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 GS 2002 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Buick Regal GS 2002: 75 (dash harn, 18 cm from radio breakout) s230 (dash harn, 4 cm from breakout to radio) (dash harn, 4 cm from radio breakout) (on right side of of hvac module) vacuum/ electric solenoid (right side of dash) g200 (right side of dash) g201 5 v ref A/c solenoid Air temp dr ctrl Air temperature actuator (left) (left side of hvac module) Air temperature actuator (right) (right side of hvac module) Air temperature sensor (inside) (below instrument cluster) Ambient air temperature sensor (front of radiator support) Ambient temp sig Battery Bi-level solenoid Blower motor (in hvac module) Blower motor control processor (right side of dash, in hvac module) Blower speed ctrl C10 C11 C12 C13 C14 C15 C16 Class 2 serial data Cntrl in D10 D11 D12 D13 D14 D15 D16 Data link connector (dlc) (under left side of dash, right of steering column) Def mode sol ctrl Defrost solenoid Gnd Grd Heater solenoid High blower fuse 30a Hot at all times Hot in run Hvac control module Hvac fuse 10a I/p fuse block (behind right side of dash) Ign 3 voltage Inside temp sig Interior lights system Ip dim sw sig Low ref Lt temp dr pos Lwr mode sol ctrl Mix-blnd sol ctrl Nca Radio,hvac, rfa, cluster data link fuse 15a Rear defogger system Recirc sol ctrl Recirc solenoid Red Rr defog rly ctrl Rt temp dr ctrl Rt temp dr pos S202 (dash harn, right of steering column) S231 (dash harn, 34 cm from heater-a/c control breakout) S233 S258 Solid state Sp205 (right side of steering column) Spd cntrl Sun load sig Sunload sensor (top right side of dash, near) defogger outlet) Tan Upper mode sol ctrl Automatic A/C Wiring Diagram (2 of 2) for Buick Regal GS 2002 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Buick Regal GS 2002: 50 (cool fan jumper harn, 19cm from right conn to cooling fan motor) (cooling fan jumper harn, 19cm from right conn to cooling fan motor) s104 (cooling fan jumper harn, 20cm from left conn to cooling fan motor) (engine harn, 4 cm from coolant fan breakout) s105 (engine harn, 4 cm from pcm breakout) (fuel inj harn, near breakout to map sensor) (top left side of engine, below throttle body) 3.1l 3.8l 5 volt ref A/c compressor clutch A/c clu diode A/c clutch fuse 23 10a A/c clutch relay 15 A/c press signal A/c refrigerent pressure sensor (left front strut tower, on a/c liquid line) A10 A11 C11 Class 2 ser data Clutch rly ctrl Cool fan 1 fuse 15a Cool fan 2 fuse 15a Cool fan 1 relay Cool fan 2 relay Cool fan 3 relay Coolant fan (left) Coolant fan (right) E10 Ect ground Ect signal Engine controls system Engine coolant temperature (ect) sensor F12 G113 (left front of engine) Hi spd rly ctrl Hot at all times Ign main relay (closed in run or start) Left cooling fan diode (3.1l) Lo spd rly ctrl Low ref Nca Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly) Right cooling fan diode (3.1l) S101 S102 S103 S121 S167 Underhood fuse block (right side of engine compt, mounted to strut tower) Compressor Wiring Diagram for Buick Regal GS 2002 List of elements for Compressor Wiring Diagram for Buick Regal GS 2002: 41 (dash harn, 18 cm from radio breakout) s230 (left front of engine) g113 (w/ auto a/c) (w/ manual a/c) 5 volt ref A/c clu diode A/c clutch fuse 23 10a A/c clutch relay 15 A/c compressor clutch A/c press signal A/c refrigerent pressure sensor (left front strut tower, on a/c liquid line) A/c request Auto a/c Battery C11 C12 Class 2 ser data Clutch request Clutch rly ctrl D12 Engine controls system G200 (right side of dash) Ground Hot at all times Hot in run Hvac control module Hvac fuse 10a I/p fuse block (behind right side of dash) Ign main relay (closed in run or start) Ignition Low ref Manual a/c Powertrain control module (left front side of engine compt, in air cleaner assembly) Rdo, hvac, rfa clstr, cel tel fuse 10a S105 (engine harn, 4 cm from coolant fan breakout) S167 (engine harn, 4 cm from pcm breakout) S202 (dash harn, 19 cm from radio breakout) S233 (dash harn, 4 cm from radio breakout) Serial data Sp205 (right side of steering column) Underhood fuse block (right side of engine compt) Manual A/C Wiring Diagram for Buick Regal GS 2002 List of elements for Manual A/C Wiring Diagram for Buick Regal GS 2002: 86 (cool fan jumper harn, 19cm from right conn to cooling fan motor) (cooling fan jumper harn, 19cm from right conn to cooling fan motor) s104 (cooling fan jumper harn, 20cm from left conn to cooling fan motor) (dash harn, 18 cm from radio breakout) (dash harn, 4 cm from radio breakout) s233 (engine harn, 4 cm from coolant fan breakout) (engine harn, 4 cm from pcm breakout) (fuel inj harn, near breakout to map sensor) (left side of hvac module) air temperature actuator (left) (right side of dash) g200 (top left side of engine, below throttle body) +5v reference 3.1l 3.8l A/c compressor clutch A/c clu diode A/c clutch fuse 23 10a A/c clutch relay 15 A/c press signal A/c refrigerent pressure sensor (at left front strut tower, on a/c liquid line) A/c request sig A10 A11 Air temperature actuator (right) (right side of hvac module) Battery Blower motor (behind right side of dash, in hvac module) Blower motor resistor assembly (under right side of dash, right side of hvac module) C11 Clutch request Comp control Cool fan 1 fuse 15a Cool fan 2 fuse 15a Cool fan 1 relay Cool fan 2 relay Cool fan 3 relay Cooling fan (left) Cooling fan (right) Defogger on Defogger system Drvr temp ctrl E10 Ect ground Ect signal Engine controls system Engine coolant temperature (ect) sensor F12 Fan off input G113 (left front of engine) G200 (right side of dash) Gnd Ground High blower fuse 30a High blower relay High speed Hot at all times Hot in run Hvac control module Hvac fuse 10a I/p fuse block (behind right side of dash) Ign Ign main relay (closed in run or start) Ignition Interior lights Interior lights system Lamp dim sig Left cooling fan diode (3.1l) Low blower fuse 20a Low reference Low speed Nca Nca nca Off Pass temp ctrl Pos Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly) Rdo, hvac, rfa clstr, cel tel fuse 10a Right cooling fan diode (3.1l) S101 S102 S103 S105 S121 S167 S230 Tan Underhood fuse block (right side of engine compt, mounted to strut tower)
ANTI-LOCK BRAKES Anti-lock Brake Wiring Diagrams for Buick Regal GS 2002 List of elements for Anti-lock Brake Wiring Diagrams for Buick Regal GS 2002: 63 A10 A11 Abs fuse 1 60a Abs fuse 10a Anti-lock fail ind B10 B11 B12 Battery Body control module (bcm) (behind left side of dash) Brake fluid level switch (in brake fluid reservoir) Brake ind Brake pressure modulator valve C10 C11 Cluster fuse 10a Data link connector (dlc) (under left side of dash) Delivered torque Desired torque Electronic brake control module (ebcm) (at left side of engine compt, near strut tower) Electronic power steering system G113 (left of starter, on transaxle stud) G203 (below dash, right side of steering column) Ground Hot at all times Hot in run or start Hot in run, bulb test or start I/p fuse block (behind right side of dash) Ignition Instrument panel cluster Interior lights system Left front wheel spd (hi) Left front wheel spd (lo) Left front wheel speed sensor Left rear wheel spd (hi) Left rear wheel spd (lo) Left rear wheel speed sensor Low trac ind Nca Pnk Powertrain control module (pcm) (left front side of engine compt) Pump motor Red Regal Right front wheel spd (hi) Right front wheel spd (lo) Right front wheel speed sensor Right rear wheel spd (hi) Right rear wheel spd (lo) Right rear wheel speed sensor S205 (i/p harn, right side of steering column) S211 Serial data signal Splice pack sp205 (right side of steering column) Stop lamp sw out Stop lamp switch (on brake pedal support bracket) Stop lamps fuse 15a Strng var assist motor Tan Trac off ind Traction control switch Underhood fuse block (mounted to right strut tower) Vent tube
