Buick LeSabre VIII (2000-2005) pnk/blk Wiring diagrams

103 301 1538 HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM WIPER/WASHER SYSTEM 1375 1485 1080 SOUND SYSTEMS HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM 1807 1807 COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM 1969 1483 HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM BACKLIGHT LAMPS CONTROL BATTERY BATTERY POSITIVE VOLTAGE IGNITION 3 VOLTAGE BATTERY POSITIVE VOLTAGE IP LAMP FUSE SUP VOLTAGE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DASH INTEGRATION MODULE (DIM) (BEHIND RIGHT SIDE OF DASH, UNDER SOUND INSULATOR) DIM FUSE DK BLU WIRE DK GRN WIRE FLASH TO PASS IN GROUND HEADLAMP HI BEAM RLY CTRL CONTROL POWER HEADLAMP ON SIG PARKLAMP SW ON SIG HEADLAMPS/WIPERS SIG HEADLIGHTS SYSTEM HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IGN SW FUSE IGNITION SWITCH LOCK UNLOCK LT BLU WIRE LT GRN/BLK WIRE OFF/RUN/CRANK VOLTAGE ACCESSORY VOLTAGE IGNITION POSITIVE VOLTAGE DRL RLY CTRL ORG/ WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA PPL REMOTE RADIO CTRL HEAD FLASH TO PASS SW SUP VOLT PARK LAMP RLY CTRL REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RUN WIRE SOUND SYSTEMS SPLICE PACK STEERING WHEEL CTRL SIG UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENG COMPT) WHT WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DASH INTEGRATION MODULE (DIM) (RIGHT SIDE OF DASH) DIMMER SWITCH DK GRN WIRE DRL RELAY FLASH TO PASS SWITCH FOG/ DRL FUSE GRN WIRE HDHI- BML FUSE HDHI- BMR FUSE HDLO- BML FUSE HDLO- BMR FUSE HDLP HI BM RELAY HDLP LO BM RELAY HEADLAMP BEAM SWITCH HEADLAMP DIMMER SWITCH HEADLAMP SWITCH HI LOW HOT AT ALL TIMES I/P FUSE INSTRUMENT PANEL INTEGRATION MODULE (BEHIND LEFT SIDE OF DASH) INTERIOR LAMP SWITCH LEFT HIGH BEAM HEAD- LAMP LEFT LOW BEAM HEAD- LAMP LIGHTS ON IND LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PK LP SWITCH PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PPL PPL PPL/WHT WIRE PRK LP RELAY REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RIGHT HIGH BEAM HEAD- LAMP RIGHT LOW BEAM HEAD- LAMP SPLICE PACK TAN WIRE TWILIGHT DELAY SW UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) W/ CORNERING LAMPS WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DASH INTEGRATION MODULE (DIM) (RIGHT SIDE OF DASH) DIMMER SWITCH DK GRN WIRE DRL RELAY FLASH TO PASS SWITCH FOG/ DRL FUSE GRN WIRE HDHI- BML FUSE HDHI- BMR FUSE HDLO- BML FUSE HDLO- BMR FUSE HDLP HI BM RELAY HDLP LO BM RELAY HEADLAMP BEAM SWITCH HEADLAMP DIMMER SWITCH HEADLAMP SWITCH HI LOW HOT AT ALL TIMES HVAC CONTROL MODULE (BEHIND LEFT SIDE OF DASH) I/P FUSE INTERIOR LAMP SWITCH LEFT HIGH BEAM HEAD- LAMP LEFT LOW BEAM HEAD- LAMP LIGHTS ON IND LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PK LP SWITCH PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PPL PPL PPL/WHT WIRE PRK LP RELAY REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RIGHT HIGH BEAM HEAD- LAMP RIGHT LOW BEAM HEAD- LAMP SPLICE PACK TAN WIRE TWILIGHT DELAY SW UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) W/ CORNERING LAMPS WHT WIRE WIPER/ WASHER SYSTEM YEL WIRE YEL/BLK WIRE

