Diagram sections — 30 (46 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY COMPUTER COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCKS STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
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: 74 (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: 29 (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: 58 (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: 83 (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: 41 (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: 89 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: 23 (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: 21 (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: 40 (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: 28 (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: 28 (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: 80 (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: 49 (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: 70 (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: 71 (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: 49 (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: 67 (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: 13 (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: 80 (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: 85 (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: 94 (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: 75 (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: 21 (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
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Buick Regal LS 1997 List of elements for Courtesy Lamps Wiring Diagram for Buick Regal LS 1997: 74 (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: 52 (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: 94 (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: 86 (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: 55 (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: 46 (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: 27 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: 16 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: 23 (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: 26 (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: 23 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: 41 (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: 71 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: 18 (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: 29 (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: 34 (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: 32 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: 74 (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: 63 (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: 12 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: 72 (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: 17 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