ANTI-THEFT Anti-theft Wiring Diagram for Buick Regal GS 2002 List of elements for Anti-theft Wiring Diagram for Buick Regal GS 2002: 49 B10 B12 Batt Bcm gnd Bcm pwr fuse 10a Body control module (behind left side of dash, left of steering column) Cluster fuse 10a Crank fuse 2 40a Crank relay ii Crank signal bcm, cluster fuse 10a Data link connector (dlc) (under left side of dash, right of steering column) F10 G203 (below dash, right side of steering column) Hot at all times Hot in off, run or start Hot in run or start Hot in run, bulb test or start Ign Ign 0 Ign 0: cluster pcm & bcm fuse 10a Ign key sig Ign ref lo Ignition switch Instrument panel cluster Ip fuse block K10 K11 Key Key in Key in sig Key out M10 M11 Park/neutral position (pnp) switch (top right rear of transaxle) Pass-key enable switch Pcm bcm u/h relay fuse 10a Pnk Powertrain control module (left front side of engine compt, in air cleaner assembly) Resistor pellet S211 S270 Security indicator Serial data Splice pack sp205 (below dash, right side of steering column) Starter enable Starter rly ctrl Starter solenoid Tan Underhood fuse block (mounted to right strut tower)
BODY COMPUTER Body Computer Wiring Diagrams for Buick Regal GS 2002 List of elements for Body Computer Wiring Diagrams for Buick Regal GS 2002: 95 (2 door) (regal) A10 A11 A12 Anti-lock brakes system Anti-theft system B10 B11 B12 Bcm acc fuse 10a Bcm power fuse 10a Body control module (bcm) (behind left side of dash, left of steering column) Computer data lines system Courtesy lamp low ctrl Courtesy lamp sw out Crank, signal, bcm, cluster fuse 10a Door lock switch, driver Door lock switch, front passenger Door locks fuse 20a Driver door ajar sw sig Driver seat belt sw input Drl mod output-park brake Drl photocell ret Drl photocell sig Exterior lights system Fog lamp sw out Fuse block, underhood Fuse output-acc/run/crank Fuse output-accessory Fuse output-bat Fuse output-crank Fuse output-ignition 1 G201 (below dash, left of steering column) G203 (below dash, right of steering column) G301 (left front door sill) Grd Headlamp sw output Headlamp sw sig Headlights system Horn relay output Horns system Hot at all times Hot in acc or run Hot in off, run or start Hot in run or start I/p block block I/p fuse block Ign 0, cluster, pcm & bcm fuse 10a Ignition key alarm switch Ignition key resistor lo ref Ignition key resistor sig Inadv power bus fuse 15a Interior lights system Key reminder sw sig Lf turn sig lamp feed Lf turn sig sw output Lock Low tire press reset sw sig Nca Park brake switch (on parking brake assembly) Park lamp sw sig-off Park lamp sw sig-on Pcm, bcm u/h relay fuse 10a Pnk Power distribution system Power distribution system (rap) Pwr dr lk mtr feed Pwr dr lock sw out Pwr dr lock sw output Rap relay ctrl Remote keyless entry circuit Rf turn sig lamp feed Rf turn sig sw output Right ft door open sw sig S211 S234 S269 S270 S283 S303 S330 S504 S604 Seat belt switch (part of driver's seat belt asembly) Serial data sig Serial data signal class 2 Tan Tire reset switch Traction ctrl sig sw Trunk ajar sw sig Trunk lid release sw sig Trunk release rly feed Trunk, tailgate, fuel doors system Unlock
COMPUTER DATA LINES Computer Data Lines for Buick Regal GS 2002 List of elements for Computer Data Lines for Buick Regal GS 2002: 23 Body control module (bcm) (behind left side of dash, left of steering column) D12 Data clss 2 Data link connector (dlc) (under left side of dash, right of steering column) E & c ser data E & c ser data c2 E1 e & c ser data Electronic brake control module (ebcm) (at left side of engine compt, near strut tower) G200 (behind right side of glove box) G203 (below dash, right side of steering column) Hot at all times Hvac control module I/p fuse block (behind right side of dash, in right door opening) Inflatable restraint sensing & diagnostic module (sdm) (below carpet, under right front seat) Instrument cluster Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly) Radio Radio, hvac, rfa, cluster, data link fuse 15a S202 S211 S230 Splice pack sp205 (below dash, right of steering column) Vehicle communications interface module
COOLING FAN Cooling Fan Wiring Diagram for Buick Regal GS 2002 List of elements for Cooling Fan Wiring Diagram for Buick Regal GS 2002: 36 (cool fan jumper harn, 19cm from right conn to cooling fan motor) (cooling fan jumper harn, 19cm from right conn to cooling fan motor) s104 (cooling fan jumper harn, 20cm from left conn to cooling fan motor) (engine harn, 4 cm from fan jumper breakout) (fuel inj harn, near breakout to map sensor) 3.1l 3.8l A10 A11 C11 Cool fan 1 fuse 15a Cool fan 2 fuse 15a Cool fan 1 relay Cool fan 2 relay Cool fan 3 relay Coolant fan (left) Coolant fan (right) E10 Ect sig Engine controls (map sensor) Engine coolant temperature (ect) sensor (top left side of engine, below throttle body) F12 G110 (left front of engine) High spd Hot at all times Left cooling fan diode (3.1l) Low spd Nca Powertrain control module (pcm) (left front side of engine compt, in air cleaner assembly) Right cooling fan diode (3.1l) S101 S102 S103 S105 S121 Underhood fuse block (right side of engine compt, mounted to strut tower)
CRUISE CONTROL Cruise Control Wiring Diagram for Buick Regal GS 2002 List of elements for Cruise Control Wiring Diagram for Buick Regal GS 2002: 38 (front of left strut tower) All times Brake signal input Cruise control module Cruise control release switch (left side of dash) Cruise control switch Cruise fuse 10a Cruise on/off Disable input Disable output Engage input Engaged output Exterior lights system G201 (below dash, left of steering column) Ground Hot at Hot in run I/p fuse block (behind right side of dash) Ignition Instrument cluster system Off Powertrain control module (pcm) (front left side of engine compt) R/a Release signal Resume/accel S205 (i/p harness, near steering column) S240 S283 S295 (behind ashtray) Set sw Set/coast Stop lamps fuse 15a Stoplight switch (brake pedal support bracket) Vehicle speed input Vehicle speed sensor (vss) (lower right of engine, compt, on transaxle) Vss high Vss low Vss output
DEFOGGERS Defogger Wiring Diagram for Buick Regal GS 2002 List of elements for Defogger Wiring Diagram for Buick Regal GS 2002: 31 (behind the right side of glove box) (left front door sill) g301 (left side of rear shelf) g401 (man a/c) C1 (auto a/c) c2 D nca D15 d Driver outside rearview mirror G200 Heated mirror fuse 10a Hot at all times Hot in run Hvac control module Hvac fuse 10a I/p fuse block Mirror defogger Nca On ind On/off momentary defogger switch Passenger outside rearview mirror Radio noise suppressor (in right "c" pillar) Rear defog circuit breaker 30a Rear window defogger Rear window defogger relay (behind glove box, mounted to underside of cross-car beam) S230 S233 S268 (i/p harn, near blwr motor) nca S504 S604 Solid state timer Under driver's seat)
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Buick Regal GS 2002 List of elements for Electronic Power Steering Wiring Diagram for Buick Regal GS 2002: 26 A11 A9 c1 Abs fuse 1 60a Abs fuse 10a B10 B11 Bat Computer data lines system Data link connector (dlc) (under left side of dash) Electronic brake control module (ebcm) (at left side of engine compt, near strut tower) Engine controls system G113 (left of starter, on transaxle stud) Ground Hot at all times Hot in run or start I/p fuse block (behind right side of dash) Ignition Magnasteer actuator (top left of steering rack) Msva high Msva lo Nca Pnk Red Serial data Splice pack sp205 Underhood fuse block (right front strut tower)
ENGINE PERFORMANCE
