic transaxle fluid temperature sensor
• B12
• Battery in
• Body control module
• Body control module & instrument cluster
• Cluster fuse 10a
• Data class ii
• Data link connector (partial) (below dash, right of steering column)
• Ecm fuse 10a
• Ect sensor in
• Eng emis fuse 10a
• Engine controls system
• Engine coolant temperature sensor (below throttle body)
• Fuse block
• G129 (lower left side of engine on transaxle stud)
• Hot at all times
• Hot in run, bulb test or start
• Ign 0 fuse 10a
• Ignition 1 in
• Ignition wake up
• Instrument cluster
• Malfunction indicator lamp
• Mil ctrl
• Pcm ground
• Pcm-bcm fuse 10a
• Pnk
• Powertrain control module (in engine air cleaner assembly)
• Red
• S105
• S106
• S107
• S121
• S122
• S270
• Sensor return
• Splice pack sp205 (below dash, right of steering column)
• Stop lamp switch
• Tan
• Tcc pwm sol
• Tcc sol
• Tcc/ brake switch
• Tcc/brake sw in
• Tft sensor in
• Throttle position sensor
• To: crank relay & ign main relay
• Tp sensor in
• Tr sw in-a
• Tr sw in-b
• Tr sw in-p
• Tr sw inc
• Trans fuse 10a
• Transaxle range switch (left side of engine compt on transaxle)
• Underhood electrical center
• Vehicle speed sensor (lower right rear of engine compt on transaxle)
• Vss hi in
• Vss lo in

TRUNK, TAILGATE, FUEL DOOR

Trunk Release Wiring Diagram for Buick Regal LS 1997

List of elements for Trunk Release Wiring Diagram for Buick Regal LS 1997:

• C1 c
• C2 b9
• F9 c1
• G313 (right side of rear shelf)
• Hot at all times
• R/cmpt rel fuse 7.5a
• Rear compart- ment lid lock release actuator (mounted to rear compt lid)
• Rear compartment lid release relay (behind i/p compt, on underside of cross car-beam)
• Remote control door lock receiver (above right side of i/p)
• S430
• Transaxle range switch (left of engine, on transaxle)
• Underhood (u/h) electrical center (right side of engine compt)

WARNING SYSTEMS

Warning System Wiring Diagrams for Buick Regal LS 1997

List of elements for Warning System Wiring Diagrams for Buick Regal LS 1997:

• (below left side of i/p) electronic brake traction control module (ebtcm)
• (body harn, on floor, under passenger's seat) s322
• (left side of engine, in air cleaner) powertrain control module (pcm)
• (low tire) serial data class
• (seat belt) serial data class
• (w/ heated seats)
• (w/o heated seats) s303
• Accessory
• Ajar
• B10
• B12
• Bcm fuse 10a
• Body control module (bcm) (below left side of i/p, left of steering column)
• C11
• C12
• C13
• C16
• Cluster fuse 10a
• Computer data lines system
• Crank
• Crank signal fuse 10a
• Ctsy
• D16
• Daytime running lamp control module (below left side of i/p)
• Door ajar
• Driver's seat belt switch
• Fuse block
• G202 (below i/p, right side of steering column)
• G309 (left front door sill)
• Ground
• Head
• Headlamp switch
• Hot at all times
• Hot in accy
• Hot in off,
• Hot in run, bulb test or start
• Hot in start
• Ign 0 fuse 10a
• Igni- tion
• Ignition 0
• Ignition 1
• Ignition switch (key in ignition switch)
• Instrument cluster
• Interior lights system
• Key in ign
• Left front door lock (ajar indicator switch)
• Lp park fuse 20a
• Nca
• Off
• Or run
• P/b input
• P/b switch signal alarm
• Park
• Park brake (ign 1)
• Park brake indi- cator switch
• Park lp off gnd
• Pcm-bcm fuse 10a
• Pnk
• Run or start
• S211
• S234
• S270
• S330
• S504
• Seat belt switch (ign 1)
• Serial data class
• Serial data class 2
• Splice pack sp205 (below i/p right side of steering column)
• Tan
• Tire infla- tion reset switch
• Tire inflation reset switch (in fuse block)
• Under- hood (u/h) elec- trical center

WIPER/WASHER

Wiper/Washer Wiring Diagram for Buick Regal LS 1997

List of elements for Wiper/Washer Wiring Diagram for Buick Regal LS 1997:

• Fuse block (behind right side of dash)
• G102 (base of left strut tower)
• G201 (behind right side of dash)
• Hot in acc or run
• Mist
• Off
• Pulse
• Red
• S230
• S249
• S284
• Washer switch
• Windshield washer pump
• Windshield wiper motor
• Windshield wiper/washer switch
• Wiper fuse 25a
• Wiper switch