Разделы схем — 30 (всего 53)
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 Automatic A/C Wiring Diagram (1 of 2) for Buick Regal LS 2000 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Buick Regal LS 2000: 71 (dash harn, 18 cm from radio breakout) s230 (dash harn, 4 cm from breakout to radio) (dash harn, 4 cm from radio breakout) (on right side of of hvac module) vacuum/ electric solenoid (right side of dash) g201 +5 v A/c sol ctrl A/c solenoid Ambient air temperature gauge sensor (behind front facia, mounted to radiator air baffle) Battery Bi-lev sol ctrl Bi-level solenoid Blower motor (in heater- a/c module) Blower motor control module (right side of heater-a/c module) Blower speed ctrl C10 C11 C12 C13 C14 C15 C16 Cntrl in D10 D11 D12 D13 D14 D15 D16 Data link connector (under left side of dash, right of steering column) Def sol ctrl Defrost solenoid Fuse block (behind right side of dash) Grd Ground Heater solenoid High blower fuse 25a Hot at all times Hot in run Htr sol ctrl Hvac control module Hvac fuse 10a Ignition Inside air temperature sensor (below right side of instrument cluster) Inside temp input Left air temperature actuator (left side of hvac module) Lt elec actuator Motor drive Nca Outside temp input Radio-hvac rfa-cluster cel tel fuse 15a Rear defog enable Rear defogger system Recirc sol ctrl Recirc solenoid Red Right air temperature actuator (right side of hvac module) Rt elec actuator S202 (dash harn, right of steering column) S231 (dash harn, 34 cm from heater-a/c control breakout) S233 S258 Sensor ground Serial data Solid state Sp205 (right side of steering column) Spd cntrl Sun load input Sun load temperature sensor (top of dash) Tan Automatic A/C Wiring Diagram (2 of 2) for Buick Regal LS 2000 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Buick Regal LS 2000: 40 (engine harn, 4 cm from coolant fan breakout) s105 (engine harn, 4 cm from pcm breakout) (fuel inj harn, near breakout to map sensor) +5v reference 3.1l 3.8l A/c compressor clutch coil A/c clu diode A/c clutch fuse 23 10a A/c clutch relay 15 A/c press signal A/c refrigerent pressure sensor (left side of engine compt, on accumulator) A10 A11 C11 Comp control Cool fan 1 fuse 15a Cool fan 2 fuse 15a Cool fan 1 relay Cool fan 2 relay Cool fan 3 relay Coolant fan (left) Coolant fan (right) E10 Ect ground Ect signal Engine controls system Engine coolant temperature sensor (top left side of engine, below throttle body) F12 G110 (left front of engine) High speed Hot at all times Ign main relay (closed in run or start) Low reference Low speed Powertrain control module (left front side of engine compt, in air cleaner assembly) S121 S167 Serial data Underhood fuse block (right side of engine compt, mounted to strut tower) Compressor Wiring Diagram for Buick Regal LS 2000 List of elements for Compressor Wiring Diagram for Buick Regal LS 2000: 40 (dash harn, 18 cm from radio breakout) s230 (left front of engine) g110 (w/ auto a/c) (w/ manual a/c) +5v reference A/c compressor clutch coil A/c clu diode A/c clutch fuse 23 10a A/c clutch relay 15 A/c press signal A/c refrigerent pressure sensor (left side of engine compt, on accumulator) A/c request Auto a/c Battery C11 C12 Clutch request Comp control D12 Engine controls system Fuse block (behind right side of dash) G201 (right side of dash) Ground Hot at all times Hot in run Hvac control module Hvac fuse 10a Ign main relay (closed in run or start) Ignition Low reference Manual a/c Powertrain control module (left front side of engine compt, in air cleaner assembly) Rdo, hvac, rfa clstr, cel tel fuse 10a S105 (engine harn, 4 cm from coolant fan breakout) S167 (engine harn, 4 cm from pcm breakout) S202 (dash harn, 19 cm from radio breakout) S233 (dash harn, 4 cm from radio breakout) Serial data Sp205 (right side of steering column) Underhood fuse block (right side of engine compt) Manual A/C Wiring Diagram for Buick Regal LS 2000 List of elements for Manual A/C Wiring Diagram for Buick Regal LS 2000: 77 (dash harn, 18 cm from radio breakout) (dash harn, 4 cm from radio breakout) s233 (engine harn, 4 cm from coolant fan breakout) (engine harn, 4 cm from pcm breakout) (fuel inj harn, near breakout to map sensor) (left side of hvac module) left air temp actuator (right side of dash) g201 +5v reference 3.1l 3.8l A/c compressor clutch coil A/c clu diode A/c clutch fuse 23 10a A/c clutch relay 15 A/c press signal A/c refrigerent pressure sensor (left side of engine compt, on accumulator) A/c request sig A10 A11 Battery Blower motor Blower motor relay Blower motor resistor assembly C11 Clutch request Comp control Cool fan 1 fuse 15a Cool fan 2 fuse 15a Cool fan 1 relay Cool fan 2 relay Cool fan 3 relay Coolant fan (left) Coolant fan (right) Defogger on Defogger system Drvr temp ctrl E10 Ect ground Ect signal Engine controls system Engine coolant temperature sensor (top left side of engine, below throttle body) F12 Fan off input Fuse block (behind right side of dash) G110 (left front of engine) G201 (right side of dash) Gnd Ground High blower fuse 30a High speed Hot at all times Hot in run Hvac control module Hvac fuse 10a Ign Ign main relay (closed in run or start) Ignition Interior lights Interior lights system Lamp dim sig Low blower fuse 20a Low reference Low speed Nca Nca nca Off Pass temp ctrl Pos Powertrain control module (left front side of engine compt, in air cleaner assembly) Rdo, hvac, rfa clstr, cel tel fuse 10a Right air temp actuator (right side of hvac module) S105 S121 S167 S230 Tan Underhood fuse block (right side of engine compt, mounted to strut tower)
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Buick Regal LS 2000 List of elements for Anti-lock Brake Wiring Diagrams for Buick Regal LS 2000: 69 (2000) (1999) (below dash, left of steering column) A10 A11 A8 b5 Abs fuse 10a Abs maxi fuse 60a Abs warning B10 B11 B12 B6 a11 Battery Body control module (bcm) (behind left side of dash) Brake Brake fluid level indicator switch (in brake fluid reservoir) Brake pressure modulator valve C1 stop lamp switch (brake pedal support bracket) C10 C11 C2 c2 C3 c2 Cluster fuse 10a Data link connector (dlc) (under left side of dash) Delivered torque Desired torque Electronic brake control module (ebcm) (at left side of engine compartment) Electronic power steering system Electronic traction control switch Fuse block G129 (left of starter, on transaxle stud) G202 G202 (on steering column) Ground Hot at all times Hot in run, bulb test or start Ignition Instrument cluster Interior lights system Left front wheel spd (hi) Left front wheel spd (lo) Left front wheel speed sensor Left rear wheel spd (hi) Left rear wheel spd (lo) Left rear wheel speed sensor Low trac Nca Pnk Powertrain control module (pcm) (left front of eng compt) Pump motor Red Right front wheel spd (hi) Right front wheel spd (lo) Right front wheel speed sensor Right rear wheel spd (hi) Right rear wheel spd (lo) Right rear wheel speed sensor S205 (i/p harn, right of steering column) S211 Serial data signal Solid state Splice pack (sp205) (right side of steering column) Stop lamp sw out Stop lamps fuse 15a Strng var assist motor Tan Trac off Underhood accessory wiring junction block Vent tube
ANTI-THEFT Anti-theft Wiring Diagram for Buick Regal LS 2000 List of elements for Anti-theft Wiring Diagram for Buick Regal LS 2000: 41 (in air cleaner assembly) powertrain control module 5v ref B10 B12 Bat Bcm grd Bcm pwr fuse 10a Body control module (behind left side of dash, left of steering column) Cluster fuse 10a Crank maxi fuse 40a Crank relay Crank sig Crank signal bcm, cluster fuse 10a Data link connector (dlc) (under left side of dash) F10 G202 (below dash, right side of steering column) Hot at all times Hot in off, bulb test or start Hot in run, bulb test or start Hot in start Ign Ign 0 Ign 0: cluster pcm & bcm fuse 10a Ign ref lo Instrument cluster Ip fuse block Key Nca Pcm bcm u/h relay fuse 10a Pnk Resistor pellet S211 S270 Security indicator Serial data Splice pack s205 (below dash, right side of steering column) Starter enable Starter solenoid Steering column lock & ignition key cylinder Transaxle range switch (on transaxle) Underhood electrical center (mounted to right strut tower)