3.8L 3.8L VIN 1, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal GS 2002 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal GS 2002: 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 5 volt ref A/t iss sensor high A/t iss sensor low Air solenoid relay Camshaft position sensor (cmp) (front of eng, above crankshaft pulley) Cmp signal Cooling fans system Crankshaft position sensor (ckp) (front of eng, behind harmonic balancer) Cruise control system Cruise disable output Data link connector (dlc) (under left side of dash, right of steering column) Ecm fuse 22 10a Ect sensor signal Egr val control (gnd) Elek ign fuse 25 15a Eng emis fuse 30 10a Evap purge val control F/injr fuse 28 15a Fuel inj 1 control Fuel inj 2 control Fuel inj 4 control Fuel inj 5 control Fuel inj 6 control G113 High speed fans control Hos1 low Hos2 low Hot at all times Hot in off, run bulb test, or start Hot in run, bulb test or start I/p fuse block (behind right side of dash, in right door opening) Iac coil b high Iat sensor ground Ic control Ign 0 fuse 10a Ignition control Ignition control module (icm) (top front of eng) Ignition wake up power Knock sensor bank 1 (left side of eng, in front of starter) Knock sensor bank 2 (right side of eng, below exhaust manifold) Knock sensor signal 1 Knock sensor signal 2 Low speed fans control Maf sensor signal Map sensor signal Pcm ground Pnk Pnk p Power (battery) Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly) Ref low S106 S144 S145 S270 Sensor grd Sensor ground Serial data (class 2) Spark plugs Splice pack sp205 Tan Tcc brake switch input Tp sensor signal Tr switch input b Trans fluid press sw a Underhood fuse block (mounted to right strut tower) Vss high Vss low Vss output 3.8L VIN 1, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal GS 2002 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal GS 2002: 28 (on transaxle stud) Air pump fuse 20 30a Air pump relay C10 D10 E10 Eng emis fuse 30 10a Evaporative emissions (evap) canister purge solenoid valve (top left side of eng, near center of valve cover) Evaporative emissions (evap) canister vent solenoid valve (behind left side of rear fascia splash shield, in wheelwell) Fuel injectors G101 (left side of front end upper tie bar) G113 G113 (on transaxle stud) Hot at all times Hot in run and start Nca Pnk Red S105 S106 S109 Secondary air injection (air) pump motor Secondary injection solenoid Stoplight switch (on brake pedal support bracket) Tan Transaxle range switch (on top right rear of transaxle) Underhood fuse block (mounted to right strut tower) Vehicle speed sensor (vss) (lower right side of eng compt, on transaxle) 3.8L VIN 1, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal GS 2002 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal GS 2002: 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) G113 Hot in run, bulb test or start Instrument cluster Intake air temperature (iat) sensor (left front of eng compt, in air cleaner duct) Malfunction indicator lamp Manifold absolute pressure (map) sensor (top of engine, on front of intake manifold) Nca Oxy sen fuse 29 15a Pnk S105 S167 S409 Supercharger boost control solenoid (vin 1) (top left rear of eng) Tan Throttle position (tp) sensor (on throttle body assembly) Trans fuse 26 10a Underhood fuse block (mounted to right strut tower) 3.8L VIN 1, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal GS 2002 List of elements for 3.8L VIN 1, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal GS 2002: 89 (fuel pump prime terminal) (on transaxle stud) (pin 12-15 not used) (pin 36-38 not used) (pin 40-41 not used) (pin 47-48 not used) (pin 51-54 not used) (pin 6 & 8 not used) (pin 62 & 64-65 not used) (pin 70-74 not used) (right side of rear shelf) 1-2 shift solenoid 2-3 shift solenoid 5v ref a A/c compress clutch rly A/c refrig press signal A/c request signal A/t iss solenoid A11 Air conditioning system Air pump relay Auto transaxle fluid temperature sensor Automatic transaxle fluid pressure manual valve position switch Boost ctrl sol ctrl Cluster fuse 10a Crank Crank signal fuse 10a Cruise control system Cruise engaged input D10 Ect sensor signal Egr pintle position signal Egr val ign positive volt Eng oil level ind in Eng oil press sensor sig Evap can vent sol F/pmp fuse 35 15a F/pmp spd cont relay (vin 1 w/ fog lights) F/pump relay Fuel inj 3 control Fuel level sensor Fuel level sensor input Fuel pump Fuel pump relay control Fuel tank Fuel tank press signal G113 G402 Gen terminal f output Gen terminal l output Ho2s 1 signal Ho2s 2 signal Hot at all times Hot in run, bulb test, or start Hot in start I/p fuse block (behind right side of dash, in right door opening) Iac coil a high Iac coil a low Iac coil b low Iat sensor signal Ignition positive volt (2) Map sensor signal Mil control Pc sol valve high Pc sol valve low Pcm,bcm ign relay fuse 10a Pnk Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly) Ps solenoid Red S106 S234 Sensor ground Starter enable control Starting/ charging system Tan Tan b Tcc release switch input Tcc sol valve control Tcc solenoid Tft sensor signal Tp sens or signal Tr switch input a Tr switch input c Tr switch input d Trans fluid press sw b Transaxle Underhood accessory fuse block (mounted to right strut tower) Underhood fuse block (mounted to right strut tower) 3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal GS 2002 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Buick Regal GS 2002: 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 5 volt ref A/t iss sensor high A/t iss sensor low Air solenoid relay Camshaft position sensor (cmp) (front of eng, above crankshaft pulley) Cmp signal Cooling fans system Crankshaft position sensor (ckp) (front of eng, behind harmonic balancer) Cruise control system Cruise disable output Data link connector (dlc) (under left side of dash, right of steering column) Ecm fuse 22 10a Ect sensor signal Egr val control (gnd) Elek ign fuse 25 15a Eng emis fuse 30 10a Evap purge val control F/injr fuse 28 15a Fuel inj 1 control Fuel inj 2 control Fuel inj 4 control Fuel inj 5 control Fuel inj 6 control G113 High speed fans control Hos1 low Hos2 low Hot at all times Hot in off, run bulb test, or start Hot in run, bulb test or start I/p fuse block (behind right side of dash, in right door opening) Iac coil b high Iat sensor ground Ic control Ign 0 fuse 10a Ignition control Ignition control module (icm) (top front of eng) Ignition wake up power Knock sensor bank 1 (left side of eng, in front of starter) Knock sensor bank 2 (right side of eng, below exhaust manifold) Knock sensor signal 1 Knock sensor signal 2 Low speed fans control Maf sensor signal Map sensor signal Pcm ground Pnk Pnk p Power (battery) Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly) Ref low S106 S144 S145 S270 Sensor grd Sensor ground Serial data (class 2) Spark plugs Splice pack sp205 Tan Tcc brake switch input Tp sensor signal Tr switch input b Trans fluid press sw a Underhood fuse block (mounted to right strut tower) Vss high Vss low Vss output 3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal GS 2002 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Buick Regal GS 2002: 28 (on transaxle stud) Air pump fuse 20 30a Air pump relay C10 D10 E10 Eng emis fuse 30 10a Evaporative emissions (evap) canister purge solenoid valve (top left side of eng, near center of valve cover) Evaporative emissions (evap) canister vent solenoid valve (behind left side of rear fascia splash shield, in wheelwell) Fuel injectors G101 (left side of front end upper tie bar) G113 G113 (on transaxle stud) Hot at all times Hot in run and start Nca Pnk Red S105 S106 S109 Secondary air injection (air) pump motor Secondary injection solenoid Stoplight switch (on brake pedal support bracket) Tan Transaxle range switch (on top right rear of transaxle) Underhood fuse block (mounted to right strut tower) Vehicle speed sensor (vss) (lower right side of eng compt, on transaxle) 3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal GS 2002 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Buick Regal GS 2002: 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) G113 Hot in run, bulb test or start Instrument cluster Intake air temperature (iat) sensor (left front of eng compt, in air cleaner duct) Malfunction indicator lamp Manifold absolute pressure (map) sensor (top of engine, on front of intake manifold) Nca Oxy sen fuse 29 15a Pnk S105 S167 S409 Supercharger boost control solenoid (vin 1) (top left rear of eng) Tan Throttle position (tp) sensor (on throttle body assembly) Trans fuse 26 10a Underhood fuse block (mounted to right strut tower) 3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal GS 2002 List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Buick Regal