Buick LeSabre VII (1992-1999) tan/blk Wiring diagrams

1-2 SHIFT SOL TCC PWM SOL AUTOMATIC TRANSAXLE BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE SWITCH ASSEMBLY (BEHIND LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE BUICK PNK PNK WIRE BUICK PONTIAC CHIME CLG FAN COMPUTER DATA LINES SYSTEM COOLING FAN RELAYS CRUISE CONTROL SYSTEM DK BLU WIRE EGR VALVE ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE BELOW THERMOSTAT HOUSING) EXC BUICK PNK WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER (OLDSMOBILE) INSTRUMENT CLUSTER OR INFORMATION CENTER LT GRN WIRE MALFUNCTION INDICATOR LAMP MASS AIR FLOW METER MISC ENG FUSE 5 OLDSMOBILE PASSKEY THEFT DETERRENT MODULE PCM FUSE 8 PCM/VATS FUSE 4 PNK PNK INSTRUMENT CLUSTER, TRANSMISSION DECODER MODULE WIRE PNK WIRE PPL PRNDL-D PRNDL-A PRNDL-C PRNDL-A RED WIRE RIGHT I/P POWER DISTRIBUTION CENTER RIGHT MAXIFUSE BLOCK SENSORS, EVAP VALVES TAN WIRE TAN/BLK WIRE TCC SOL 2-3 SHIFT SOL TCC/ ANTI-LOCK SWITCH TFT SENSOR THROTTLE POSITION SENSOR (THROTTLE BODY) UART DATA VEHICLE SPEED SENSOR (RIGHT SIDE OF ENGINE COMPT ON TRANSAXLE) WHT WIRE YEL WIRE YEL/BLK WIRE

"ANTI-LOCK" IND DELIVERED TORQUE SERIAL DATA (UART) ABS/CCR/ ELC BLK WIRE BRAKE LPS/ HAZARD BRAKE PRESSURE MODULATOR VALVE (BPMV) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE/SHIFT INTERLOCK BRAKE SWITCH (BRAKE PEDAL SUPPORT) DK BLU WIRE DK GRN WIRE ELECTRONIC POWER STEERING SYSTEM (MAGNA STEER ACTUATOR) FUSE 1 ABS MOTOR FUSE 2 ABS SOL GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK HOT IN RUN I/P FUSE BLOCK IGN/CHIME CLSTR/LCM LAMP DRIVER MODULE (LDM) (CENTER OF I/P) LEFT FRONT FENDER) LEFT FRONT INLET VALVE SOLENOID LEFT FRONT ISOLATION VALVE SOLENOID LEFT FRONT PRIME VALVE SOLENOID LEFT FRONT RELEASE VALVE SOLENOID LEFT FRONT WHEEL SPEED SENSOR LEFT REAR HOLD VALVE SOLENOID LEFT REAR RELEASE VALVE SOLENOID LEFT REAR WHEEL SPEED SENSOR LEFT UNDERHOOD FUSE BLOCK LT BLU WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL/WHT WIRE PUMP MOTOR PUMP MOTOR POWER OUTPUT RED WIRE REQUESTED TORQUE OUTPUT RIGHT FRONT HOLD VALVE SOLENOID RIGHT FRONT ISOLATION VALVE SOLENOID RIGHT FRONT PRIME VALVE SOLENOID RIGHT FRONT RELEASE VALVE SOLENOID RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR HOLD VALVE SOLENOID RIGHT REAR RELEASE VALVE SOLENOID RIGHT REAR WHEEL SPEED SENSOR SERIAL DATA (UART) TAN WIRE TAN/BLK WIRE TCC/ANTILOCK BRAKE SWITCH (BRAKE PEDAL SUPPORT) TCS VALVE SOLENOID CONTROL SIGNALS VALVE POWER OUTPUT VALVE SOLENOID CONTROL SIGNALS WHT WIRE YEL WIRE