BODY COMPUTER Body Computer Wiring Diagrams for Buick Regal LS 2000 List of elements for Body Computer Wiring Diagrams for Buick Regal LS 2000: 97 (2 door) A10 A11 A12 Accessory rly Anti-lock brakes system Anti-theft system Automatic transaxle control lever handle B10 B11 B12 Bcm acc fuse 10a Bcm power fuse 10a Body control module (bcm) (behind left side of dash, left of steering column) Computer data lines system Courtesy lamp sw out Crank, signal, bcm, cluster fuse 10a Door locks fuse 20a Dr jamb sw sig-driver Dr latch sw sig Driver seat belt input Drl mod output-park brake Drl photocell ret Drl photocell sig Exterior lights system Fog lamp sw out Fuse block Fuse output-acc/run/crank Fuse output-accessory Fuse output-bat Fuse output-crank Fuse output-ignition 1 G204 (below dash, left of steering column) G204 (below dash, left side of steering column) G205 (below dash, right of steering column) G205 (below dash, right side of steering column) G309 (left front door sill) Grd Headlamp sw output Headlamp sw sig Headlights system Horn relay output Horns system Hot at all times Hot in acc or run Hot in off, run or start Hot in run or start Ign 0, cluster, pcm & bcm fuse 10a Ignition key alarm switch Ignition key resistor fd Ignition key resistor ret Inadv power bus fuse 15a Interior lights system Key reminder sw sig Left front door lock switch Lf turn sig lamp feed Lf turn sig sw output Lock Low tire press reset sw Nca Park brake indicator switch (on parking brake assembly) Park lamp sw sig-off Park lamp sw sig-on Pcm, bcm u/h relay fuse 10a Performance shift switch Pnk Power distribution system Power distribution system (rap) Pwr dr lk mtr feed Pwr dr lock sw out Pwr dr lock sw output Remote keyless entry circuit Rf turn sig lamp feed Rf turn sig sw output Right front door lock switch S211 S234 S269 S270 S283 S303 S330 S504 S604 Seat belt switch (part of driver's seat belt asembly) Serial data sig Serial data signal class 2 Tan Theater dimming Tire inflation reset switch Traction ctrl sig sw Trans shift select ind Trunk lamp out Trunk release rly feed Trunk, tailgate, fuel doors system Underhood accessory wiring junction block Unlock
COMPUTER DATA LINES Computer Data Lines for Buick Regal LS 2000 List of elements for Computer Data Lines for Buick Regal LS 2000: 23 A5 uart data Body control module (bcm) (behind left side of dash, left of steering column) D12 Data clss 2 Data link connector (dlc) (under left side of dash, right of steering column) E & c serial data E1 e & c serial data Electronic brake control/electronic brake traction control module (ebcm/ebtcm) (below left side of dash, left of steering column) Fuse block G201 (behind right side of glove box) G205 (below dash, right side of steering column) Hot at all times Htr-a/c control Inflatable restraint sensing & diagnostic module (sdm) (below carpet, under right front seat) Instrument cluster Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly) Radio Radio, hvac, rfa, cluster, cel tel fuse 15a Remote cd player (if equipped) S202 S211 S230 Splice pack sp205 (below dash, right of steering column)
COOLING FAN Cooling Fan Wiring Diagram for Buick Regal LS 2000 List of elements for Cooling Fan Wiring Diagram for Buick Regal LS 2000: 27 (engine harn, 4 cm from fan jumper breakout) (fuel inj harn, near breakout to map sensor) 3.1l 3.8l A10 A11 C11 Cool fan 1 fuse 15a Cool fan 2 fuse 15a Cool fan 1 relay Cool fan 2 relay Cool fan 3 relay Coolant fan (left) Coolant fan (right) E10 Ect sig Engine controls (map sensor) Engine coolant temperature sensor (top left side of engine, below throttle body) F12 G110 (left front of engine) High spd Hot at all times Low spd Powertrain control module (left front side of engine compt, in air cleaner assembly) S105 S121 Underhood fuse block (right side of engine compt, mounted to strut tower)
CRUISE CONTROL Cruise Control Wiring Diagram for Buick Regal LS 2000 List of elements for Cruise Control Wiring Diagram for Buick Regal LS 2000: 39 (front of left strut tower) All times Brake signal input Cruise control module Cruise control release switch (left side of dash) Cruise control switch Cruise fuse 10a Cruise on/off Disable input Disable output Engage input Engaged output Exterior lights system G204 (below dash, left of steering column) Ground Hot at Hot in run I/p fuse block (behind right side of dash) Ignition Instrument cluster system Off Only Powertrain control module (pcm) (front left side of engine compt) R/a Release signal Resume/accel S205 (i/p harness, near steering column) S240 S283 S295 (behind ashtray) Set sw Set/coast Stop lamps fuse 15a Stoplight switch (brake pedal support bracket) Vehicle speed input Vehicle speed sensor (vss) (lower right of engine, compt, on transaxle) Vss high Vss low Vss output
DEFOGGERS Defogger Wiring Diagram for Buick Regal LS 2000 List of elements for Defogger Wiring Diagram for Buick Regal LS 2000: 31 (behind the right side of glove box) (c60/cj3) (left front door sill) g309 (left side of rear shelf) g314 C1 (cj2) c2 D nca D15 (cj2) Driver outside rearview mirror G201 Heated mirror fuse 10a Hot at all times Hot in run Hvac control module Hvac fuse 10a I/p fuse block Mirror defogger Nca On ind On/off momentary defogger switch Passenger outside rearview mirror Radio noise suppressor wire (in right "c" pillar) Rear defog circuit breaker 30a Rear window defogger Rear window defogger relay (behind glove box, mounted to underside of cross-car beam) S230 S233 S268 (i/p harn, near blwr motor) nca S504 S604 Solid state timer Under driver's seat)
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Buick Regal LS 2000 List of elements for Electronic Power Steering Wiring Diagram for Buick Regal LS 2000: 28 1995 vftc c A11 A4 c2 A9 c1 Abs fuse 10a Abs maxifuse 60a B10 B11 Computer data lines system Data link connector (dlc) (under left side of dash, right of steering column) Electronic brake control module/ electronic brake traction control module (ebcm/ebtcm) (at left side of engine compartment, near strut tower) Engine control system Fuse block (behind right side of dash) G129 (left of starter, on transaxle stud) Ground Hot at all times Hot in run, bulb test & start Ignition Msva high Msva lo Nca Pnk Red Serial data Splice pack sp205 (below dash, on right side of steering column) Steering gear Steering gear (msva) actuator (left rear of engine compt, behind transaxle) Underhood accessory wiring junction block (mounted to right strut tower)
ENGINE PERFORMANCE
3.8L 3.8L VIN 1, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal LS 2000 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal LS 2000: 85 (ign harn, top of eng, near ign control module) (not used) (on trans- axle stud) (on transaxle stud) (pin 11 not used) (pin 14-15 not used) (pin 21 & 23-27 not used) (pin 40-42 not used) (pin 49-52 not used) (pin 66-67 not used) 1-2 ss valve control 18x ref signal 2-3 ss valve control 3x ref signal A/t iss sensor high A/t iss sensor low Air solenoid relay Camshaft position sensor (cmp) (front of eng, above crankshaft pulley) Cmp signal Cooling fans system Crankshaft position sensor (ckp) (front of eng, behind harmonic balancer) Cruise control system Cruise disable output Data link connector (dlc) (under left side of dash, right of steering column) Ecm fuse 10a Ect sensor signal Egr val control (gnd) Elek ign fuse 15a Eng emis fuse 10a Evap purge val control F/injr fuse 15a F/pump speed ctrl rly Fuel inj 1 control Fuel inj 2 control Fuel inj 4 control Fuel inj 5 control Fuel inj 6 control Fuse block (behind right side of dash, in right door opening) G129 High speed fans control Hos1 low Hos2 low Hot at all times Hot in off, run bulb test, or start Hot in run, bulb test or start Iac coil b high Iat sensor ground Ic control Ign 0 fuse 10a Ignition control Ignition control module (icm) (top front of eng) Ignition wake up power Knock sensor bank 1 (left side of eng, in front of starter) Knock sensor bank 2 (right side of eng, below exhaust manifold) Knock sensor signal 1 Knock sensor signal 2 Low speed fans control Maf sensor signal Map sensor Map sensor signal Pcm ground Pnk Pnk p Power (battery) Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly) Ref low S106 S144 S145 S270 Sensor grd Sensor ground Serial data (class 2) Spark plugs Splice pack sp205 Tan Tcc brake switch input Torque requested Tp sensor signal Tr switch input b Trans fluid press sw a Underhood accessory wiring junction block (mounted to right strut tower) Vss high Vss low Vss output 3.8L VIN 1, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal LS 2000 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal LS 2000: 24 Air pump fuse 30a Air pump relay D10 Electronic brake control/ electronic brake traction traction control (ebcm/ebtcm) (at left side of engine compt, near strut tower) Evaporative emissions (evap) canister purge solenoid valve (top right side of eng, near center of valve cover) Evaporative emissions (evap) canister vent solenoid valve (behind left side of rear fascia splash shield, in wheelwell) Fuel injectors G108 (left side of front end upper tie bar) G129 (on transaxle stud) Hot at all times Hot in run & start Nca Pcm dev fuse 10a Pnk Red S105 S109 Secondary air injection reaction pump motor (air) Secondary injection pump bypass valve solenoid Stoplight switch (on brake pedal support bracket) Tan Transaxle range switch (on top right rear of transaxle) Underhood accessory wiring junction block (mounted to right strut tower) Vehicle speed sensor (vss) (lower right side of eng compt, on transaxle) 3.8L VIN 1, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal LS 2000 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal LS 2000: 33 (body harn, under rear seat) (eng harn, near 4 cm from pcm breakout) (in exhaust system, rear of catalytic converter) heated oxygen sensor 2 (ho2s 2) (in right side exhaust manifold) heated oxygen sensor 1 (ho2s 1) (on bottom of engine oil pan) engine oil level indicator switch (on throttle body assembly) idle air control (iac) valve (on transaxle stud) (top rear of eng, part of throttle body assembly) mass airflow (maf) sensor A tan A/c refrigerant pressure sensor (on left side of eng compt, on accumulator) B12 D pnk Engine coolant temperature (ect) sensor (top left side of eng, below throttle body) Engine oil pressure indicator switch (lower right side of eng, above transaxle) Exhaust gas recirculation (egr) valve (top rear of eng, near throttle body) Fuel tank pressure sensor (in fuel tank) G129 Hot in run, bulb test or start Instrument cluster Intake air temperature (iat) sensor (left front of eng compt, in air cleaner duct) Malfunction indicator lamp Manifold absolute pressure (map) sensor (top right side of eng, above valve cover) Nca Oxy sen fuse 15a Pnk S105 S106 S167 S409 Tan Throttle position (tp) sensor (on throttle body assembly) Trans fuse 10a Underhood accessory wiring junction block (mounted to right strut tower) 3.8L VIN 1, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal LS 2000 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal LS 2000: 92 (fuel pump prime terminal) (on transaxle stud) (pin 12-15 not used) (pin 36-38 not used) (pin 40-41 not used) (pin 47-48 not used) (pin 51-54 not used) (pin 6 & 8 not used) (pin 62 & 64-65 not used) (pin 70-74 not used) (right side of rear shelf) 1-2 shift solenoid 2-3 shift solenoid 5v ref a A/c compress clutch rly A/c refrig press signal A/c request signal A/t iss solenoid A11 Air conditioning system Air pump relay Auto transaxle fluid temperature sensor Automatic transaxle fluid pressure manual valve position switch Boost control sol Cluster fuse 10a Crank Crank signal fuse 10a Cruise control system Cruise engaged input D10 Ect sensor signal Egr pintle position signal Egr val ign positive volt Eng emis fuse 10a Eng oil level ind in Eng oil press sensor sig Evap can vent sol F/pmp fuse 15a F/pmp spd cont relay Fuel inj 3 control Fuel level sensor Fuel level sensor input Fuel pump Fuel pump relay Fuel pump relay control Fuel pump resistor (outside of right front frame rail) Fuel tank Fuel tank press signal Fuse block (behind right side of dash, in right door opening) G129 G313 Gen terminal f output Gen terminal l output Ho2s 1 signal Ho2s 2 signal Hot at all times Hot in run, bulb test, or start Hot in start Iac coil a high Iac coil a low Iac coil b low Iat sensor signal Ignition positive volt (2) Map sensor signal Mil control Pc sol valve high Pc sol valve low Pcm- bcm fuse 10a Pnk Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly) Ps solenoid Red S106 S234 Sensor ground Starter enable control Starting/ charging system Supercharger bypass valve (top left of eng, above left valve cover) Tan Tan b Tcc release switch input Tcc sol valve control Tcc solenoid Tft sensor signal Torque delivered Tp sens or signal Tr switch input a Tr switch input c Tr switch input d Trans fluid press sw b Transaxle Underhood accessory wiring junction block (mounted to right strut tower) 3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal LS 2000 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal LS 2000: 83 (ign harn, top of eng, near ign control module) (not used) (on trans- axle stud) (on transaxle stud) (pin 11 not used) (pin 14-15 not used) (pin 21 & 23-27 not used) (pin 40-42 not used) (pin 49-52 not used) (pin 66-67 not used) 1-2 ss valve control 18x ref signal 2-3 ss valve control 3x ref signal A/t iss sensor high A/t iss sensor low Air solenoid relay Camshaft position sensor (cmp) (front of eng, above crankshaft pulley) Cmp signal Cooling fans system Crankshaft position sensor (ckp) (front of eng, behind harmonic balancer) Cruise control system Cruise disable output Data link connector (dlc) (under left side of dash, right of steering column) Ecm fuse 10a Ect sensor signal Egr val control (gnd) Elek ign fuse 15a Eng emis fuse 10a Evap purge val control F/injr fuse 15a Fuel inj 1 control Fuel inj 2 control Fuel inj 4 control Fuel inj 5 control Fuel inj 6 control Fuse block (behind right side of dash, in right door opening) G129 High speed fans control Hos1 low Hos2 low Hot at all times Hot in off, run bulb test, or start Hot in run, bulb test or start Iac coil b high Iat sensor ground Ic control Ign 0 fuse 10a Ignition control Ignition control module (icm) (top front of eng) Ignition wake up power Knock sensor bank 1 (left side of eng, in front of starter) Knock sensor bank 2 (right side of eng, below exhaust manifold) Knock sensor signal 1 Knock sensor signal 2 Low speed fans control Maf sensor signal Map sensor Map sensor signal Pcm ground Pnk Pnk p Power (battery) Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly) Ref low S106 S144 S145 S270 Sensor grd Sensor ground Serial data (class 2) Spark plugs Splice pack sp205 Tan Tcc brake switch input Tp sensor signal Tr switch input b Trans fluid press sw a Underhood accessory wiring junction block (mounted to right strut tower) Vss high Vss low Vss output 3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal LS 2000 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal LS 2000: 26 (on transaxle stud) Air pump fuse 30a Air pump relay D10 Evaporative emissions (evap) canister purge solenoid valve (top left side of eng, near center of valve cover) Evaporative emissions (evap) canister vent solenoid valve (behind left side of rear fascia splash shield, in wheelwell) Fuel injectors G108 (left side of front end upper tie bar) G129 G129 (on transaxle stud) Hot at all times Hot in run and start Nca Pcm dev fuse 10a Pnk Red S105 S106 S109 Secondary air injection reaction pump motor (air) Secondary injection pump bypass valve solenoid Stoplight switch (on brake pedal support bracket) Tan Transaxle range switch (on top right rear of transaxle) Underhood accessory wiring junction block (mounted to right strut tower) Vehicle speed sensor (vss) (lower right side of eng compt, on transaxle) 3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal LS 2000 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal LS 2000: 32 (body harn, under rear seat) (eng harn, near 4 cm from pcm breakout) (in exhaust system, rear of catalytic converter) heated oxygen sensor 2 (ho2s 2) (in right side exhaust manifold) heated oxygen sensor 1 (ho2s 1) (on bottom of engine oil pan) engine oil level indicator switch (on throttle body