GS 2002: 89 (fuel pump prime terminal) (on transaxle stud) (pin 12-15 not used) (pin 36-38 not used) (pin 40-41 not used) (pin 47-48 not used) (pin 51-54 not used) (pin 6 & 8 not used) (pin 62 & 64-65 not used) (pin 70-74 not used) (right side of rear shelf) 1-2 shift solenoid 2-3 shift solenoid 5v ref a A/c compress clutch rly A/c refrig press signal A/c request signal A/t iss solenoid A11 Air conditioning system Air pump relay Auto transaxle fluid temperature sensor Automatic transaxle fluid pressure manual valve position switch Boost ctrl sol ctrl Cluster fuse 10a Crank Crank signal fuse 10a Cruise control system Cruise engaged input D10 Ect sensor signal Egr pintle position signal Egr val ign positive volt Eng oil level ind in Eng oil press sensor sig Evap can vent sol F/pmp fuse 35 15a F/pmp spd cont relay (vin 1 w/ fog lights) F/pump relay Fuel inj 3 control Fuel level sensor Fuel level sensor input Fuel pump Fuel pump relay control Fuel tank Fuel tank press signal G113 G402 Gen terminal f output Gen terminal l output Ho2s 1 signal Ho2s 2 signal Hot at all times Hot in run, bulb test, or start Hot in start I/p fuse block (behind right side of dash, in right door opening) Iac coil a high Iac coil a low Iac coil b low Iat sensor signal Ignition positive volt (2) Map sensor signal Mil control Pc sol valve high Pc sol valve low Pcm,bcm ign relay fuse 10a Pnk Powertrain control module (pcm) (left front side of eng compt, in air cleaner assembly) Ps solenoid Red S106 S234 Sensor ground Starter enable control Starting/ charging system Tan Tan b Tcc release switch input Tcc sol valve control Tcc solenoid Tft sensor signal Tp sens or signal Tr switch input a Tr switch input c Tr switch input d Trans fluid press sw b Transaxle Underhood accessory fuse block (mounted to right strut tower) Underhood fuse block (mounted to right strut tower)
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Buick Regal GS 2002 List of elements for Backup Lamps Wiring Diagram for Buick Regal GS 2002: 15 (body harness, under left rear seat) s424 A12 c2 B1 c2 Back-up lamp relay (behind left side of dash) Body control module (bcm) (behind left side of dash) G402 (right side of rear shelf) Hot at all times Left back-up lamp Mirrors system (automatic day/night mirror) R/cmpt rel fuse 7.5a Right back-up lamp S905 (rear compt harness, center of trunk lid) S915 Underhood fuse block (mounted to right strut tower) W/ automatic day/night mirror Exterior Lamps Wiring Diagram for Buick Regal GS 2002 List of elements for Exterior Lamps Wiring Diagram for Buick Regal GS 2002: 93 (below dash, left side of steering column) g201 (chmsl harn, center of rear window trim panel, 12 cm from chmsl breakout) s417 (i/p harn, right of steering column) (right side of rear shelf) A c1 A10 A11 A12 A12 c3 A13 A14 A15 Ambient light sensor (top right side of dash, at base of windshield) B c1 Body control module (bcm) (behind left side of dash, left of steering column) C2 f12 C2 f8 Center high mounted stoplamp (chmsl) Corn- ering lamp Cornering lamp D12 Drl ambient light ground ref Drl ambient light signal E10 E11 E12 E13 Exterior lamp off input F11 Frt park lps fuse 10a G side marker lamp G101 (left front side of radiator support) G201 (below dash, left side of steering column) G401 (left side of rear shelf) G402 G402 (right side of rear shelf) Hazard Hazard lamps fuse 15a Headlamp control Headlamp relay (behind glove box, mounted to underside of cross-car beam) Headlamp switch Headlamp switch input Hot at all times Hot in run, bulb test or start I/p fuse block I/p fuse block (behind right side of dash) Instrument panel cluster (ipc) Left Left head- lamp assembly Left rear marker lamp Left rear park lamps Left tail/ turn signal/ stop- lamp Left turn indicator Left turn signal Lp park fuse 20a Marker lamp Nca Normal Off Park Park lamp relay (behind right side of dash) Park lamp relay control Park/ turn signal lamp Pnk Power distribution Rear license lamps Right Right head- lamp assembly Right rear marker lamp Right rear park lamps Right side of steering column, 5 cm from ground breakout) s291 Right tail/ turn signal/ stop- lamp Right turn indicator Right turn signal S124 S205 (dash harness, near steering column) S221 S267 S283 S403 S406 S408 S416 Side g Stop fuse 15a Stoplight switch (on brake pedal support bracket) Tail lamps, lic lamps fuse 15a Turn signal Turn signal/ hazard flasher module (below left side of dash) Turn signal/multifunction switch Turn signals, corn lps fuse 10a Underhood fuse block Underhood fuse block (mounted to right strut tower)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Buick Regal GS 2002 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Buick Regal GS 2002: 78 (century) (cj2) (cj3) (engine harness, 4 cm from engine coolant fan jumper connector breakout) (forward lamp harn, below left headlamp, 7 cm from left headlamp breakout) (front console harn, in console 7 cm from accessory power receptacle breakout) (regal) A/c clu diode A/c compressor clutch A18 Ashtray lamp (century) Auxiliary power outlet (century) Auxiliary power outlet (regal) Battery Blower motor control processor Blower motor resistor assembly C11 C206 Cigar lighter (century) Cigar lighter (regal) Cj2 Cj3 Cool fan 2 relay Data link connector (dlc) Electronic brake control module Engine coolant level switch Engine oil level sensor Engine oil pressure switch F/pump relay Fuse block-underhood G100 (right side of eng compt, at base of battery) G101 (left front side of radiator support) G111 (right side of engine, on ignition control module bracket) G113 (left of starter, on trans- axle stud) G113 (left of starter, on transaxle stud) G200 (behind right side of dash) Heated oxygen sensor 1 Heated oxygen sensor 2 Horns Hvac control module I/p compartment lamp switch Ign main relay Ignition control module (icm) Inflatable restraint sensing & diagnostic module Inflatable restraint steering wheel module coil Left air temperature actuator Left cornering lamp Left fog lamp (regal) Left headlamp Left park/ turn signal lamp Left side marker lamp Left steering wheel controls Mass airflow (maf) sensor Nca Park/ neutral position switch Power drop connector Powertrain control module (pcm) Prndl lamp (regal) Red Regal Right air temperature actuator Right cooling fan Right cornering lamp Right fog lamp (regal) Right headlamp Right park/ turn signal lamp Right side marker lamp Right steering wheel controls S105 S106 (eng harn, 7 cm from pcm breakout) S124 S334 S335 Secondary air injection (air) pump Steering column electric park lock (regal) Vin k Windshield washer fluid level switch Windshield washer fluid pump Ground Distribution Wiring Diagram (2 of 2) for Buick Regal GS 2002 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Buick Regal GS 2002: 98 (31 cm from left sunshade mirror breakout) (back-up lamp harness, in rear compt lid) (body harness, right side of trunk) (left tail lamp harn) (right side of rear shelf) g402 A12 Audio amplifier (w/ amp) Below driver's seat) s303 Body control module (bcm) Brake fluid level switch Breakout) C201 Center high mounted stop lamps Cruise control module Data link connector (dlc) Driver information display switch (regal) Driver seat adjuster switch Driver seat belt switch Driver seat heater control module Driver seat heater switch Driver window master switch Driver's heated seat back element Driver's heated seat thermister E16 Enhanced sound w/ gps Enhanced sound w/o gps Fog lamp switch (regal) Fuel pump G201 (below dash, left side of steering column) G203 (below dash, right side of steering column) G301 (left front door sill) G401 (left side of rear shelf) G402 (right side of rear shelf) Ground (on steering column) Harn, 5 cm from s383 Headlamp dimmer switch Headlamp relay Headlamp switch Headlamp switch breakout) Ignition key alarm switch In rear compt lid) s905 Inside rearview mirror Instrument panel cluster (ipc) Left back-up lamp Left front door lock Left front door lock switch Left license lamp Left outside rearview mirror Left rear door lock (ajar indicator switch) Left rear park