AIR BAG IND ANTI-LOCK BRAKES SYSTEM CRUISE CONTROL SYSTEM ANTILOCK IND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (RIGHT SIDE OF I/P) BRAKE FLUID LEVEL SWITCH (MASTER CYLINDER RESERVOIR) BRAKE IND BRAKE WARNING INPUT BRN WIRE BRN/WHT WIRE COOLANT HOT IND. CTRL CRUISE IND DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROLS SYSTEM ANTI-THEFT SYSTEM ENGINE COOLANT TEMP IND ENGINE OIL PRESSURE SWITCH (BEHIND CAMSHAFT SENSOR) FASTEN BELTS IND. FUEL GAUGE FUEL GAUGE SENDER FUEL LEVEL IND CTRL FUEL LEVEL SENS INPUT FUEL TANK UNIT (TOP OF FUEL TANK) GRY WIRE HEADLIGHTS SYSTEM HI-BEAM IND HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (LEFT SIDE OF I/P) IGNITION SWITCH ACCY BULB TEST LOCK OFF INSTRUMENT CLUSTER INSTRUMENT PANEL ILLUMINATION LAMPS LEFT TURN IND LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION IND. LAMP (MIL) (SERVICE ENGINE SOON IND) MISC/RDO/ CLSTR NCA WIRE NORMAL OIL PRESSURE IND ORG/ WIRE PARK BRAKE SWITCH (TOP OF PARK BRAKE ASSEMBLY) PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT SIDE OF ENGINE COMPT) PPL PPL/WHT WIRE RIGHT I/P POWER DISTRIBUTION CENTER PCM FUSE 8 RIGHT TURN IND RUN WIRE SECURITY IND SENSOR GROUND SPEEDOMETER (SOLID STATE) STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TOTAL ODOMETER TRIP ODOMETER VEHICLE SPEED SENSOR (LOWER RIGHT REAR OF ENGINE NEAR OIL PRES. SENSOR) VOLTS IND VSS INPUT VEHICLE SPEED OUTPUT 4000 P/M WARNING SYSTEMS WHT WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE COOLANT TEMPERATURE GAUGE DK BLU WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (LEFT SIDE OF ENGINE) FUEL GAUGE FUEL LEVEL INPUT FUEL LEVEL SENDER (TOP OF FUEL TANK) GRY WIRE HI-BEAM IND HOT IN RUN, BULB TEST OR START IGNITION CONTROL MODULE (TOP FRONT OF ENGINE) TACH INSTRUMENT CLUSTER INSTRUMENT PANEL ILLUMINATION LAMPS LEFT TURN IND LT BLU WIRE LT GRN WIRE NCA WIRE OIL PRES GAUGE OIL PRES, INDICATOR CONTROL (SOLID STATE) OIL PRESSURE LED OIL PRESSURE SENDER/ SWITCH (LOWER RIGHT REAR OF ENGINE) PCM FUSE 8 PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT FRONT OF ENGINE COMPT) PPL PPL/WHT WIRE RIGHT I/P POWER DISTRIBUTION CENETR RIGHT TURN IND SENSOR RETURN FUEL LEVEL INPUT SPEEDOMETER (SOLID STATE) TACHOMETER TAN WIRE TAN/BLK WIRE TOTAL ODOMETER TRIP ODOMETER VEHICLE SPEED OUTPUT 4000 P/M SENSOR RETURN VEHICLE SPEED SENSOR (LOWER REAR OF ENG. NEAR OIL PRES. SENSOR) VOLTMETER VSS INPUT WHT WIRE YEL WIRE

439 1642 451 418 PNK WIRE A/C COMP CTRL A/C REQUEST IN AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM 800 416 474 ANTI-LOCK BRAKES SYSTEM AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM BLK DK GRN/ WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAM POS IN VSS IN CHECK ENGINE COOLING FANS SYSTEM 335 464 CRUISE CONTROL SYSTEM CRUISE ENGAGED SIG DATA LINK CONNECTOR (UNDER LEFT SIDE OF I/P) DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE DLC CLASS 2 DATA PCM GROUND ELECTRONIC SUSPENSION SYSTEM ENGINE OIL LEVEL SWITCH (CENTER FRONT OF ENGINE) EVAPORATIVE EMISSIONS CANISTER PURGE VALVE (CENTER REAR OF ENGINE) FUEL PUMP (TOP OF FUEL TANK) FUEL PUMP FUSE 6 FUEL PUMP RELAY (I/P RELAY CENTER) GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START IDLE AIR CONTROL (IAC) VALVE (ON SIDE OF THROTTLE ASSEMBLY) IGN IGNITION CTRL REF HI IGNITION CTRL REF LO INSTRUMENT CLUSTER OR INFORMATION CENTER LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MASS AIR FLOW SENSOR (TOP LEFT SIDE OF ENGINE) MIL LAMP CONTROL WOT OUT TO CCR MISC ENG FUSE 5 NCA WIRE ORG/BLK WIRE PCM FUSE 8 PNK WIRE PNK/BLK WIRE POWER (IGNITION) POWER (BATTERY) PCM GROUND TCC SOLENOID CTRL POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PNK WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE RIGHT I/P POWER DISTRIBUTION CENTER RIGHT MAXI FUSE BLOCK PCM/VATS FUSE 4 TAN WIRE TAN/BLK WIRE VEHICLE SPEED SENSOR (ON TRANSAXLE) VSS RETURN WHT WIRE WHT/ BLK WIRE YEL WIRE