ABS IND CONTROL ABS IND. AIRBAG IND AIRBAG IND CONTROL BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (IN MASTER CYLINDER RESERVOIR) BRAKE IND BRAKE IND CONTROL BRN/WHT WIRE CHECK OIL LEVEL IND CHECK OIL LEVEL IND CONTROL COMPUTER DATA LINES SYSTEM COOLANT TEMP IND COOLANT TEMP IND CONTROL CRUISE CONTROL SYSTEM CRUISE IND CRUISE IND CONTROL DATA LINES DATA LINES DK (BODY HARN, LEFT SIDE OF VEHICLE, 19.5 CM FROM PASS THROUGH GROMMET) DK (DASH HARN, 23.5 CM FROM INSTRUMENT CLUSTER PANEL) DK BLU WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) SWITCH ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT FRONT OF ENGINE COMPT) ENG/ MET FUEL GAUGE FUEL INFO GAUGE INFO GRN WIRE GROUND GROUND IGNITION BATTERY HEAD-UP DISPLAY CIRCUIT HI BEAM IN CONTROL HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE IGN 1 FUSE ILLUMINATION INSTRUMENT CLUSTER LEFT TURN LEFT TURN IND LT BLU WIRE MIL CONTROL ODO TRIP OIL PRESSURE IND OIL PRESSURE IND CONTROL ORG/ WIRE PARK BRAKE SWITCH (ON TOP OF PARK BRAKE PEDAL ASSEMBLY) PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN AIR CLEANER HOUSING) PPL PPL/ PPL/ PPL/ REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RESET+ RIGHT TURN RIGHT TURN IND RIGHT TURN LEFT TURN IGNITION SEAT BELT IND SEAT BELT IND CONTROL SECURITY IND SECURITY IND CONTROL SERVICE ENGINE SOON IND SPEEDOMETER GAUGE TACH SIGNAL TACHO- METER TAN WIRE TEMPERATURE GAUGE TRACTION OFF IND TRACTION OFF IND CONTROL TRACTION ON IND UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) VOLT IND VOLT IND CONTROL VSS SIGNAL WHT WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH (IN WINDSHIELD WASHER FLUID RESERVOIR) YEL WIRE

5 VOLT REF LOW MODE DOOR POS SEN SIG AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM BATTERY POSITIVE VOLTAGE IGNITION 3 VOLTAGE BLK WIRE BLK/WHT WIRE BLOWER SPEED CTRL SIG BRN WIRE DK BLU WIRE DK GRN WIRE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON HVAC BATT FUSE HVAC FUSE I/P LAMPS DIMMER SW SIG 5 VOLT REF IGN-3 RELAY INSTRUMENT PANEL INTEGRATION MODULE (IPM) (BEHIND LEFT SIDE OF DASH) INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM KEY IN IGNITION SIG TWILIGHT SENTINEL DELAY SIG PPL LOWER RT AIR TEMP SEN SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL REAR FUSE BLOCK (UNDER LEFT REAR SEAT) SPLICE PACK TAN WIRE TRACTION CTRL SW SIG DR HVAC CONTROL ASSBLY SIG DR HVAC CTRL ASSBLY CLK SIG WARNINGS SYSTEM HEADLIGHTS SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AIR TEMPERATURE ACTUATOR (LEFT FRONT SIDE OF BLOWER MOTOR) AMBIENT LIGHT ANTI-LOCK BRAKES SYSTEM BACKLIGHT CTRL GRD BLK WIRE BLOWER CONTROL MODULE (UNDER RIGHT SIDE OF DASH, ABOVE BLOWER MOTOR) BLOWER MOTOR (UNDER RIGHT SIDE OF DASH, ABOVE SOUND INSULATOR) BLWR SP INPUT BATTERY GRD BLWR MTR GRD SPEED CNTL BLWR VOLT BLWR SPEED CNTRL CLASS 2 SERIAL CLASS 2 SERIAL BRN WIRE COMPUTER DATA LINES SYSTEM DIMMER SW SIG TWILIGHT SENTINEL LOW REF DK BLU WIRE DK GRN WIRE GRN WIRE GRY/BLK WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ON HVAC (BATT) FUSE 37 HVAC BLO FUSE 2 HVAC CONTROL MODULE HVAC FUSE 33 IGN 3 VOLTAGE LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MODE ACTUATOR (LEFT SIDE OF HVAC ASSEMBLY) ORG/ WIRE PNK/BLK WIRE PPL PPL PPL REAR FUSE BLOCK RECIRCULATION ACTUATOR SOLID STATE SPLICE PACK TRAC CNTRL SW WARNINGS SYSTEM WHT WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM EXTERIOR LIGHTS SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC SUSPENSION SYSTEM INTERIOR LIGHTS SYSTEM GRD GRY WIRE HEATED SEAT STATUS SIG ALC POSITION SENSOR LOW REF PPL HOT AT ALL TIMES HOT IN RUN OR START IGN 1 FUSE IGN 1 RELAY IGN SW FUSE INTERIOR LAMP CTRL INTERIOR LIGHTS SYSTEM ELECTRONIC SUSPENSION SYSTEM LT BLU WIRE LT BLU/WHT WIRE ORG/ WIRE PARK BRAKE RLY CTRL CIGAR LIGHTER RLY CTRL ALC RLY COIL SUPLY VOLTAGE PASSR HTD SEAT CTRL STATUS REAR COMPT AJAR SW SIG PNK IGNITION 1 VOLTAGE INADVERTANT POWER INPUT WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM (RAP) SEATS SYSTEM PPL PPL CLASS 2 SERIAL DATA RAP RLY CTRL REAR FUSE BLOCK (UNDER LEFT REAR SEAT) REAR INTEGRATION MODULE (RIM) (BEHIND UPPER LEFT REAR SEAT CUSHION) RED/BLK WIRE SEATS SYSTEM ELECTRONIC SUSPENSION SYSTEM SEATS SYSTEM INTERIOR LIGHTS SYSTEM SPLICE PACK TAN WIRE WHT WIRE YEL WIRE