assembly) idle air control (iac) valve (on transaxle stud) (top rear of eng, part of throttle body assembly) mass airflow (maf) sensor A tan A/c refrigerant pressure sensor (on left side of eng compt, on accumulator) B12 D pnk Engine coolant temperature (ect) sensor (top left side of eng, below throttle body) Engine oil pressure indicator switch (lower right side of eng, above transaxle) Exhaust gas recirculation (egr) valve (top rear of eng, near throttle body) Fuel tank pressure sensor (in fuel tank) G129 Hot in run, bulb test or start Instrument cluster Intake air temperature (iat) sensor (left front of eng compt, in air cleaner duct) Malfunction indicator lamp Manifold absolute pressure (map) sensor (top of engine, on front of intake manifold) Nca Oxy sen fuse 15a Pnk S105 S167 S409 Tan Throttle position (tp) sensor (on throttle body assembly) Trans fuse 10a Underhood accessory wiring junction block (mounted to right strut tower) 3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal LS 2000 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal LS 2000: 86 (fuel pump prime terminal) (on transaxle stud) (pin 12-15 not used) (pin 36-38 not used) (pin 40-41 not used) (pin 47-48 not used) (pin 51-54 not used) (pin 6 & 8 not used) (pin 62 & 64-65 not used) (pin 70-74 not used) (right side of rear shelf) 1-2 shift solenoid 2-3 shift solenoid 5v ref a A/c compress clutch rly A/c refrig press signal A/c request signal A/t iss solenoid A11 Air conditioning system Air pump relay Auto transaxle fluid temperature sensor Automatic transaxle fluid pressure manual valve position switch Cluster fuse 10a Crank Crank signal fuse 10a Cruise control system Cruise engaged input D10 Ect sensor signal Egr pintle position signal Egr val ign positive volt Eng oil level ind in Eng oil press sensor sig Evap can vent sol F/pmp fuse 15a F/pump relay Fuel inj 3 control Fuel level sensor Fuel level sensor input Fuel pump Fuel pump relay control Fuel tank Fuel tank press signal Fuse block (behind right side of dash, in right door opening) G129 G313 Gen terminal f output Gen terminal l output Ho2s 1 signal Ho2s 2 signal Hot at all times Hot in run, bulb test, or start Hot in start Iac coil a high Iac coil a low Iac coil b low Iat sensor signal Ignition positive volt (2) Map sensor signal Mil control Pc sol valve high Pc sol valve low Pcm- bcm fuse 10a Pnk Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly) Ps solenoid Red S106 S234 Sensor ground Starter enable control Starting/ charging system Tan Tan b Tcc release switch input Tcc sol valve control Tcc solenoid Tft sensor signal Tp sens or signal Tr switch input a Tr switch input c Tr switch input d Trans fluid press sw b Transaxle Underhood accessory wiring junction block (mounted to right strut tower)
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Buick Regal LS 2000 List of elements for Back-up Lamps Wiring Diagram for Buick Regal LS 2000: 14 (body harness, under left rear seat) s424 A8 c3 B1 c2 Back-up lamps relay (behind left side of dash) Body control module (bcm) (behind left side of dash) G313 (right side of rear shelf) Hot at all times Left back-up lamp Mirrors system (automatic day/night mirror) R/cmpt rel fuse 7.5a Right back-up lamp S905 (rear compt harness, center of trunk lid) S915 Underhood accessory wiring junction block (mounted to right strut tower) Exterior Lamps Wiring Diagram for Buick Regal LS 2000 List of elements for Exterior Lamps Wiring Diagram for Buick Regal LS 2000: 92 (chmsl harn, center of rear window trim panel, 12 cm from chmsl beakout) s417 (i/p harn, right of steering column) A c1 A10 A11 A12 A12 c3 A13 A14 A15 Ambient light sensor (top right side of dash, at base of windshield) B c1 Body control module (bcm) (behind left side of dash, left of steering column) C2 f12 C2 f8 Center high mounted stoplamp (chmsl) Corn- ering lamp Cornering lamp D12 Door locks fuse 20a Drl ambient light ground ref Drl ambient light signal E10 E11 E12 E13 Exterior lamp off input F11 Frt park lps fuse 10a Fuse block Fuse block (behind right side of dash) G side marker lamp G108 (left side of front end upper tie bar) G204 (below dash, left side of steering column) G313 (below right side of rear window trim panel) G400 (below left side of rear window trim panel) Hazard Hazard lamp/ turn signal lamp flasher (below left side of dash) Hazard lamps fuse 15a Headlamp control Headlamp relay (behind glove box, mounted to underside of cross-car beam) Headlamp switch Headlamp switch input Hot at all times Hot in run or start Hot in run, bulb test or start Instrument cluster Left Left headlamp Left rear park lamps Left rear side marker lamp Left tail/ turn signal/ stop- lamp Left turn indicator Lp park fuse 20a Marker lamp Normal Off Park Park brake indicator switch (on parking brake assy) Park brake input Park lamp relay (behind right side of dash) Park lamp relay control Park/ turn signal lamp Pcm,bcm u/n relay fuse 10a Pnk Power distribution Rear license lamps Right Right headlamp Right rear park lamps Right rear side marker lamp Right side of steering column, 5 cm from ground breakout) s291 Right tail/ turn signal/ stop- lamp Right turn indicator S124 S205 (dash harness, near steering column) S221 S267 S269 S283 S402 S403 S408 S416 Side g Stop fuse 15a Stoplight switch (on brake pedal support bracket) Tail lamps, lic lamps fuse 15a Turn signal switch Turn signals, corn lps fuse 10a Underhood accessory wiring junction block Underhood accessory wiring junction block (mounted to right strut tower)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Buick Regal LS 2000 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Buick Regal LS 2000: 85 (ashtray harn, inside ashtray) (c60/cj3) (century) (cj2) (engine harness, 4 cm from engine coolant fan jumper connector breakout) (forward lamp harn, below left headlamp, 7 cm from left headlamp breakout) (front console harn, in console 7 cm from accessory power receptacle breakout) (regal) A/c clu diode A/c compressor clutch coil A18 Accessory power outlet (regal) Ashtray lamp (1999 century) Ashtray lamp (2000-01 century) Automatic transaxle control position indicator bulb (regal) Battery Blower motor control processor Blower motor resistor assembly C11 C206 C60/cj3 Century & 2000-01 all Cigar lighter (1999 century) Cigar lighter (2000-01 century) Cigar lighter (regal) Cj2 Console compartment lamp (regal) Cool fan 2 relay Data link connector (dlc) Door Electronic brake control module (ebcm)/ electronic brake traction control module (ebcm/ebtcm) Engine coolant level indicator module (1999) Engine coolant level indicator module (2000-01) Engine oil level indicator switch Engine oil pressure indicator switch F/pump relay Fuse block-underhood G101 (right side of eng compt, at base of battery) G108 (left front side of radiator support) G120 (right side of engine, on ignition control module bracket) G129 (left of starter, on trans- axle stud) G129 (left of starter, on transaxle stud) G201 (behind the right side of the glove box) Heated oxygen sensor 1 Heated oxygen sensor 2 Heater- a/c control Horns I/p compartment lamp switch Ign main relay Ignition control module (icm) Inflatable restraint sensing & diagnostic module Inflatable restraint steering wheel module coil Left cornering lamp Left electric actuator Left engine coolant fan motor Left fog lamp (regal) Left headlamp Left park/ turn signal lamp Left radio control switch Left side marker lamp Lock relay (1999) Mass airflow (maf) sensor Nca Park/ neutral position switch Power drop connector Powertrain control module (pcm) Red Regal Right cornering lamp Right electric actuator Right engine coolant fan motor Right fog lamp (regal) Right headlamp Right park/ turn signal lamp Right radio control switch Right side marker lamp S105 S106 (eng harn, 7 cm from pcm breakout) S124 S295 S335 Secondary air injection reaction pump motor (air) (2000-01) Steering column electric park lock (w/ console) Windshield washer pump Windshield washer solvent level switch Ground Distribution Wiring Diagram (2 of 2) for Buick Regal LS 2000 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Buick Regal LS 2000: 117 (1999) (2000-01) (back-up lamp