Oldsmobile Ninety-Eight XI (1991-1996) yel/blk Wiring diagrams

1312 1315 HEADLAMPS SYSTEM (LOW BEAMS) 1995 VFTC ADAPTIVE LAMP MONITOR CONTROL MODULE (BEHIND I/P, RIGHT SIDE OF STEERING COLUMN) B/U LPS SENSE RR TN SIG SENSE CHMSL SENSE LR TN SIG SENSE RF MKR SENSE BACK-UP LAMPS CIRCUIT (BACK-UP LAMPS) BACK-UP LAMPS CIRCUIT (PARK/NEUTRAL POSITION SWITCH) 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 LAMPS CIRCUIT (BRAKE SWITCH) EXTERIOR LAMPS CIRCUIT (FRONT LAMPS) EXTERIOR LAMPS CIRCUIT (HEADLAMP SWITCH) EXTERIOR LAMPS CIRCUIT (HIGH MOUNT STOP LAMP) 1334 1253 EXTERIOR LAMPS CIRCUIT (REAR LAMPS) EXTERIOR LAMPS CIRCUIT (TURN/HAZARD SWITCH) GRY WIRE HEADLAMPS SYSTEM (HEADLAMP DIMMER SWITCH) HEADLAMPS 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 LF MKR SENSE LF TN SIG SENSE HI BEAM SENSE LO BEAM SENSE RF TN SIG SENSE TAILLIGHT SENSE REAR LPS SENSE LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT RR SIG INPUT BRAKE LPS INPUT RT RR SIG INPUT P/N SW INPUT ORG/ WIRE PARK LPS INPUT 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 WIRE YEL WIRE YEL/BLK WIRE

1995 VFTC ADAPTIVE LAMP MONITOR CONTROL MODULE (BEHIND I/P, RIGHT SIDE OF STEERING COLUMN) ANTI-LOCK BRAKE SYSTEM BLK WIRE BRN WIRE BRN/WHT WIRE CENTER HIGH MOUNTED STOP LAMP CRUISE/SHIFT INTERLOCK BRAKE SWITCH (ON BRAKE PEDAL SUPPORT) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE HAZARD FLASHER (BEHIND I/P, RIGHT OF STEERING COLUMN SUPPORT) HAZARD SWITCH HEAD HEAD PARK LAMP SWITCH HOT AT ALL TIMES HOT IN RUN,BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER LAMP LAMP CONTROL MODULE (CENTER OF I/P) LEFT CORNERING LAMP LEFT FRONT PARK/ TURN LAMP LEFT FRONT SIDE MARKER LAMP LEFT TURN INDICATOR LEFT TURN SWITCH LICENSE LICENSE LAMP (EIGHTY EIGHT) LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE OFF PARK ORG/ WIRE PARK LAMP RELAY (IN RELAY CENTER) PNK PNK PNK LEFT REAR SIDE MARKER LAMP RIGHT REAR SIDE MARKER LAMP WIRE PNK WIRE PPL RIGHT CORNERING LAMP RIGHT FRONT PARK/ TURN LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT TURN INDICATOR RIGHT TURN SWITCH TAIL LAMP TAIL/ STOP/ TURN LAMP TAN WIRE TAN/WHT WIRE TURN FLASHER (ATTACHED TO SOUND INSULATOR) TURN/HAZARD SWITCH ASSEMBLY W/ TWILIGHT SENTINEL/ DAYIME RUNNING LIGHTS W/ TWILIGHT SENTINEL/ DAYTIME RUNNING LIGHTS ONLY W/O TWILIGHT SENTINEL/ DAYIME RUNNING LIGHTS WHT WIRE YEL WIRE YEL/BLK WIRE

