Oldsmobile Eighty-Eight X (1992-1999) yel/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

1255 1252 1054 1524 EXTERIOR LIGHTS CIRCUIT (REAR LAMPS) 1312 1315 HEADLIGHTS SYSTEM (LOW BEAMS) 24 20 BACK-UP LIGHTS CIRCUIT (PARK/NEUTRAL POSITION SWITCH) AUTO A/C-CRUISE BACK-UP LIGHTS CIRCUIT (BACK-UP LAMPS) BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENABLE INPUT EXTERIOR LIGHTS CIRCUIT (BRAKE LAMPS SWITCH) EXTERIOR LIGHTS CIRCUIT (BRAKE SWITCH) EXTERIOR LIGHTS CIRCUIT (FRONT LAMPS) EXTERIOR LIGHTS CIRCUIT (HEADLAMP SWITCH) EXTERIOR LIGHTS CIRCUIT (HIGH MOUNT STOP LAMP) 1334 1253 1254 1254 EXTERIOR LIGHTS CIRCUIT (REAR LAMPS) EXTERIOR LIGHTS CIRCUIT (STOP LAMPS) EXTERIOR LIGHTS CIRCUIT (TURN/HAZARD SWITCH) GRY WIRE HEADLIGHTS SYSTEM (HEADLAMP DIMMER SWITCH) HEADLIGHTS SYSTEM (LOW BEAMS) HI BEAM INPUT LT FT SIG INPUT HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK IGNITION GROUND BATTERY INSTRUMENT CLUSTER LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT RR SIG INPUT BRAKE SW INPUT RT RR SIG INPUT P/N SW INPUT BRAKE SW INPUT MISC/RDO/ CLSTR OLDS ORG/ WIRE PARK LPS INPUT PONTIAC PPL PNK WIRE RT FT SIG INPUT LO BEAM INPUT SERIAL DATA INPUT SERIAL DATA OUT SERIAL DATA REQUEST TAN WIRE TAN/WHT WIRE WHT (OR LT BLU) WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

ADAPTIVE LAMP MONITOR MODULE) BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNTED STOP LAMP CLUSTER CONNECTORS) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE HEAD PARK LAMP SWITCH HOT AT ALL TIMES HOT AT ALL TIMES LEFT MAXI- FUSE BLOCK LCM/HDLP CIRCUIT BREAKER I/P FUSE BLOCK LAMP CONTROL MODULE (CENTER OF DASH) LEFT FRONT PARK/ TURN LAMP LEFT FRONT SIDE MARKER LAMP LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE OF RIGHT I/P CROSS-CHANNEL) OFF HEAD PARK ORG/ WIRE PARKLAMP RELAY (POSITION K) (RIGHT I/P POWER DISTRIBUTION CENTER) PK/INT LPS PPL PNK 4 5 6 WIRE PPL PNK WIRE RED WIRE REMOTE FUNCTION ACTUATOR MODULE (BEHIND RIGHT SIDE OF DASH) RIGHT FRONT PARK/ TURN LAMP RIGHT FRONT SIDE MARKER LAMP TAN WIRE TAN/WHT WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BRK/HZRD LPS BRN WIRE CENTER I/P CROSS- CHANNEL) CRUISE/ SHIFT INTERLOCK BRAKE SWITCH (ON BRAKE PEDAL SUPPORT) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FROM CENTER I/P CROSS-CHANNEL) HAZARD FLASHER (BEHIND I/P, RIGHT OF STEERING COLUMN SUPPORT) HAZARD SWITCH HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER LEFT REAR SIDE MARKER LAMP LEFT TAIL/ STOP/ TURN LAMPS LEFT TURN INDICATOR LEFT TURN SWITCH LICENSE LAMPS LT BLU WIRE NCA WIRE ORG/ WIRE PNK WIRE PPL PPL PNK 4 5 6 WIRE RIGHT REAR SIDE MARKER LAMP RIGHT TAIL/ STOP/ TURN LAMPS RIGHT TURN INDICATOR RIGHT TURN SWITCH SIG/B-U LPS BTSI/COR TURN FLASHER (ATTACHED TO SOUND INSULATOR) TURN/ HAZARD SWITCH ASSEMBLY WHT WIRE YEL WIRE YEL/BLK WIRE