lamp Left rear side marker lamp Left roof rail courtesy/ reading lamp Left tail/ stop/turn signal lamp Left vanity mirror lamp Nca Outside remote control rearview mirror switch Passenger seat adjuster switch Passenger seat heater control module Passenger seat heater switch Passenger's heated seat back element Passenger's heated seat thermistor Radio Radio antenna module Radio noise suppressor Rear compartment lid ajar switch Rear compartment lid lock release actuator Rear compartment lid release switch Rear compartment occupant sensor Rear window defogger grid Remote control door lock receiver Right back-up lamp Right front door lock (ajar indicator switch) Right front door lock switch Right front window switch Right license lamp Right outside rearview mirror Right rear door lock (ajar indicator switch) Right rear park lamp Right rear side marker lamp Right roof rail courtesy/ reading lamp Right tail/ stop/turn signal lamp Right vanity mirror lamp S211 (i/p harness, 20 cm from inst cluster breakout) S330 (driver's seat harn, below driver's seat) S333 (pass seat harn, under pass seat) S402 (right tail lamp harness) S403 S414 S604 (right front door harness, 8 cm from window switch breakout) Sunroof module Tan Tire reset switch Traction control switch (regal) Turn signal/ hazard flasher module Vehicle communications interface module W/ heated seats W/o heated seats Wind- shield wiper motor
HEADLIGHTS Headlight Wiring Diagram for Buick Regal GS 2002 List of elements for Headlight Wiring Diagram for Buick Regal GS 2002: 52 A10 A11 Ambient light sensor (top right side of dash) B7 pnk Body control module (bcm) (behind left side of dash) D11 F10 F2 c3 Fog lamp relay Fog lamp switch Fog lp cntrl Fog lp fuse 10a G101 (front left side of radiator support) G201 (below dash, left side of steering column) Hdlp l fuse 15a Hdlp r fuse 15a Head Headlamp cntrl Headlamp dimmer switch Headlamp relay (behind glove box) Headlamp sw input Headlamp switch High High beam High beam indicator Hot at all times I/p fuse block (behind right side of dash) Illum Instrument panel cluster Interior lights system Left fog lamp Left headlamp Light sens grd ref Light sensor sig Low Low beam Lp park fuse 20a Off Park Park brake switch Park brk sw in Pnk Power distribution system Radio,hvac,rfa, cluster cel tel fuse 15a Right fog lamp Right headlamp S124 S202 S221 (i/p harn, right side of steering column, approx 17cm from dlc breakout) S283 Tan Underhood fuse block (mounted to right strut tower)
HORN Horn Wiring Diagram for Buick Regal GS 2002 List of elements for Horn Wiring Diagram for Buick Regal GS 2002: 30 (century/regal) (century/regal) (intrigue) (century/regal: below dash, right side of steering column) (intrigue) (intrigue) v (century/regal) a17 (intrigue: right side of dash) (steering column) Body control module (left of steering column) C201 C8 c3 Century/regal G101 (intrigue: left side of front end upper tie bar) (century/regal: left side of radiator support) G203 g200 High note horn Horn fuse 15a Horn output Horn relay Horn switch Horns (behind right front fascia) Hot at all times Inflatable restraint steering wheel module Intrigue Low note horn Red intrigue S124 s123 S211 s230 Slip ring Spring Steering column Underhood accessory wiring junction block (mounted on right strut tower)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for Buick Regal GS 2002 List of elements for Instrument Cluster Wiring Diagram for Buick Regal GS 2002: 115 (below dash, left side of steering column) g201 (below dash, right side of steering column) (left front side of radiator support) (mounted to right front strut tower) underhood fuse block A10 A11 A12 Air bag ind Antilock ind B10 B11 B12 Battery Bcm class2 serial data Bcm or ipc serial data Body control module (behind left side of dash, left of steering column) Brake fluid Brake fluid level switch (in brake fluid reservoir) Brake ind C11 Change oil ind Charge ind Cluster fuse 10a Cluster logic Coolant level switch (mounted on right side of radiator) Coolant temp ind Coolant temper- ature gauge Crank Crank signal, bcm, cluster fuse 10a Cruise control system Cruise ind D12 Data link connector (under left side of dash, right of steering column) Dic e/m Dic mode Dic reset Door/trunk ajar ind Driver information display switch (regal only) E/m E11 Ebcm class2 serial data Electronic brake control module (ebcm) (at left side of engine compartment, near strut tower) Engine controls system Exterior lights system Fuel gauge G101 G200 (behind right side of dash) G203 G203 (below dash, right side of steering column) Gnd Ground Headlights system High beam ind Hot at all times Hot in off, run or start Hot in run, bulb test or start Hot in start Hvac control module I/p fuse block Ign Ign 01, bcm & pcm, cluster fuse 10a Ignition voltage Igntion 1 Illumination (5 bulbs) Inflatable restraint sensing & diagnostic module (sdm) (below carpet, under right front seat) Instrument cluster Interior lights system Left turn ind Left turn signal Low coolant Low coolant ind Low fuel ind Low oil ind Low oil pressure ind Low tire ind Low trac ind Low washer ind Mal- function indcator lamp (mil) (service engine soon) Mode Pcm class 2 serial data Pcm class2 serial data Pcm, abs bcm & cluster logic serial data Perf shift ind Pk lps Pnk Powertrain control module (left front side of engine compt, in air cleaner assy) Radio, hvac, rfa, cluster, cel tel fuse 15a Reset Right turn ind Right turn signal S124 S202 S211 S230 S234 S270 S283 S295 (ashtray jumper harness, inside ashtray) Sdm class2 serial data Seat belt ind Security ind Serial data Service vehicle soon ind Speed sensor Speedo- meter gauge Splice pack (sp205) (below dash, right of steering column) Srl data Tacho- meter gauge Trac off ind Trip reset input Trip reset switch Vehicle speed Vf display Windshield washer fluid Windshield washer fluid level switch (right front of eng compt, in washer fluid reservoir)
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Buick Regal GS 2002 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Buick Regal GS 2002: 33 (body harn, below right front seat) s322 Body control module (bcm) (behind left side of dash, left of steering column) Computer data lines system Court lmps feed Court lmps on Dome Door open input Driver door lock Driver dr open Front passenger door lock G200 (behind right side of dash) G201 (below dash, left side of steering column) G301 (left front door sill) Headlamp switch Hot at all times I/p compart- ment lamp switch I/p fuse block Inadv power bus fuse 15a Left courtesy lamp Left rear door lock Off Regal, century custom Right courtesy lamp Right rear door lock S214 (i/p harn, right side of steering column) S230 S283 S303 S504 S604 Serial data Theater dim (grd) Theater dim 1 Courtesy Lamps Wiring Diagram (2 of 2) for Buick Regal GS 2002 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Buick Regal GS 2002: 34 (2002) a (2002) c (2003) a (2003) c (quarter courtesy & reading lamp harn, approx 35 cm from 8-pin in-line conn, behind right "c" pillar) s386 (w/ onstar) (w/o onstar) A1 c3 Base Body computer module (bcm) (behind left side of dash, left of steering column) Body control module (behind left side of dash) Diode Dome lamp Except base G402 (right side of rear shelf) Inside rear view mirror Left roof rail courtesy/ reading lamp Left vanity mirror lamp Nca Rear compartment courtesy lamp Rear compartment lid ajar switch Rear compartment occupant sensor (at left side of rear compt) Right roof rail courtesy/ reading lamp Right vanity mirror lamp S321 (body harn, under right front door pillar) S385 S392 (quarter courtesy & reading lamp harn, approx 5 cm from 8-pin in-line conn, behind right "c" pillar) S400 (body wiring harness, approx 4 cm (1.5 in) from rear compartment courtesy lamp breakout) S414 S433 (occupant sensor pigtail used in place of sensor) S434 (occupant sensor pigtail used in place of sensor) S905 W/ entrapment protection W/o entrapment protection Instrument Illumination Wiring Diagram for Buick Regal GS 2002 List of elements for Instrument Illumination Wiring Diagram for Buick Regal GS 2002: 57 (body harn, below right front seat) s302 (cj2) c16 (cj3) (i/p harn, right side of dash) 2002 regal /century, 2003 regal only Ashtray lamp (century) Dome Driver door lock switch Driver master window switch Driver seat heater switch Electronic traction control switch (regal) Fog lamp switch Front passenger door lock switch Front passenger window switch G200 (behind right side of dash) G201 (below dash, left side of steering column) G203 (below dash, right side of steering column) G301 (left front door sill) Grd Head Headlamp switch High Hot at all times Hvac control module I/p fuse block Illum Inflatable restraint steering wheel module coil Instrument cluster Low Lp park fuse 20a Off Outside rear view mirror switch Panel dimming fuse 7.5a Park Passenger seat heater switch Prndl lamp (regal) Radio Radio control switches Red S211 S230 S241 (i/p harn, below radio) S267 S283 S303 S334 S504 S506 (left front door harn, in left front door) S604 S606 (right front door harn, in right front door) Strg whl cont fuse 2a Tail, lic lamps fuse 15a Underhood fuse block Vf dim dis sig Vf dim sig W/ heated seats W/o heated seats