150 239 PNK WIRE 4 5 PNK WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (RIGHT SIDE OF ENGINE) CLG FAN CRANKSHAFT POSITION SENSOR (LOWER RIGHT SIDE OF ENGINE) CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN/WHT WIRE ELECTRONIC SUSPENSION SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (TOP LEFT SIDE OF ENGINE) EVAPORATIVE EMISSIONS CANNISTER VENT SOLENOID (LEFT FRONT OF ENGINE COMPT) EXHAUST GAS RECIRC- ULATION VALVE (TOP LEFT REAR OF ENGINE) GRY WIRE HOT IN RUN I/P FUSE BLOCK IGNITION AMPLIFIER AND SWITCHING MODULE INSTRUMENT CLUSTER (TACHOMETER SIGNAL) INSTRUMENT CLUSTER SYSTEM LT BLU/BLK WIRE LT BLU/WHT WIRE PARK/NEUTRAL POSITION SWITCH (TOP OF TRANSAXLE) PLUGS SPARK PNK PNK 4 5 6 WIRE PNK WIRE PPL PPL/WHT WIRE RED/BLK WIRE SPARK PLUGS STOPLAMP/ TCC SWITCH (UNDER LEFT SIDE OF I/P) TAN WIRE TAN/BLK WIRE THROTTLE POSITION SENSOR (TOP LEFT SIDE OF ENGINE) WARNING SYSTEMS WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

380 30 PPL A/C PRESS SENS IN FUEL LEVEL MODULE IN A/C REFRIGERANT PRESSURE SENSOR (LOWER RIGHT FRONT OF ENGINE) ALTERNATOR IND CTRL TRANS SHIFT SOL 'B' BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COOL TEMP INDIC CTRL TRANS SHIFT SOL 'A' MAP SENSOR IN CRUISE INHIBIT OUT CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE EVAP PURGE VENT SOL LOW OIL LEVEL INDIC CTRL OIL LIFE OUT TO I/P FUEL INJ 4 CTRL FUEL INJ 5 CTRL FUEL INJ 6 CTRL FUEL INJECTORS FUEL TANK PRESS SENS FUEL TANK PRESSURE SENSOR (FUEL TANK) GEN FIELD 'F' TERMINAL KNOCK SENS #1 IN KNOCK SENS #2 IN LINEAR EGR POS SENS IN GEN FIELD 'L' TERMINAL GRY WIRE HEATED OXYGEN SENSOR #1 (REAR OF ENGINE, IN EXHAUST MANIFOLD) HEATED OXYGEN SENSOR #2 (IN EXHAUST PIPE, BEHIND CATALYST) HOT IN RUN, BULB TEST OR START IAT SENSOR IN ECT SENSOR IN TP SENSOR IN INJECTOR FUSE 7 INSTRUMENT CLUSTER SYSTEM KNOCK SENSOR 1 (LOWER FRONT OF ENGINE) KNOCK SENSOR 2 (RIGHT REAR OF ENGINE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) NCA WIRE PCM GROUND PNK PNK 4 5 6 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RIGHT I/P POWER DISTRIBUTION CENTER SHIFT SELECT SW IN SHIFT SOLENOID STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC ENABLE SOLENOID TCC PWM SOLENOID TRANS TEMP SENS IN TRANSAXLE TRANSMISSION FLUID TEMPERATURE SENSOR WHT WIRE YEL WIRE YEL/BLK WIRE