harness, in rear compt lid) (body harn, right out- side floor, next to pass seat) (body harness, right side of trunk) (left tail lamp harn) (main body harness, approx 7 cm from rear compartment courtesy lamp breakout) (right side of rear shelf) g313 31 cm from left sunshade mirror breakout) A a A12 Audio amplifier (base) Base Below driver's seat) s303 Body control module (bcm) Brake fluid level indicator switch Breakout) C201 C3 c1 C3 c4 Center high mounted stop lamps Cruise control module D b Data link connector (dlc) Daytime running lamp control module (1999) Driver information display switch (regal) Driver lumbar horizontal adjuster relay Driver lumbar vertical adjuster relay Driver seat adjuster switch Driver seat belt switch Driver seat heater control module Driver seat heater switch Driver's heated seat back element Driver's heated seat thermister E k E16 Electronic traction control switch (regal) Fog lamp switch (regal) Fuel pump G204 (below dash, left side of steering column) G205 (below dash, right side of steering column) G309 (left front door sill) G313 (right side of rear shelf) G314 (left side of rear shelf) Ground (on steering column) Harn, 5 cm from s383 Hazard lamp/ turn signal lamp flasher Headlamp dimmer switch Headlamp relay (2000-01) Headlamp switch Headlamp switch breakout) Ignition key alarm switch In rear compt lid) s930 Inside rearview mirror (day-night) Inside rearview mirror (lighted) Instrument panel cluster (ipc) Left back-up lamp Left front door lock Left front door lock switch Left front window switch Left license lamp Left outside rearview mirror Left rear door lock (ajar indicator switch) Left rear park lamp Left rear side marker lamp Left roof rail courtesy/ reading lamp Left sunshade mirror lamp Left tail/ stop/turn signal lamp Nca Outside remote control rearview mirror switch Passenger seat adjuster switch Passenger seat heater control module Passenger seat heater switch Passenger's heated seat back element Passenger's heated seat thermistor Performance shift switch (regal grand sport) Provision for mobile telephone amplifier (1999) Provision for mobile telephone handset (1999) Radio Radio antenna module Radio noise suppressor Rear compartment lid ajar switch Rear compartment lid lock release actuator Rear window defogger grid Remote cd changer (1999, 2000) Remote control door lock receiver Right back-up lamp Right front door lock (ajar indicator switch) Right front door lock switch Right front window switch Right license lamp Right outside rearview mirror Right rear door lock (ajar indicator switch) Right rear park lamp Right rear side marker lamp Right roof rail courtesy/ reading lamp Right sunshade mirror lamp Right tail/ stop/turn signal lamp S211 (i/p harness, 20 cm from inst cluster breakout) S255 (mobile telephone harn, center of dash) S301 (or s418) S330 (driver's seat harn, below driver's seat) S333 (pass seat harn, under pass seat) S402 (right tail lamp harness) S403 S414 S604 (right front door harness, 8 cm from window switch breakout) Sunroof module Tan Tire reset switch Vehicle interface unit (viu) (2001) W/ cell w/o phone cell phone & 2000- W/ dc4 W/ dd8 W/ heated seats W/o heated seats Wind- shield wiper motor
HEADLIGHTS Headlight Wiring Diagram for Buick Regal LS 2000 List of elements for Headlight Wiring Diagram for Buick Regal LS 2000: 54 A10 A11 Ambient light sensor (top right side of dash) B7 pnk Body control module (behind left side of dash) D11 F1 c2 F10 F2 c3 Flash Fog lamp relay Fog lamp switch Fog lp cntrl Fog lp fuse 10a G108 (left side of front end upper tie bar) G204 (below dash, left side of steering column) Hdlp l fuse 15a Hdlp r fuse 15a Head Headlamp cntrl Headlamp dimmer switch Headlamp relay (behind glove box) Headlamp sw input Headlamp switch High High beam High beam indicator Hot at all times I/p fuse block (behind right side of dash) Illum Instrument panel cluster Interior lights system Left fog lamp Left headlamp Light sens grd ref Light sensor sig Low Low beam Lp park fuse 20a Off Park Park brake switch Park brk sw in Pnk Radio,hvac,rfa, cluster cel tel fuse 15a Right fog lamp Right headlamp S124 S202 S221 (i/p harn, right side of steering column, approx 23cm from cluster breakout) S283 Tan Underhood fuse block (mounted to right strut tower) Underhood junction block (mounted to right strut tower)
HORN Horn Wiring Diagram for Buick Regal LS 2000 List of elements for Horn Wiring Diagram for Buick Regal LS 2000: 33 (1999) (2000/2001) (century/regal) (century/regal) (intrigue) (century/regal: below dash, right side of steering column) (intrigue) (intrigue) v (century/regal) a17 (intrigue: right side of dash) Body control module (left of steering column) C1 c3 C201 C6 a5 C8 c3 Century/regal G108 g109 (century/regal: left side of front end upper tie bar) (intrigue: right side of front end upper tie bar) G205 g201 G207 (on steering column) High note horn Horn fuse 15a Horn output Horn relay Horn switch Horns (behind right front fascia) Hot at all times Inflatable restraint steering wheel module Intrigue Low note horn Red S124 s123 S211 s230 Slip ring Turn signal cancel cam Turn signal switch Underhood accessory wiring junction block (mounted on right strut tower)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Buick Regal LS 2000 List of elements for Instrument Cluster Wiring Diagram for Buick Regal LS 2000: 117 (below dash, left side of steering column) g204 (left side of front end upper tie bar) (mounted to right strut tower) underhood fuse block (not used) 12 v reg A10 A11 A12 Air bag ind Antilock ind Antilock ind ctrl B10 B11 B12 Battery Body control module (behind left side of dash, left of steering column) Brake fluid level indicator switch (in brake fluid reservoir) Brake ind Brake ind ctrl C11 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, bcm, cluster fuse 10a Cruise control system Cruise ind Cruise ind ctrl D12 Data link connector (under left side of dash, right of steering column) Dim Door ajar ind Door ajar ind ctrl Driver information display switch (regal only) E/m E11 Electronic brake control module (ebcm) (at left side of engine compartment, near strut tower) Engine controls system Engine coolant level indicator module (mounted on right side of radiator) Exterior lights system Fuel gauge G108 G201 (behind right side of glove box) G202 (on steering column) Ground Headlights system Heater-a/c control High beam ind Hot at all times Hot in off, run or start Hot in run, bulb test or start Hot in start I/p fuse block Ign Ign 01, bcm & pcm, cluster fuse 10a Illumination (5 bulbs) Inflatable restraint sensing & diagnostic module (sdm) (below carpet, under right front seat) Instrument cluster Interior lights system Left turn ind Left turn 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 wshr 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 side of engine compt, in air cleaner assy) Prndl position ind ctrl Radio, hvac, rfa, cluster, cel tel fuse 15a Reset Right turn ind Right turn lamp ctrl S124 S202 S211 S230 S234 S270 S283 S295 (ashtray jumper harness, inside ashtray) Seat belt ind Seat belt ind ctrl Security ind Security ind ctrl Serial data Service vehicle soon ind (amber) Service vehicle soon ind ctrl Speed sensor Speedometer Splice pack (sp205) (below dash, right of steering column) Srl data Tachometer Trac off ind Trac off ind ctrl Trip reset input Trip reset switch Windshield washer solvent level switch (right front of eng compt, in washer fluid reservoir)