POWER DISTRIBUTION Power Distribution Wiring Diagram (2 of 3) for Buick Regal GS 2002 List of elements for Power Distribution Wiring Diagram (2 of 3) for Buick Regal GS 2002: 93 (body harness, top of floor tunnel between front seats) s323 (body harness, under left side of rear seat) (cj2) (cj2) (cj3) (i/p harness, near blower motor) (i/p harness, near steering column) (i/p harness, right side of steering column) s220 (not used) (regal) (w/rap) A/t shift lock control switch A10 Acc B10 Bcm acc fuse 10a Body control module (bcm) Body control module (bcm) (below left side of dash) C201 C206 C5 c (cj3) Crank signal, bcm, cluster fuse 10a Cruise control module Cruise control release switch Cruise control switch Cruise fuse 10a Driver seat heater switch From gen d fuse 21 (diagram 1 of 3) From ignition switch (diagram 2 of 3) From inadv power bus fuse (diagram 1 of 3) From r heated seat fuse diagram (1 of 3) Fuse block, under- hood c1 Fuse block- i/p Fuse block- underhood Fuse- block under- hood Heater- a/c control (cj3) Hvac control module Hvac fuse 10a Ign 0,cluster, pcm & bcm fuse 10a Ign1 fuse 5 30a Ign2 fuse 8 60a Ignition switch Inflatable restraint steering wheel module coil Inside rearview mirror (day-night) Instrument panel cluster (ipc) Left air temperature actuator Left front window switch Left radio control switch Lock Low blower fuse 20a Nca Off Onstar fuse 15a Park lock fuse (regal) 10a Passenger seat heater switch Pnk Power drop connector Power drop fuse 10a Powertrain control module (pcm) Pwr windows pwr sunroof circuit breaker 30a Radio Radio fuse (w/o rap) 2a Radio fuse 2a Rear compartment occupant sensor Rear window defogger relay Red Retained accessory power (rap) relay Right air temperature actuator Run S234 (i/p harn, right side of steering column) S240 S249 S263 S270 (i/p harn, behind right side of dash) S410 Start Sunroof module To crank signal fuse (diagram 2 of 3) To ign main relay 13 (diagram 3 of 3) To low blower fuse (diagram 2 of 3) To s228 (diagram 3 of 3) Trap alert fuse 10a Vacuum control assembly (cj2) Vehicle communi- cations interface module W/ heated seats W/ rap W/ rearview power mirror W/ sun- roof W/0 heated seats W/o rap W/o rearview power mirror Wind- shield wiper/ washer switch Windshield wiper motor Wiper fuse 25a Power Distribution Wiring Diagram (3 of 3) for Buick Regal GS 2002 List of elements for Power Distribution Wiring Diagram (3 of 3) for Buick Regal GS 2002: 52 (3.1l) (3.8l) (engine harn, top of engine) (3.8l) (injector harn, 2 cm from injector 2 breakout) (3.1l) (i/p harness, right side of dash) A/c clutch relay 15 A/t shift control switch (regal) A11 Abs fuse 10a Air bag fuse 10a Air pump relay 14 (regal vin k) Automatic transaxle B12 Body control module (bcm) Btsi park lock fuse 10a C113 Cluster fuse 10a Coil Crank relay Electronic brake control module (ebcm) Elek ign fuse 25 15a Eng emis fuse 30 10a Evaporative emissions (evap) canister purge solenoid valve Evaporative emissions (evap) canister vent solenoid valve F/inj fuse 28 15a From ign 1 fuse 5 e (diagram 2 0f 3) From ignition switch (diagram 2 of 3) Fuel injector Fuse block- i/p Fuse block- underhood G129 (left of starter, on trans- axle stud) Heated oxygen sensor 1 (ho2s 1) Heated oxygen sensor 1 (ho2s 2) Ign main relay 13 Ignition control module (icm) Inflatable restraint sensing & diagnostic module Instrument panel cluster (ipc) Mass airflow (maf) sensor Nca Oxy sen fuse 29 15a Pcm,bcm u/h relay fuse 10a Pnk Powertrain control module (pcm) Regal vin k S106 S109 S228 Secondary air injection bypass valve solenoid Stoplamp switch Supercharger bypass valve (3.8l) Trans fuse 26 10a Turn signal hazard flasher module Turn signals, corn lps fuse 10a
POWER DOOR LOCKS Power Door Lock Wiring Diagram for Buick Regal GS 2002 List of elements for Power Door Lock Wiring Diagram for Buick Regal GS 2002: 42 (body harn, center floor on left side of tunnel) s315 (body harness, below right door speaker, 44cm from power door breakout) s314 All drs lock Battery Battery (b+) Bcm fuse 10a (oldsmobile) Bcm pwr fuse 10a (buick) Body control module (behind left side of dash, left of steering column) Buick Door lock fuse 20a Dr lock sw in Dr unlk sw in Driver door lock switch Driver dr unlk Front passenger door lock switch G201 (left side of steering column) G203 (right side of steering column) G301 (forward of driver's seat) Ground Hot at all times I/p fuse block (behind right of dash in right door opening) Interior lights system Left front door lock Left rear door lock Lock Oldsmobile Pass drs unlk Radio, hvac rfa, cluster, data link fuse 15a Remote control door lock receiver (left side of dash, on right side of instrument cluster) Right front door lock Right rear door lock S202 S211 S269 S283 S303 S504 Serial data Tan Trunk lid rel Trunk/ tailgate/ fuel doors system Unlock
POWER MIRRORS Electrochromic Mirror Wiring Diagram for Buick Regal GS 2002 List of elements for Electrochromic Mirror Wiring Diagram for Buick Regal GS 2002: 37 (main body harness, approximately 9 cm from the rear compt courtesy lamp breakout) s424 (windshield side) ambient sensor C1 b C1 f6 C2 a6 Exterior lights system G402 (right side of rear shelf) Gnd Headlight sensor (mirror side) Hot at all times Hot in run Hvac fuse 10a I/p fuse block (behind right side of dash, in right door opening) Inside rearview mirror (day-night) Interior lights system Low ref Mirror on Nca Off Outside rearview mirror Park/ neutral positon (pnp) switch (on top right rear of transaxle) Pnk R/cmpt rel fuse 7.5a Resets to daytime high reflectivity in reverse S233 S323 S414 Signal Solid state Underhood fuse block (mounted to right strut tower) W/ gps W/ gps w/o gps W/ heated seats W/ sunroof W/o gps W/o heated seats W/o sunroof Power Mirrors Wiring Diagram for Buick Regal GS 2002 List of elements for Power Mirrors Wiring Diagram for Buick Regal GS 2002: 19 Day/night mirror system Driver outside rearview mirror Ecb G301 (left front door sill) Hot at all times I/p fuse block (behind right side of dash, in right door opening) Interior lights system Left mirror Low ref Nca Outside rearview mirror switch Passenger outside rearview mirror Pnk Power mirrors fuse 2a Right mirror Right/ left motor S504 Signal Up/ down motor
POWER SEATS 6-Way Power Seat Wiring Diagram for Buick Regal GS 2002 List of elements for 6-Way Power Seat Wiring Diagram for Buick Regal GS 2002: 26 A nca Back Down Driver seat adjuster motor assembly Driver seat adjuster switch Entire seat For- ward Front height Front passenger seat adjuster motor assembly Front passenger seat adjuster switch Front vertical adjuster motor G301 (left front door sill) Horizontal adjuster motor Hot at all times I/p fuse block Nca Nca b Nca e Nca g Power seats circuit breaker 30a Rear height Rear vertical adjuster motor S303 S326 S330 Tan Heated Seats Wiring Diagram for Buick Regal GS 2002 List of elements for Heated Seats Wiring Diagram for Buick Regal GS 2002: 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 G301 (left front door sill) Ground Hot at all times Hot in run Hvac fuse 10a I/p fuse block Interior lights system Lh heated seat fuse 15a Lo/hi input Nca On input Passenger heated seat back element Passenger heated seat cushion cover Passenger heated seat cushion element Passenger heated seat switch Passenger heated seat thermistor Pnk Rh heated seat fuse 15a S303 S323 S333 Sensor input