ADAPTIVE LAMP MONITOR CONTROL MODULE (BEHIND I/P, RIGHT OF STEERING COLUMN) AL SENS INPUT ALARM INPUT GROUND FOG LPS CTRL HI BEAM FEED ALARM OUTPUT AMBIENT LIGHT SENSOR (LEFT SIDE TOP OF I/P) BATTERY BLK WIRE BLK/WHT WIRE BRN WIRE BULB TEST LOCK OFF DAYTIME RUNNING LAMPS RESISTOR (LEFT FRONT CORNER OF ENGINE COMPT.) DK GRN/WHT WIRE DRL CTRL EL CTRL BATTERY FOG LAMP SWITCH FOG LAMPS RELAY (POSITION "A" IN RIGHT POWER DISTRIBUTION CENTER) FOG LPS FUSE GRN WIRE GROUND GRY WIRE HEAD HEADLAMP SWITCH HEAD LAMPS RELAY POSITION "J" HEAD OFF PARK HEADLAMP DIMMER SWITCH HEADLAMP SWITCH HI INPUT LO INPUT HL CTRL IGNITION INPUT PNK WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK PARK LSP/ INT/LPS FUSE IGNITION SWITCH ILLUM INSTRU- MENT CLUSTER HI BEAM INDI- CATOR LAMP CONTROL MODULE (LCM) (CENTER OF I/P) LCM/HDLP CIRCUIT BREAKER LEFT FOG LAMP LEFT MAXI FUSE BLOCK (RIGHT REAR OF ENGINE COMPARTMENT) LO HI OFF LO SENS HI SENS LT (28 CM FROM ADAPTIVE LAMP MONITOR, CONTROL MODULE) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MAX PPL OHMS MIN NCA WIRE OFF OFF PARK ON OFF ON INDICATOR ORG/ WIRE PARK INPUT PARK LAMPS RELAY POSITION "K" PARK/ NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANS.) PNK WIRE PPL PPL DELAY INPUT ENABLE INPUT RED WIRE REMOTE FUNCTION ACTUATOR (RFA-B) MODULE (RIGHT I/P PDC) RIGHT FOG LAMP RIGHT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LEFT HIGH BEAM HEADLAMP LO HI HI RIGHT I/P POWER DISTRIBUTION CENTER RIGHT LOW BEAM HEADLAMP RUN WIRE SHIFT INTERLOCK SYSTEM SIG/BU/ LPS/BTSI/ COR FUSE TAN WIRE TAN/WHT WIRE W/ ADAPTIVE LAMP MONITOR W/O ADAPTIVE LAMP MONITOR LT WHT WIRE YEL WIRE YEL/BLK WIRE