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Buick Regal LS 2000 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Buick Regal LS 2000: 36 (body harn, below right front seat) s322 Body control module (bcm) (behind left side of dash, left of steering column) Console compartment lamp Console compartment lamp switch (regal) Court lmps feed Court lmps on Dome Door open input Driver dr open G201 (behind right side of dash) G204 (below dash, left side of steering column) G309 (left front door sill) Headlamp switch Hot at all times Hot in accy & run I/p compart- ment lamp switch I/p fuse block Inadv power bus fuse 15a Left front door lock Left i/p courtesy lamp Left rear door lock Off Power drop fuse 10a Right front door lock Right i/p courtesy lamp Right rear door lock S214 (i/p harn, right side of steering column) S230 S283 S303 S335 S504 S604 Theater dim (grd) Theater dim 1 Trunk ajar input Courtesy Lamps Wiring Diagram (2 of 2) for Buick Regal LS 2000 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Buick Regal LS 2000: 21 (day-night) (lighted) (quarter courtesy & reading lamp harn, approx 35 cm from 8-pin in-line conn, behind right "c" pillar) s386 (quarter courtesy & reading lamp harn, approx 5 cm from 8-pin in-line conn, behind right "c" pillar) s392 Dome lamp G313 (right side of rear shelf) Inside rear view mirror Left roof rail courtesy/ reading lamp Left sunshade mirror lamp Nca Rear compartment courtesy lamp Rear compartment lid ajar switch Right roof rail courtesy/ reading lamp Right sunshade mirror lamp S321 (body harn, under right front door pillar) S382 S383 (quarter courtesy & reading lamp harn, left side of windshield header) S384 (quarter courtesy & reading lamp harn, approx 25 cm from left lighted visor mirror breakout) S385 S420 (body wiring harn, right side of trunk) S930 Instrument Illumination Wiring Diagram for Buick Regal LS 2000 List of elements for Instrument Illumination Wiring Diagram for Buick Regal LS 2000: 61 (1999 only) s295 (2000-01) cigar lighter (body harn, below right front seat) s302 (c60/cj3) (cj2) (cj2) c16 (i/p harn, right of steering column) s277 (i/p harn, right side of dash) Ashtray lamp (century) Automatic transaxle control position indicator bulb (regal) Dome Driver seat heater & traction control switch Driver seat heater switch E16 Electronic traction control switch (regal) Fog lamp switch G201 (behind right side of dash) G204 (below dash, left side of steering column) G205 (below dash, right side of steering column) G309 (left front door sill) Grd Head Headlamp switch Heater- a/c control High Hot at all times I/p fuse block Illum Inflatable restraint steering wheel module coil Instrument cluster Left door lock switch Left front window switch Low Lp park fuse 20a Off Outside remote control rear view mirror switch Panel dimming fuse 7.5a Park Passenger seat heater switch Radio Radio control switches Red Right door lock switch Right front window switch S211 S230 S241 (i/p harn, below radio) S267 S283 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, lic lamps fuse 15a Underhood fuse block Vf dim dis sig Vf dim sig W/ heated seats W/o heated seats
POWER DISTRIBUTION Power Distribution Wiring Diagram (2 of 3) for Buick Regal LS 2000 List of elements for Power Distribution Wiring Diagram (2 of 3) for Buick Regal LS 2000: 86 (body harness, top of floor tunnel between front seats) s323 (body harness, under left side of rear seat) (cj2) (cj2) (c60/cj3) (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) s220 (w/rap) A10 Acc Accessory time delay (rap) relay (behind i/p compt, under- side of cross- car beam) Automatic transaxle control B10 Bcm acc fuse 10a Body control module Body control module (below left side of dash) C201 C206 C5 c (c60/cj3) Console compt lamp switch (regal) Crank signal, bcm, cluster fuse 10a Cruise control module Cruise control release switch Cruise control switch Cruise fuse 10a Driver seat heater switch From gen d fuse (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 Heater- a/c control (c60/cj3) Hvac fuse 10a Ign 0,cluster, pcm & bcm fuse 10a Ign1 maxi fuse 30a Ign2 maxi fuse 60a Ignition switch Inflatable restraint steering wheel module coil Inside rearview mirror Instrument cluster Left electric actuator Left front window switch Left radio control switch Lock Low blower fuse 20a Off Park lock fuse (regal) 10a Passenger seat heater switch Pnk Power drop connector Power drop fuse 10a Powertrain control module Pwr windows pwr sunroof circuit breaker 30a Radio Radio fuse (w/o rap) 2a Radio fuse 2a Rear window defogger relay Red Right electric actuator Run S233 S234 (i/p harness, right side of steering column) S240 S249 S263 S270 (i/p harn, behind right side of dash) S410 Start Sunroof module To crank signal fuse (diagram 2 of 3) To ign main relay (diagram 3 of 3) To low blower fuse (diagram 2 of 3) To s228 (diagram 3 of 3) Under- hood accessory wiring junction block Underhood accessory wiring junction block Underhood accessory wiring junction box Vacuum electric solenoid (cj2) W/ heated seats W/ rap W/ sun- roof W/0 heated seats W/o rap Wind- shield wiper/ washer switch Windshield wiper motor Wiper fuse 25a Power Distribution Wiring Diagram (3 of 3) for Buick Regal LS 2000 List of elements for Power Distribution Wiring Diagram (3 of 3) for Buick Regal LS 2000: 49 (3.1l) (3.8l) (engine harn, top of engine) (3.8l) (injector harn, 2 cm from injector 2 breakout) (3.1l) (i/p harness, right side of dash) A/c clu relay A11 Abs fuse 10a Air bag fuse 10a Air pump relay Automatic transaxle Automatic transaxle control (regal) B12 Body control module Btsi park lock fuse 10a Cluster fuse 10a Crank relay Electronic brake control module/ electronic brake traction control module Elek ign fuse 15a Eng emis fuse 10a Evaporative emissions canister purge solenoid valve Evaporative emissions canister vent solenoid 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 (left of starter, on trans- axle stud) Heated oxygen sensor 1 Heated oxygen sensor 2 (regal) Ign main relay Ignition control module Inflatable restraint sensing & diagnostic module Instrument cluster Mass airflow (maf) sensor Nca Oxy sen fuse 15a Pcm,bcm u/h relay fuse 10a Pnk Powertrain control module S106 S109 S228 Secondary air injection bypass valve solenoid Stoplamp switch Supercharger bypass valve (3.8l vin 1) Trans fuse 10a Turn signal switch Turn signals, corn lps fuse 10a Underhood accessory wiring junction block
POWER DOOR LOCKS Power Door Lock Wiring Diagram for Buick Regal LS 2000 List of elements for Power Door Lock Wiring Diagram for Buick Regal LS 2000: 46 (body harn, center floor on left side of tunnel) s315 (body harness, below right door speaker, 44cm from power door breakout) s314 (century,regal) (intrigue) 2001 intrigue All drs lock Battery Battery (b+) Bcm fuse 10a (intrigue) Bcm pwr fuse 10a (century, regal) Body control module (behind left side of dash, left of steering column) Door lock fuse 20a Dr lock sw in Dr unlk sw in Driver dr unlk Except 2001 intrigue G204 (left side of steering column) G205 (right side of steering column) G309 (forward of driver's seat) G309 (left front door sill) Ground Hot at all times I/p fuse block (behind right of dash in right door opening) Interior lights system Left front door lock Left front door lock switch Left rear door lock Lock Pass drs unlk Radio, hvac, cluster, cel tel fuse 15a (century, regal) Radio, hvac, cluster, data line fuse 15a (intrigue) Remote control door lock receiver (rke) (left side of dash, on right side of instrument cluster) Rfa link Right front door lock Right front door lock switch Right rear door lock S202 S211 S269 S283 S303 S504 Tan Trunk lid rel Trunk/ tailgate/ fuel doors system Unlock