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagrams for Buick Regal GS 2002 List of elements for Power Top/Sunroof Wiring Diagrams for Buick Regal GS 2002: 23 (not used) Battery Close G402 (right side of rear shelf) Gnd Hot in accy, run, & retained accessory power I/p fuse block (behind right side of dash, in right door opening) Ls1 Ls2 Ls3 Open Pos 1 Pos 2 Pos 3 Power windows system Pwr windows pwr sun roof circuit breaker 30a Red S410 S414 Sun roof module (center rear of sun roof) Sun roof motor (center rear of sun roof module) Sun roof switch Sunroof limit switch assembly (in sunroof motor transmission
POWER WINDOWS Power Window Wiring Diagram for Buick Regal GS 2002 List of elements for Power Window Wiring Diagram for Buick Regal GS 2002: 31 (body harn, center of vehicle floor) Down Ecb Express Express down module G301 (left front door sill) Hot in acc or run or during rap I/p fuse block (behind right side of dash, in right door opening) Illumination lamp Interior lights system Left front Left front window motor Left front window switch Left rear Left rear window motor Left rear window switch Lock out switch Pwr windows pwr sunroof circuit breaker 30a Right front Right front window motor Right front window switch Right rear Right rear window motor Right rear window switch S303 S307 S410 S504 S604 Tan Tan e
RADIO Radio Wiring Diagrams, with Amplifier for Buick Regal GS 2002 List of elements for Radio Wiring Diagrams, with Amplifier for Buick Regal GS 2002: 91 (below dash, right side of steering column) Am/fm Ant in Ars Audio amplifier (below rear speaker shelf, in trunk) Audio out Audio sig Bare Battery Computer data lines system E & c data E10 E11 E12 E13 E14 E15 E16 F10 F11 F12 F13 F14 F15 F16 Front window antenna grid Fuse out G203 G203 (below dash, right side of steering column) Ground Hot at all times Hot in acc or run I/p fuse block (behind right side of dash, in right door opening) Illum Inflatable restraint steering wheel control module Interior lights system Left front midrange speaker Left front tweeter speaker Left radio control switches Left rear speaker Lf audio Lf spkr Lf tweeter Lr audio Lr feed Lr rtn Lr spkr Mid- range Mute Nca Radio Radio antenna module (on rear window header panel) Radio fuse 2a Radio prem fuse 15a Radio pwr Radio, hvac, rfa, cel tel, cluster fuse 15a Rap pwr Rear window antenna grid Red Rf audio Rf feed Rf low Rf rtn Rf spkr Rf tweeter Right front midrange speaker Right front tweeter speaker Right radio control switches Right rear speaker Rr audio Rr feed Rr rtn Rr spkr S202 S418 S440 Scan Seek dn Seek up Source Strg ctrl Sub feed Sub rtn Sub- woofer Tan Used not Vehicle interface unit (viu) (in rear compt, mounted to left rear wheelhouse) Vol dn Vol up W/ adaptive reception system W/o adaptive reception system Radio Wiring Diagrams, without Amplifier for Buick Regal GS 2002 List of elements for Radio Wiring Diagrams, without Amplifier for Buick Regal GS 2002: 73 A c1 A c2 Am/fm Ant in Ars B c2 Battery C1 a C1 b C2 a C2 b Computer data lines system E & c data E10 E11 E12 E13 E14 E15 E16 F10 F11 F12 F13 F14 F15 F16 Front window antenna grid Fuse out G203 (below dash, right side of steering column) G203 (below dash, right side of steering column) Ground Hot at all times Hot in acc or run I/p fuse block (behind right side of dash, in right door opening) Illum Inflatable restraint steering wheel control module Interior lights system Left front door speaker Left front tweeter Left radio control switches Left rear speaker Lf spkr Lr spkr Mute Nca Not used Radio Radio antenna module (on rear window header panel) Radio fuse 2a Radio pwr Radio, hvac, rfa, cel tel, cluster fuse 15a Rap pwr Rear window antenna grid Red Rf spkr Right front door speaker Right front tweeter Right radio control switches Right rear speaker Rr spkr S202 S418 Scan Seek dn Seek up Source Strg ctrl Tan Vol dn Vol up W/ adaptive reception system W/o adaptive reception system
SHIFT INTERLOCKS Electric Park Lock Wiring Diagram for Buick Regal GS 2002 List of elements for Electric Park Lock Wiring Diagram for Buick Regal GS 2002: 8 A/t shift lock control switch (center of console) G200 (behind right side of dash) Hot in off, run or start I/p fuse block (right side of dash, in right door opening) Park lock fuse 10a Park position switch (closed in park) S230 Steering column electric park lock (in steering column, near ignition key cylinder) Shift Interlock Wiring Diagram for Buick Regal GS 2002 List of elements for Shift Interlock Wiring Diagram for Buick Regal GS 2002: 22 (mounted to right front strut tower) (on transaxle stud) A/t shift lock control solenoid A/t shift lock control solenoid (in column shift) A/t shift lock control switch (under center of console) A12 c1 Btsi park lock fuse 10a C11 Century, intrigue G113 Hot in run, bulb test or start I/p fuse block (right side of dash, in right door opening) Park lock solen- oid Park/ neutral position switch (on top right rear of transaxle) Pnk Pnk a Regal Regal century, intrigue S105 S106 (intrigue) (regal, century) Stoplamp switch (open when brake pedal depressed) (on brake pedal support) Underhood fuse block
STARTING/CHARGING Charging Wiring Diagram for Buick Regal GS 2002 List of elements for Charging Wiring Diagram for Buick Regal GS 2002: 27 (not used) a (not used) c A8 c1 B12 Battery Charge ind Cluster fuse 10a Computer data lines Fusible link (10 ga- rust) G100 (right side of engine compt, at base of battery) G113 (left of starter, on transaxle stud) Gen fuse 10a Generator l Hot at all times Hot in run, bulb test or start I/p fuse block (behind right side of dash, in right door opening) Instrument cluster L term monitor c2 P b+ Pnk Powertrain control module (pcm) (left side of engine compt, in air cleaner assembly) Red Ser. data class 2 c1 Solid state Splice pack (s205) (below dash, right of steering column) Starter Underhood fuse block (mounted to right strut tower) Starting Wiring Diagram for Buick Regal GS 2002 List of elements for Starting Wiring Diagram for Buick Regal GS 2002: 32 Acc B red Battery Bulb test Charging circuit (fusible link) Crank Crank maxifuse 40a Crank relay Crank signal bcm, cluster fuse 1oa G100 (right side of engine compartment, at base of battery) G113 (left of starter, on transaxle stud) Hold- in coil Hot at all times I/p fuse block (behind right side of dash, in right door opening) Ign main 1 fuse 30a Ignition switch Lock Nca Off Park neutral position (pnp) switch (on top right rear of transaxle) Pcm bcm ign relay fuse 10a Pnk Powertrain control module (pcm) (left front side of engine compartment, in air cleaner assembly) Pull- in coil Red Run S228 S234 Start Starter Starter enable Underhood fuse block (mounted to right strut tower)
SUPPLEMENTAL RESTRAINTS Supplemental Restraint Wiring Diagram for Buick Regal GS 2002 List of elements for Supplemental Restraint Wiring Diagram for Buick Regal GS 2002: 42 (driver seat adjuster wiring harness, approximately 20 cm (8 inches) from 6 pin in-line connector, below driver's seat) s330 (inside left door sill, forward of left front seat) g301 A10 A11 A12 A13 A14 A15 A16 A17 A18 Air bag fuse 10a Air bag warning indicator B11 Body control module (bcm) (behind left side of dash, left of steering column) Case ground Data link connector (dlc) (partial) (under left side of dash, right of steering column) Fuse block (behind right side of dash, in right door opening) G200 (behind right side of i/p compartment) Ground High control Hot in run, bulb test & start If equipped Ignition Inflatable restraint i/p module Inflatable restraint sensing & diagnostic module (sdm) (below carpet, under right front seat) Inflatable restraint steering wheel module Inflatable restraint steering wheel module coil Instrument cluster Left front inflatable restraint side impact module Left front inflatable restraint side impact sensor (at base of left "b" pillar) Low control Nca Powertrain control module (pcm) (left front side of engine compartment, in air cleaner assembly) Seat belt switch Seat belt switch (part of driver's seat belt assembly) Serial data class 2 Shorting bar Signal Solid state Splice pack sp205 (below dash, right side of steering column, below data link connector) Voltage