AIR BAG IND AIRBAG/VATS ANTI-LOCK BRAKES SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM ANTI-THEFT SYSTEM ENGINE CONTROLS SYSTEM ANTILOCK BRAKE IND BLK WIRE BLK/WHT WIRE BRAKE IND BRN WIRE BRN/WHT WIRE CHECK OIL LEVEL IND CHIME CHIME CONTROL COMPUTER DATA LINES SYSTEM COOLANT TEMP GAUGE DISPLAY INPUT DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENABLE PRNDL-P ENABLE PRNDL-C ENABLE PRNDL-B ENABLE PRNDL-A PWR ENGINE COOLANT HOT IND. ENGINE OIL PRESSURE SWITCH (LOWER RIGHT REAR OF ENGINE) FASTEN BELTS IND. FUEL GAUGE FUEL GAUGE SENDER FUEL TANK UNIT (0 OHMS: EMPTY 90 OHMS: FULL) GRY WIRE HEADLIGHTS SYSTEM HI-BEAM IND HOT AT ALL TIMES HOT IN OFF OR RUN HOT IN RUN, BULB TEST OR START HOT IN START I/P FUSE BLOCK (LEFT SIDE OF I/P) IGN IGNITION CONTROL MODULE (TOP FRONT OF ENGINE) ILLUMINATION LAMPS (3 BULBS) DIM LEVEL INSTRUMENT CLUSTER LEFT TURN IND LOW COOLANT IND LOW OIL PRES. INPUT LOW WASHER FLUID IND LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MALFUNCTION IND. LAMP (SERVICE ENGINE SOON) MISC/RDO/ CLSTR NCA WIRE NEAR AIR CLEANER ASSEMBLY) OIL PRESSURE IND ORG/ WIRE PCM FUSE 8 PNK WIRE PPL PPL 7 8 RIGHT I/P POWER DISTRIBUTION CENTER RIGHT TURN IND SECURITY IND SOLID STATE SPEEDO- METER ODOMETER TACHO- METER TAN WIRE TAN/WHT WIRE TEST INPUT E/M INPUT TRACTION ACTIVE IND TRACTION OFF IND. VOLTS IND. TRANSIENT SUPPRESSION TRIP RESET INPUT TRIP SELECT INPUT WARNING SYSTEM WASHER FLUID LEVEL SWITCH (IN WASHER FLUID RESERVOIR) WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (MASTER CYLINDER RESERVOIR) BRN/WHT WIRE BULB TEST DK GRN/WHT WIRE GRY WIRE HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK IGNITION SWITCH JUNCTION CONNECTOR LEFT REAR DOOR SWITCH LOW COOLANT SENSOR (LOWER RIGHT REAR OF RADIATOR) LT BLU WIRE LT BLU/BLK WIRE NCA WIRE NON OBD II OFF LOCK PARK BRAKE SWITCH (TOP OF PARK BRAKE ASSEMBLY) PARK/ NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSAXLE) PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT FRONT OF ENGINE COMPT) PPL PPL 7 8 PPL NORMAL PPL PPL RIGHT FRONT DOOR SWITCH RIGHT REAR DOOR SWITCH RUN WIRE TAN/WHT WIRE VEHICLE SPEED OUTPUT 4000 P/M OIL LEVEL IND OUTPUT VEHICLE SPEED SENSOR (LOWER RIGHT REAR OF ENG, NEAR OIL PRESSURE SENSOR) VSS INPUT WHT WIRE YEL WIRE YEL/BLK WIRE

1642 139 PNK 229 625 264 WIRE 251 251 1074 1073 GROUND GROUND KEY RES IN KEY RES IN BAT IGN ENABLE OUT RLY CNTRL IND CNTRL BLK WIRE BLK/WHT WIRE BUICK PONTIAC BULB TEST LOCK OFF CRNK AIRBAG/ VATS DK BLU WIRE DK GRN WIRE ENABLE RELAY (BEHIND LEFT SIDE OF I/P, ABOVE FUSE BOX) FUEL ENABLE HOT AT ALL TIMES HOT AT ALL TIMES IGNITION SWITCH ACCY HOT IN RUN, BULB TEST OR START HOT IN START I/P FUSE BLOCK IGNITION KEY IGNITION KEY LOCK CYLINDER IND CONTROL INFORMATION CENTER INSTRUMENT CLUSTER (ALL EXCEPT NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH PASSKEY II DECODER MODULE (BEHIND RIGHT SIDE OF I/P) PCM FUSE 8 (OLDS) MISC/RDO/ CLSTR PCM/ VATS FUSE 4 PNK (OLDS) (PONT, BUICK) WIRE PNK IGN WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL/ RESISTOR PELLET PPL/WHT WIRE RED WIRE REMOTE FUNCTION ACTUATOR MODULE (BEHIND RIGHT SIDE OF I/P) RIGHT MAXI FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) RUN WIRE SECURITY INDICATOR STARTER SOLENOID VATS WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

ACCY BATTERY BLK WIRE BULB TEST CHARGING CIRCUIT HOLD- IN COIL I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) AIRBAG/ VATS IGN SW FUSE IGNITION SWITCH INSTRUMENT CLUSTER SYSTEM (OLDS) PPL PPL LEFT MAXI FUSE BLOCK LOCK NCA WIRE OFF PARK/NEUTRAL POSITION (PNP) SWITCH (ON LEFT SIDE OF TRANSAXLE) PASS KEY THEFT DETERRENT MODULE (NEAR REAR OF GLOVE BOX) POWER DISTRIBUTION SYSTEM PPL PULL- IN COIL RED WIRE RIGHT HAND MAXI FUSE BLOCK RUN WIRE STARTER ENABLE STARTER ENABLE RELAY (BEHIND DASH, LEFT OF STEERING COLUMN) STARTER MOTOR STARTER SOLENOID YEL WIRE YEL/BLK 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