ABOVE RIGHT HORN) ACCY BATT HEADLT CTRL PNK 3 IGN INPUT GROUND GROUND WIRE BLK WIRE BLK/WHT 251 WIRE BLK/WHT WIRE BULB TEST DAYTIME RUNNING LIGHTS RESISTOR DRL CTRL GRY 589 WIRE GRY WIRE HEAD HEADLT DIMMER HEADLT RELAY HI BEAM HI BEAM INPUT LO BEAM INPUT HI BEAM SENSE LO BEAM SENSE HI-BEAM IND HOT AT ALL TIMES HOT IN RUN, START I/P FUSE BLOCK IGNITION SWITCH LAMP CB LAMP CONTROL MODULE (BEHIND CENTER OF DASH, ABOVE HVAC CASE) LEFT COMPOSITE HEADLT BEAM ASSEMBLY LH UNDER HOOD FUSE BLOCK LIGHT SW LO HI BEAM LOCK LT GRN 11 WIRE LT GRN 275 WIRE LT GRN WIRE LT GRN/BLK 1311 WIRE LT GRN/BLK WIRE NCA WIRE OFF ON MIN PARK PARK INPUT HI BEAM ON INPUT PHOTOCELL INPUT PPL 1783 DELAY INPUT ENABLE INPUT PARK/NEUTRAL POSITION PNK WIRE RED 242 WIRE RED WIRE RELAY CENTER RIGHT COMPOSITE HEADLT LO BEAM ASSEMBLY RUN WIRE SW (LO) TAN 12 WIRE TAN WIRE TAN/WHT 1312 WIRE TAN/WHT WIRE TWILIGHT SENTINEL CONTROL TWILIGHT SENTINEL PHOTOCELL (TOP LEFT SIDE OF DASH) WHT 278 WIRE WHT WIRE YEL 10 WIRE YEL WIRE YEL/BLK 1784 WIRE YEL/BLK WIRE

ABOVE RIGHT HORN) ACCY BATT HEADLT CTRL PNK 3 IGN INPUT GROUND GROUND WIRE BLK WIRE BLK/WHT 251 WIRE BLK/WHT WIRE BULB TEST DAYTIME RUNNING LIGHTS RESISTOR DRL CTRL GRY 589 WIRE GRY WIRE HEAD HEADLT DIMMER HEADLT RELAY HI BEAM HI-BEAM IND HOT AT ALL TIMES HOT IN RUN, START I/P FUSE BLOCK IGNITION SWITCH LAMP CB LAMP CONTROL MODULE (BEHIND CENTER OF DASH, ABOVE HVAC CASE) LEFT COMPOSITE HEADLT BEAM ASSEMBLY LH UNDER HOOD FUSE BLOCK LIGHT SW LO HI BEAM LOCK LT GRN 11 WIRE LT GRN 275 WIRE LT GRN WIRE NCA WIRE OFF ON MIN PARK PARK INPUT HI BEAM ON INPUT PHOTOCELL INPUT PPL 1783 DELAY INPUT ENABLE INPUT PARK/NEUTRAL POSITION PNK WIRE RED 242 WIRE RED WIRE RELAY CENTER RIGHT COMPOSITE HEADLT LO BEAM ASSEMBLY RUN WIRE SW (LO) TAN WIRE TWILIGHT SENTINEL CONTROL TWILIGHT SENTINEL PHOTOCELL (TOP LEFT SIDE OF DASH) WHT 278 WIRE WHT WIRE YEL 10 WIRE YEL WIRE YEL/BLK 1784 WIRE YEL/BLK WIRE