TRANSMISSION
3.8L 3.8L VIN 1, A/T Wiring Diagram for Buick Regal GS 2002 List of elements for 3.8L VIN 1, A/T Wiring Diagram for Buick Regal GS 2002: 74 (on transaxle right axle case extension) vehicle speed sensor 1-2 shift sol 2-3 shift sol A/t sensor hi A/t sensor lo Automatic transaxle (4t65-e) Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor B12 Battery in Bcm & instrument cluster Body control module & instrument cluster Brake switch in Cluster fuse 10a Data link connector (below dash, right side of steering column) Ecm fuse 22 10a Ect return Ect sensor in Eng emis fuse 30 10a Engine controls system Engine coolant temperature sensor (top left side of engine) G113 (lower left front of engine on transaxle stud) G113 (lower left front of engine, on transaxle stud) Gnd Hot at all times Hot in off, run or start Hot in run or start Hot in run, bulb test or start I/p fuse block (behind right side of dash) Ign 0 fuse 10a Ignition (0) in Ignition (1) in Instrument panel cluster (ipc) Mil ctrl Park/neutral position (pnp) switch (top right rear of transaxle) Pc sol hi Pc sol lo Pcm ground Pcm-bcm ign relay fuse 10a Pnk Powertrain control module (left side of engine compt, in air cleaner assembly) Pressure control sol Red Rev S105 S106 S270 Serial data Service engine soon Splice pack sp205 (near dlc) Stop lamp switch (on brake pedal support bracket) Tan Tcc pwm sol Tcc release Tcc release in Tcc/ brake switch Tft sensor gnd Tft sensor in Throttle position sensor (on throttle body) Tp 5v ref Tp sensor in Tps return Tr sw in-a Tr sw in-b Tr sw in-c Tr sw in-p Trans fuse 26 10a Trans range a Trans range b Trans range c Underhood fuse block (mounted to right front strut tower) Vss hi (signal) Vss lo (ground) 3.8L VIN K, A/T Wiring Diagram for Buick Regal GS 2002 List of elements for 3.8L VIN K, A/T Wiring Diagram for Buick Regal GS 2002: 74 (on transaxle right axle case extension) vehicle speed sensor 1-2 shift sol 2-3 shift sol A/t sensor hi A/t sensor lo Automatic transaxle (4t65-e) Automatic transaxle fluid pressure manual valve position switch Automatic transaxle fluid temperature sensor Automatic transaxle input shaft speed sensor B12 Battery in Bcm & instrument cluster Body control module & instrument cluster Brake switch in Cluster fuse 10a Data link connector (below dash, right side of steering column) Ecm fuse 22 10a Ect return Ect sensor in Eng emis fuse 30 10a Engine controls system Engine coolant temperature sensor (top left side of engine) G113 (lower left front of engine on transaxle stud) G113 (lower left front of engine, on transaxle stud) Gnd Hot at all times Hot in off, run or start Hot in run or start Hot in run, bulb test or start I/p fuse block (behind right side of dash) Ign 0 fuse 10a Ignition (0) in Ignition (1) in Instrument panel cluster (ipc) Mil ctrl Park/neutral position (pnp) switch (top right rear of transaxle) Pc sol hi Pc sol lo Pcm ground Pcm-bcm ign relay fuse 10a Pnk Powertrain control module (left side of engine compt, in air cleaner assembly) Pressure control sol Red Rev S105 S106 S270 Serial data Service engine soon Splice pack sp205 (near dlc) Stop lamp switch (on brake pedal support bracket) Tan Tcc pwm sol Tcc release Tcc release in Tcc/ brake switch Tft sensor gnd Tft sensor in Throttle position sensor (on throttle body) Tp 5v ref Tp sensor in Tps return Tr sw in-a Tr sw in-b Tr sw in-c Tr sw in-p Trans fuse 26 10a Trans range a Trans range b Trans range c Underhood fuse block (mounted to right front strut tower) Vss hi (signal) Vss lo (ground)
TRUNK, TAILGATE, FUEL DOOR Trunk Release Wiring Diagram, with Entrapment Protection for Buick Regal GS 2002 List of elements for Trunk Release Wiring Diagram, with Entrapment Protection for Buick Regal GS 2002: 34 (left of steering column) body control module Bat (+) Class 2 ser data Computer data lines system Door locks fuse 20a G203 (below dash, right side of steering column) G402 (right side of rear shelf) Gnd Hot at all times Hot in off, run or start I/p fuse block (behind right side of dash, in right door opening) Ign Ign 0: cluster pcm & bcm fuse 10a Instrument panel cluster Interior lights system Keyless ser data Rear compartment lid ajar switch Rear compartment lid lock release actuator (near rear compartment lid latch) Rear compartment lid release relay (behind glove box, mounted to under- side of cross-car beam) Rear compartment lid release switch Rear compartment occupant sensor (left side of rear compartment) Release rly ctrl Remote control door lock receiver (behind instrument cluster) S211 S269 S270 S414 S905 Tk ajar sw in Tk ajar sw sig Tk lp ctrl Tk release sw sig Trap alert fuse 20a Trunk open ind Trunk Release Wiring Diagram, without Entrapment Protection for Buick Regal GS 2002 List of elements for Trunk Release Wiring Diagram, without Entrapment Protection for Buick Regal GS 2002: 22 (left of steering column) body control module Class 2 ser data Computer data lines system Door locks fuse 20a G203 (below dash, right side of steering column) G402 (right side of rear shelf) Hot at all times I/p fuse block (behind right side of dash, in right door opening) Instrument panel cluster Interior lights system Keyless ser data Rear compartment lid lock release actuator (near rear compartment lid latch) Rear compartment lid release relay (behind glove box, mounted to under- side of cross-car beam) Rear compartment lid release switch Release rly ctrl Remote control door lock receiver (behind nstrument cluster) S211 S269 S905 Tk ajar sw sig Tk release sw sig Trunk open ind
WARNING SYSTEMS Warning System Wiring Diagrams for Buick Regal GS 2002 List of elements for Warning System Wiring Diagrams for Buick Regal GS 2002: 58 (left side of engine, in air cleaner) powertrain control module (pcm) (passenger's Accessory Ajar B10 B11 Bcm acc fuse 10a Body control module (bcm) (behind left side of dash, left of steering column) Body harn, on floor, under seat) s322 Computer data lines system Crank Crank signal, bcm clstr fuse 10a Ctsy Door ajar Driver door lock (ajar indicator switch) G201 (below dash, left side of steering column) G203 (below dash, right side of steering column) G301 (left front door sill) Ground Head Headlamp switch Hot at all times Hot in acc or run Hot in acc run or start Hot in run or start Hot in start I/p fuse block Ign 0, cluster, pcm & bcm fuse 10a Ignition 0 Ignition 1 Ignition switch (key in ignition switch) Instrument panel cluster (ipc) Interior lights system Key in ign Lp park fuse 20a Nca Off Park Park brake (ign 1) Park brake switch Park lp off Pcm, bcm u/h relay fuse 10a Pnk S211 S234 S270 S283 S330 S504 Seat belt switch Seat belt switch (ign 1) Serial data class Serial data class 2 Splice pack sp205 (below dash, right side of steering column) Tan Tire inflation Tire reset switch (in i/p fuse block) Underhood fuse block
WIPER/WASHER Wiper/Washer Wiring Diagram for Buick Regal GS 2002 List of elements for Wiper/Washer Wiring Diagram for Buick Regal GS 2002: 21 (behind right side of dash) g201 (below dash, left side of steering column) g201 Delay Hot in accy or run I/p fuse block (behind right side of dash, in right door opening) Instrument panel cluster Mist Nca Off Red S230 S249 Washer switch Wind- shield washer fluid level switch (in washer fluid reservoir) Windshield washer fluid pump (in washer fluid reservoir) Windshield wiper motor (on left side of firewall, below air inlet screen) Windshield wiper switch Wiper fuse 25a Wiper motor Wiper motor controller Wiper switch
