Buick LeSabre VIII (2000-2005) ign 1 fuse Wiring diagrams

1-2 SHIFT SOL 2-3 SHIFT SOL AUTOMATIC TRANSAXLE AUTOMATIC TRANSAXLE FLUID TEMPERATURE SENSOR AUTOMATIC TRANSAXLE INPUT SHAFT SPEED SENSOR AUTOMATIC TRANSAXLE INTERNAL MODE SWITCH BLK WIRE BLK/WHT WIRE BONNEVILLE LE SABRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSE 12 GRN WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START IGN 1 FUSE IGNITION SWITCH (PIGTAILED FOR LE SABRE) INSTRUMENT CLUSTER INSTRUMENT CLUSTER, TURN SIGNAL SWITCH LE SABRE LOCK LOCK OFF LOGIC IGN 1 IGN LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MALFUNC- TION IND LAMP MALFUNCTION INDICATOR LAMP OFF ORG/ WIRE PCM IGN FUSE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (NEAR AIR CLEANER HOUSING) PPL PPL CRUISE CONTROL SYSTEM PPL PPL PPL COMPUTER DATA LINES SYSTEM PRESSURE CONTROL SOL TCC PWM SOL REAR FUSE BLOCK RED WIRE RED/BLK WIRE RUN WIRE STOP LAMP SWITCH (NEAR BRAKE PEDAL) TCC/ CRUISE SWITCH THROTTLE POSITION (TP) SENSOR (ON THROTTLE BODY ASSEMBLY) TRANS FUSE UNDER- HOOD FUSE BLOCK PCM BATT FUSE WHT WIRE YEL WIRE YEL/BLK WIRE

55 72 64 VEHICLE SPEED OUT DISABLE OUTPUT VSS HIGH ABS/TCC SWITCH (NEAR BRAKE PEDAL) BLK WIRE CR CONT FUSE CRUISE CONTROL MODULE (ON LEFT SIDE OF ENGINE COMPT, ON STRUT TOWER) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGAGED INPUT GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON, START IGN 1 FUSE INFLATABLE RESTRAINT STEERING WHEELS MODULE COIL LEFT STEERING WHEELS CONTROLS LT BLU/BLK WIRE NCA WIRE ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN AIR CLEANER HOUSING) PPL PPL PPL PPL VSS LOW REAR FUSE BLOCK (UNDER LEFT REAR SEAT) RESUME/ ACCEL RIGHT STEERING WHEELS CONTROLS SET/ COAST SPLICE PACK STEERING COLUMN FUSE HOLDER STOP LP FUSE STOPLAMP SWITCH (ON BRAKE PEDAL BRACKET) TRANSMISSION SYSTEM UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE) WHT WIRE YEL 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

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 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 ENG/MET SIGN FUEL GAUGE 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 LT GRN WIRE MIL CONTROL 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 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 TACHOMETER DATA LINES DATA LINES TEMPERATURE GAUGE TRACTION OFF IND TRACTION OFF IND CONTROL TRACTION ON IND TRIP RESET UNDERHOOD FUSE BLOCK (RIGHT FRONT SIDE OF ENGINE COMPT) VEHICLE SPEED BRAKE FLUID LVL PARK BRAKE WASHER FLUID LVL ABS IND VOLT IND VOLT IND CONTROL VSS SIGNAL WHT WIRE WINDSHIELD WASHER FLUID LEVEL SWITCH (IN WINDSHIELD WASHER FLUID RESERVOIR) YEL WIRE

1 RELAY A/C CLU FUSE ACCY FUSE ACCY RELAY AUTOMATIC TRANS- MISSION AUX PWR FUSE BATTERY BLK WIRE C/LTR FUSE 20 CIGAR LIGHTER CIRCUIT BREAKER COOL FAN 1 FUSE COOL FAN 1 RELAY (LOW SPEED) COOL FAN 2 FUSE COOL FAN 2 RELAY (HIGH) COOL FAN S/P RELAY A/C CLUTCH RELAY CR CONT FUSE INJR 1 FUSE DK GRN WIRE DRL RELAY FOG/ DRL FUSE FROM FOG/ DRL FUSE (DIAGRAM 1 OF 4) FROM PCM BATT FUSE (DIAGRAM 1 OF 4) FRONT AUXILIARY POWER OUTLET REAR AUXILIARY POWER OUTLET FUEL INJECTOR 3 FUEL INJECTOR 1 FUEL INJECTOR 6 FUEL INJECTOR 4 FUEL INJECTOR 2 CRUISE CONTROL MODULE FUSIBLE LINK GENERATOR HDHI BMR FUSE ABS FUSE HDHI- BML FUSE HDLO BML FUSE HDLO BMR FUSE HDLP HI BM RELAY HDLP LO BM RELAY HORN FUSE HORN RELAY IGN 1 FUSE IGN 1 RELAY INJR 2 FUSE LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP LT GRN WIRE ORG/ WIRE OUTSIDE MOISTURE SENSOR WIND- SHIELD WIPER SWITCH OXY SEN FUSE DIS FUSE PCM BATT FUSE PCM IGN FUSE PNK PNK PNK WIRE PNK WIRE POWER- TRAIN CONTROL MODULE THEFT DETERRENT CONTROL MODULE POWERTRAIN CONTROL MODULE RED WIRE RIGHT HIGH BEAM HEADLAMP ELECTRONIC BRAKE CONTROL MODULE SPEED START 1 RELAY STARTER SOLENOID TAN WIRE TO BODY FUSE (DIAGRAM 2 OF 4) TO CIGAR RELAY (DIAGRAM 2 OF 4) TO HDLP LO BM RELAY (DIAGRAM 1 OF 4) TO IGN 1 RELAY (DIAGRAM 1 OF 4) TO UNDERHOOD FUSE BLOCK (DIAGRAM 4 OF 4) TRANS FUSE UNDERHOOD FUSE BLOCK W/ BATTERY SAVER W/O BATTERY SAVER WHT WIRE WIND- SHIELD WIPER MOTOR WSW FUSE 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

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