2-3 SHIFT SOL 1-2 SHIFT SOL AUTOMATIC TRANSAXLE AUTOMATIC TRANSAXLE FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE FLUID TEMPERATURE SENSOR AUTOMATIC TRANSAXLE INPUT SHAFT SPEED SENSOR AUTOMATIC TRANSAXLE INTERNAL MODE SWITCH BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION (CMP) SENSOR (FRONT OF ENG, BELOW WATER PUMP) CRANKSHAFT POSITION DK BLU/WHT WIRE FUEL INJEC- TORS GRN WIRE GRY WIRE GRY/WHT WIRE HOT IN RUN, START IGN 1 FUSE INJR 1 FUSE INJR 2 FUSE LT BLU WIRE LT BLU/ BLK WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/ BLK WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/BLK WIRE PNK (OR WIRE PNK PNK 9 10 WIRE PNK WIRE PNK/BLK WIRE PPL PPL CRUISE CONTROL SYSTEM PPL PRESSURE CONTROL SOL REAR FUSE BLOCK RED WIRE RED/BLK WIRE TAN WIRE TCC PWM SOL TCC RELEASE SWITCH TCC/ CRUISE RELEASE SWITCH (NEAR BRAKE PEDAL) UNDER- HOOD FUSE BLOCK WHT DK GRN/ WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BONNEVILLE INSTRUMENT CLUSTER MALFUNCTION INDICATOR LAMP (LED FOR BONNEVILLE) BONNEVILLE LE SABRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EXHAUST GAS RECIRCULATION (EGR) VALVE (TOP REAR OF ENGINE) F/PMP FUSE FUEL PUMP RELAY IGN-1 FUSE FUEL TANK UNIT FUEL PUMP FUSE GRY (OR GRY/BLK) WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN, START LE SABRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (TOP OF ENGINE) ORG/BLK WIRE PNK (OR PNK/BLK) WIRE PNK 1 2 3 4 5 6 7 8 9 10 11 12 WIRE PNK WIRE PNK/BLK WIRE REAR FUSE BLOCK RED/BLK WIRE STOPLIGHT/ AUTO TRANS SHIFT LOCK CONTROL SWITCH TACH INPUT TAN WIRE TAN/WHT WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

5 VOLT REFERENCE A 5 VOLT REFERENCE A 5 VOLT REFERENCE B SENSOR GROUND A/C COMP RELAY CONTROL A/C SYSTEM A/T FLUID TEMP INPUT FUEL LEVEL INPUT ANTI-LOCK BRAKE SYSTEM BLK WIRE BLK/WHT WIRE BOOST CONTROL SOLENOID (VIN 1) BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENG OIL LEVEL SW INPUT CRUISE STATUS BRAKE PEDAL SW OUT GEN TERM L CONTROL ENGINE COOLANT TEMPERATURE (ECT) SENSOR EVAP SOLENOID CONTROL FUEL PUMP RELAY CONTROL EGR VALVE CONTROL MIL CONTROL EVAPORATIVE EMISSIONS (EVAP) CANISTER VENT VALVE FUEL INJ 3 CONTROL FUEL TANK PRESS SENSOR TRANS RANGE SW C INPUT FUEL TANK SENDER GRY (OR GRY/BLK) WIRE GRY WIRE HEATED OXYGEN BANK 1 SENSOR 1 (IN RIGHT EXHAUST MANIFOLD) HEATED OXYGEN BANK 1 SENSOR 2 (REAR OF CATALYTIC CONVERTER) HOT IN RUN AND START HOT IN RUN, START IAC COIL A HIGH TACH SIGNAL DELIVERED TORQUE CONTROL IAC COIL A LOW PRESS SOL HIGH CONTROL PRESS SOL LOW CONTROL IAC COIL B LOW IAT SENSOR INPUT IDLE AIR CONTROL (IAC) VALVE (ON THROTTLE BODY ASSEMBLY) IGN 1 FUSE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE OIL PRESSURE SIGNAL OXY SEN FUSE PCM IGN FUSE PNK (OR PNK/BLK) WIRE PNK 1 2 3 4 5 6 7 8 9 10 11 12 WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (PCM) (IN AIR CLEANER HOUSING) PPL PPL PPL REAR FUSE BLOCK RED WIRE RED/BLK WIRE STARTER RELAY OUTPUT BOOST SOLENOID CONTROL TCC PWM SOL CONTROL 1724 418 STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TOP OF TRANSMISSION) TRANS RANGE SW A INPUT TRANS TCC RELEASE SW IN UNDER- HOOD FUSE BLOCK VENT SOL FUSE WHT WIRE YEL WIRE YEL/BLK WIRE