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Buick Regal LS 2000 List of elements for Electrochromic Mirror Wiring Diagram for Buick Regal LS 2000: 30 (buick: under body harness, right side of rear compt) s424 (inside right door sill) g316 (windshield side) ambient sensor A8 c3 B1 c2 Back-up lamps relay (behind left side of dash) Body control module (bcm) (behind left side of dash) Exterior lights system Fuse block (behind right side of dash, in right door opening) Gnd Headlight sensor (mirror side) Hot at all times Hot in run Hvac fuse 10a Inside rearview mirror (day-night) Interior lights system Left mirror switch Mirror on Nca Off R/cmpt rel fuse 7.5a Resets to daytime high reflectivity in reverse Right mirror switch S233 S323 S385 Solid state Underhood accessory wiring junction block (mounted to right strut tower) W/ heated seats W/o heated seats Power Mirrors Wiring Diagram for Buick Regal LS 2000 List of elements for Power Mirrors Wiring Diagram for Buick Regal LS 2000: 22 & buick (left front door sill) g309 1998 & olds 1998-00 olds 1999-00 buick 2000 olds Driver's seat) g309 Ecb Fuse block 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 2a 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 2000 List of elements for 6-Way Power Seat Wiring Diagram for Buick Regal LS 2000: 23 (left front door sill) Back Down Driver seat adjuster motor assembly Driver seat adjuster switch Entire seat For- ward Front height Front passenger seat adjuster motor assembly Front passenger seat adjuster switch Front vertical adjuster motor Fuse block G309 Horizontal adjuster motor Hot at all times Nca Power seats circuit breaker 30a Rear height Rear vertical adjuster motor S303 S326 S330 Tan Driver's Lumbar Wiring Diagram for Buick Regal LS 2000 List of elements for Driver's Lumbar Wiring Diagram for Buick Regal LS 2000: 21 Aft Down Driver adjuster lumbar horizontal relay Driver adjuster lumbar vertical relay Driver lumbar horizontal motor Driver lumbar vertical motor Fore G309 (left front door sill) H seat lum fuse 15a Heated seat circuit Hot at all times I/p fuse block Lumbar adjuster switch Pnk Power seat circuit Red S303 S330 S331 Seat circuit breaker 30a Tan Heated Seats Wiring Diagram for Buick Regal LS 2000 List of elements for Heated Seats Wiring Diagram for Buick Regal LS 2000: 29 Driver heated seat back element Driver heated seat control module Driver heated seat cushion cover Driver heated seat cushion element Driver heated seat switch Driver heated seat thermistor Front passenger heated seat control module G309 (left front door sill) Ground Hot at all times Hot in run Hvac fuse 10a I/p fuse block Interior lights system Lh heated seat fuse 15a Lo/hi input Nca On input Passenger heated seat back element Passenger heated seat cushion cover Passenger heated seat cushion element Passenger heated seat switch Passenger heated seat thermistor Pnk Rh heated seat fuse 15a S303 S323 S333 Sensor input
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Buick Regal LS 2000 List of elements for Power Top/Sunroof Wiring Diagrams for Buick Regal LS 2000: 23 (not used) Battery Close G313 (right side of rear shelf) Gnd Hot in accy, run, & retained accessory power I/p fuse block (behind right side of dash, in right door opening) Limit switch module (center rear of sun roof module) Ls1 Ls2 Ls3 Open Pos 1 Pos 2 Pos 3 Power windows system Pwr windows pwr sun roof circuit breaker 30a Red S410 S414 Sun roof actuator (center rear of sun roof module) Sun roof module (right corner of sun roof) Sun roof switch
POWER WINDOWS Power Window Wiring Diagram for Buick Regal LS 2000 List of elements for Power Window Wiring Diagram for Buick Regal LS 2000: 59 (buick) (buick, olds) (buick: body harn, on floor under driver's seat) (chev, pontiac) (chev: crossbody harn below right front seat) (olds: body harn, center of floor behind front seats) (oldsmobile: 2000) (oldsmobile: 2001) (pontiac: body harn, on floor near center of vehicle) Buick Buick oldsmobile: 2000 Buick, olds chevrolet Buick: 2001 Chev, olds Chevrolet Down Ecb Express Express down module Fuse block (behind right side of dash, in glove box opening) Fuse block (behind right side of dash, in right door opening) Fuse block (on right side of dash) G309 (left front door sill) G316 (right front door sill) Hot in acc, or run Hot in acc, run or during rap Hot in run Hot in run & start or during rap I/p fuse block (behind right side of dash, in right door opening) Illumination lamp Interior lights system Left front Left front window motor Left front window switch Left rear Left rear window motor Left rear window switch Lock out switch Oldsmobile: 2001 Pontiac Power window circuit breaker 20a Pwr wdo circuit breaker 25a Pwr window pwr sunroof 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 S310 S310 s410 S410 S504 S505 S604 Tan
RADIO Radio Wiring Diagrams, with Amplifier for Buick Regal LS 2000 List of elements for Radio Wiring Diagrams, with Amplifier for Buick Regal LS 2000: 101 (1999) (2000) (behind dash, right of steering column) Am/fm Ant in Ars Bare Battery Cd com Cd drain Cd in Computer data lines system Drain E & c data E10 E11 E12 E13 E14 E15 E16 F10 F11 F12 F13 F14 F15 F16 Front window antenna grid Fuse block Fuse out Fused feed G202 G202 (behind dash, right of steering column) Ground Hot at all times Hot in acc or run Illum Inflatable restraint steering wheel control module Interior lights system Left front midrange speaker Left front tweeter speaker Left radio control switches Left rear speaker Lf audio Lf spkr Lf tweeter Low frequency audio amplifier (in rear compartment, mounted to bottom of rear deck) Lr audio Lr feed Lr rtn Lr spkr Lt cd sig Mid- range Mute Nca Radio Radio antenna module (on rear window header panel) Radio fuse 2a Radio prem fuse 15a (2000) Radio pwr Radio, hvac fuse 15a (1999) Radio, hvac, rfa, cel tel, cluster fuse 15a (2000) Rap pwr Rear window antenna grid Red Remote cd player Remote radio fuse 15a (1999) Rf audio Rf feed Rf low Rf rtn Rf spkr Rf tweeter Right front midrange speaker Right front tweeter speaker Right radio control switches Right rear speaker Rr audio Rr feed Rr rtn Rr spkr Rt cd sig S202 S255 (1999) S301 S418 S440 Scan Seek dn Seek up Source Strg ctrl Sub feed Sub rtn Sub- woofer Tan Vol dn Vol up W/ adaptive reception system W/o adaptive reception system Radio Wiring Diagrams, without Amplifier for Buick Regal LS 2000 List of elements for Radio Wiring Diagrams, without Amplifier for Buick Regal LS 2000: 75 (1999) (1999) (2000) A c1 A c2 Am/fm Ant in Ars B c2 Battery C1 a C1 b C2 a C2 b Computer data lines system E & c data E10 E11 E12 E13 E14 E15 E16 F10 F11 F12 F13 F14 F15 F16 Front window antenna grid Fuse block Fuse out G202 (behind dash, right of steering column) Ground Hot at all times Hot in acc or run Illum Inflatable restraint steering wheel control module Interior lights system Left front door speaker Left front tweeter Left radio control switches Left rear speaker Lf spkr Lr spkr Mute Nca Radio Radio antenna module (on rear window header panel) Radio fuse 2a Radio pwr Radio, hvac fuse 15a (1999) Radio, hvac, rfa, cel tel, cluster fuse 15a (2000) Rap pwr Rear window antenna grid Red Rf spkr Right front door speaker Right front tweeter Right radio control switches Right rear speaker Rr spkr S202 S255 S301 s418 Scan Seek dn Seek up Source Strg ctrl Tan Vol dn Vol up W/ adaptive reception system W/o adaptive reception system
SHIFT INTERLOCKS Electric Park Lock Wiring Diagram for Buick Regal LS 2000 List of elements for Electric Park Lock Wiring Diagram for Buick Regal LS 2000: 8 Automatic transaxle control (btsi) (center of console) G201 (behind the right side of the glove box) Hot in off, run or start I/p fuse block (right side of dash, in right door opening) Park lock fuse 10a Park position switch (closed in park) S230 Steering column electric park lock (in steering column, near ignition key cylinder) Shift Interlock Wiring Diagram for Buick Regal LS 2000 List of elements for Shift Interlock Wiring Diagram for Buick Regal LS 2000: 21 (on transaxle stud) A12 Automatic transaxle control (btsi) (center of console assembly) Automatic transmission shift lock control actuator (btsi) (in column shift) Btsi park lock fuse 10a Btsi solenoid C11 Century, intrigue G129 Hot in run, bulb test or start I/p fuse block (right side of dash, in right door opening) Park lock solen- oid Pnk Pnk a Regal Regal century, intrigue S105 S106 (intrigue) (regal, century) Stoplamp switch (open when brake pedal depressed) (on brake pedal support) Transaxle range switch (on top right rear of transaxle) Underhood fuse block
STARTING/CHARGING Charging Wiring Diagram for Buick Regal LS 2000 List of elements for Charging Wiring Diagram for Buick Regal LS 2000: 28 (not used) a A8 c1 B12 Battery Charge ind Cluster fuse 10a Computer data lines F term monitor Fusible link (10 ga- rust) G101 (right side of engine compt, at base of battery) G129 (left of starter, on transaxle stud) Gen fuse 10a Generator l Hot at all times Hot in run, bulb test or start I/p fuse block (behind right side of dash, in right door opening) Instrument cluster L term monitor c2 P b+ Pnk Power distribution system Powertrain control module (pcm) (left side of engine compt, in air cleaner assembly) Red Ser. data class 2 c1 Solid state Splice pack (s205) (below dash, right of steering column) Starter solenoid Underhood fuse block (mounted to right strut tower) Starting Wiring Diagram for Buick Regal LS 2000 List of elements for Starting Wiring Diagram for Buick Regal LS 2000: 38 (2000) (2001) (or red) 30a Acc B red Battery Bulb test Charging circuit (fusible link) Crank Crank maxifuse 40a Crank relay Crank signal bcm, cluster fuse 1oa G101 (right side of engine compartment, at base of battery) G129 (left of starter, on transaxle stud) Hold- in coil Hot at all times I/p fuse block (behind right side of dash, in right door opening) Ign main 1 fuse 40a Ignition switch Lock Nca Off Park neutral position (pnp) switch (on top right rear of transaxle) Pcm bcm u/h relay fuse 10a Pnk Powertrain control module (pcm) (left front side of engine compartment, in air cleaner assembly) Pull- in coil Red Remote battery stud Run S228 S234 Start Starter enable Starter motor Starter solenoid Underhood fuse block (mounted to right strut tower)
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Buick Regal LS 2000 List of elements for Supplemental Restraint Wiring Diagram for Buick Regal LS 2000: 46 (driver seat adjuster wiring harness, approximately 20 cm (8 inches) from 6 pin in-line connector, below driver's seat) s330 (inside left door sill forward of left front seat) g309 A10 A11 A12 A13 A14 A15 A16 A17 A18 Air bag fuse 10a Air bag warning indicator B11 Body control module (bcm) (behind left side of dash, left of steering column) Case ground Data link connector (dlc) (partial) (under left side of dash, right of steering column) Driver frontal high Driver frontal low Driver side high Driver side low Fuse block (behind right side of dash, in right door opening) G201 (behind right side of dash) Ground Hot in run, bulb test & start If equipped Ignition Inflatable restraint driver seat module Inflatable restraint i/p module Inflatable restraint sensing & diagnostic module (sdm) (below carpet, under right front seat) Inflatable restraint side impact sensor (mounted on bottom of left "b" pillar) Inflatable restraint steering wheel module Inflatable restraint steering wheel module coil Instrument cluster Nca Pass frontal high Pass frontal low Powertrain control module (pcm) (left front side of engine compartment, in air cleaner assembly) Seat belt switch Seat belt switch (part of driver's seat belt assembly) Sensor high Sensor low Serial data class 2 Shorting bar Solid state Splice pack sp205 (below dash, right side of steering column)
TRANSMISSION
3.8L 3.8L VIN 1, A/T Wiring Diagram, 4T65-E for Buick Regal LS 2000 List of elements for 3.8L VIN 1, A/T Wiring Diagram, 4T65-E for Buick Regal LS 2000: 70 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 Body control module & instrument cluster Class ii data Cluster fuse 10a Data link connector (partial) (below dash, right of steering column) Ecm fuse 10a Ect sensor in Ect sensor return Eng emis fuse 10a Engine controls system Engine coolant temperature sensor (below throttle body) Fuse block (behind right side of dash) G129 (left side of engine on transaxle stud) 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 in Instrument cluster Malfunction indicator lamp Mil ctrl Pc sol hi Pc sol lo Pcm ground Pcm-bcm fuse 10a Pnk Powertrain control module (left front side of engine compt, in air cleaner assembly) Pressure control sol Red Rev S105 S106 S270 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 Tft sensor return Throttle position sensor (on throttle body assembly) Tp sensor in Tp sensor return Tr sw in-a Tr sw in-b Tr sw in-c Tr sw in-p Trans fuse 10a Trans range a in Trans range b in Trans range c in Transaxle range switch (top of transaxle) Underhood accessory wiring junction block (mounted to right strut tower) Vehicle speed sensor (lower right rear of engine compt, end of transaxle) Vss hi (signal) Vss lo (ground) 3.8L VIN K, A/T Wiring Diagram, 4T65-E for Buick Regal LS 2000 List of elements for 3.8L VIN K, A/T Wiring Diagram, 4T65-E for Buick Regal LS 2000: 70 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 Body control module & instrument cluster Class ii data Cluster fuse 10a Data link connector (partial) (below dash, right of steering column) Ecm fuse 10a Ect sensor in Ect sensor return Eng emis fuse 10a Engine controls system Engine coolant temperature sensor (below throttle body) Fuse block (behind right side of dash) G129 (left side of engine on transaxle stud) 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 in Instrument cluster Malfunction indicator lamp Mil ctrl Pc sol hi Pc sol lo Pcm ground Pcm-bcm fuse 10a Pnk Powertrain control module (left front side of engine compt, in air cleaner assembly) Pressure control sol Red Rev S105 S106 S270 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 Tft sensor return Throttle position sensor (on throttle body assembly) Tp sensor in Tp sensor return Tr sw in-a Tr sw in-b Tr sw in-c Tr sw in-p Trans fuse 10a Trans range a in Trans range b in Trans range c in Transaxle range switch (top of transaxle) Underhood accessory wiring junction block (mounted to right strut tower) Vehicle speed sensor (lower right rear of engine compt, end of transaxle) Vss hi (signal) Vss lo (ground)
TRUNK, TAILGATE, FUEL DOOR Trunk, Tailgate, Fuel Door Wiring Diagrams for Buick Regal LS 2000 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagrams for Buick Regal LS 2000: 23 A12 Body control module (bcm) (behind left side of dash, left of steering column) C11 C2 underhood accessory wiring junction block c1 (mounted to right strut tower) Computer data lines system Door locks fuse 20a Fuse block (behind right side of dash, in right door opening) G129 (left of starter, on transaxle stud G207 (on steering column) G313 (right side of rear shelf) Hot at all times Radio, hvac, rfa, cluster, cel tel fuse 15a Rear compartment lid lock release actuator (near rear compartment lid latch) Rear compartment lid lock switch Rear compartment lid release relay (behind glove box, mounted to cross- car beam) Remote control door lock receiver (rcdlr) (left side of dash, on right side of instrument cluster) S105 S202 S211 S269 S930 Shift interlock system Transaxle range switch (top right rear of transaxle)
WARNING SYSTEMS Warning System Wiring Diagrams for Buick Regal LS 2000 List of elements for Warning System Wiring Diagrams for Buick Regal LS 2000: 62 (left side of engine, in air cleaner) powertrain control module (pcm) (passenger's (w/ heated seats) (w/o heated seats) s303 Accessory Ajar B10 B11 B12 Bcm acc fuse 10a Body control module (bcm) (behind left side of dash, left of steering column) Body harn, on floor, under seat) s322 Cluster fuse 10a Computer data lines system Crank Crank signal, bcm clstr fuse 10a Ctsy Door ajar Fuse block G204 (below dash, left side of steering column) G205 (below dash, right side of steering column) G309 (left front door sill) Ground Head Headlamp switch Hot at all times Hot in accy Hot in off, bulb test, run or start Hot in run, bulb test or start Hot in start Ign 0, cluster, pcm & bcm 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 Off Or run Park Park brake (ign 1) Park brake indi- cator switch Park lp off Pcm, bcm u/h relay fuse 10a Pnk S211 S234 S270 S330 S504 Seat belt switch Seat belt switch (ign 1) Serial data class Serial data class 2 Splice pack sp205 (below dash, right side of steering column) Tan Tire inflation Tire inflation reset switch (in fuse block) Under- hood acces- sory wiring junction block
WIPER/WASHER Wiper/Washer Wiring Diagram for Buick Regal LS 2000 List of elements for Wiper/Washer Wiring Diagram for Buick Regal LS 2000: 19 (behind right side of glove box) g201 (below dash, left side of steering column) g204 Delay Hot in accy or run I/p fuse block (behind right side of dash, in right door opening) Instrument panel cluster Mist Off On right side of steering column) s249 Red Washer switch Wind- shield washer fluid level switch (in washer fluid reservoir) Windshield washer pump (in washer fluid reservoir) Windshield wiper motor (on left side of firewall, below air inlet screen) Windshield wiper/washer switch Wiper fuse 25a Wiper motor Wiper motor controller Wiper switch