35 451 551 451 551 424 INSTRUMENT CLUSTER 473 335 COOLANT FAN RELAYS 800 800 COMPUTER DATA LINES AIR CONDITIONING B/H CONN B/H CONN PPL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE BUICK ONLY 418 25 639 435 25 401 400 225 BUICK ONLY AIR CONDITIONING OIL LIFE MONITOR RESET SWITCH CCR BRAKE/THROTTLE OUT COMPUTER COMMAND RIDE CONTROLLER CRUISE CONTROL DATA LINK CONNECTOR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE AND TRACTION CONTROL MODULE FUEL PUMP FUEL TANK UNIT FUEL PUMP PRIME CONNECTOR (FRONT RIGHT OF ENGINE COMPT) FUEL PUMP RELAY CTRL FUSE 5 GENERATOR GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES RIGHT UNDERHOOD FUSE BLOCK FUSE 4 HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK FUSE INSTRUMENT CLUSTER INSTRUMENT CLUSTER (CHANGE OIL LAMP) INSTRUMENT CLUSTER (VOLTS INDICATOR) INSTRUMENT CLUSTER COMPUTER COMMAND RIDE CONTROLLER (BELOW LEFT FRONT SEAT) LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MALFUNCTION (EXCEPT PARK AVENUE) INDICATOR INFORMATION CENTER (PARK AVENUE) MASS AIR FLOW (MAF) SENSOR (FRONT OF AIR INTAKE SYSTEM) MULTI- FUNCTION CHIME MODULE OIL PRES SW (IND CLSTR), OIL PRES SENDER/SW ORG/BLK WIRE PASS- KEY II DECODER MODULE (RIGHT SIDE OF I/P) TM PNK IGN WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RELAY CENTER FUSE 6 RELAY CENTER FUSE 8 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE VEHICLE SPEED SENSOR (VSS) (LOWER RIGHT REAR OF ENGINE) WHT WIRE YEL WIRE YEL/BLK WIRE

B/H CONN BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE BUFFER/ AMPLIFIER BYPASS SWITCH CAMSHAFT POSITION SENSOR (LOWER SIDE OF ENGINE, ABOVE LOWER PULLEY) COILS CRANKSHAFT SENSOR (LOWER RIGHT SIDE OF ENGINE, AHEAD OF LOWER PULLEY) CRUISE CONTROL DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ELECTRONIC IGNITION (EI) MODULE (TOP RIGHT FRONT OF ENGINE) GRY WIRE GRY/RED WIRE HALL EFFECT SENSOR + HALL EFFECT SENSOR + HEATED OXYGEN SENSOR (LOWER REAR OF ENGINE, ON EXHAUST MANIFOLD) HOT IN RUN, BULB TEST OR START HOT IN RUN, BULB TEST OR START RELAY CENTER FUSE 5 IAT SENSOR IN IGNITION KNOCK SENSOR (LOWER RIGHT REAR OF ENGINE, LEFT OF OIL FILTER) LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE PNK PNK B/H CONN WIRE PNK WIRE PNK/BLK WIRE PPL PPL TCC BRAKE IN SERVO POS SENSOR IN PPL/WHT WIRE RED/BLK WIRE RELAY CENTER FUSE 6 SENSOR FEED SENSOR GROUND SHIFT A SOLENOID CTRL SHIFT B SOLENOID CTRL TCC SOLENOID CTRL SPARK PLUGS SWS/ AMPLIFIER TACH TACHOMETER (INSTRUMENT CLUSTER) TAN WIRE TAN/BLK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AUTOMATIC TRANSAXLE (LEFT SIDE OF ENGINE, BELOW CRUISE CONTROL SERVO) B/H CONN BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU WIRE ENGINE COOLANT TEMP (ECT) SENSOR (TOP LEFT SIDE OF ENGINE, BEHIND THROTTLE BODY) FUEL INJECTORS FUSE GRY WIRE HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INTAKE AIR TEMP (IAT) SENSOR (LEFT SIDE OF ENGINE, NEAR TRANSAXLE) LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE PARK/NEUTRAL POSITION SWITCH (LEFT REAR OF ENGINE, LEFT SIDE OF TRANSAXLE) PNK WIRE PNK/BLK WIRE PPL RED WIRE RELAY CENTER FUSE 7 SHIFT A SOL SHIFT B SOL TAN WIRE TAN/BLK WIRE TCC CTRL SOL TCC PWM SOL THROTTLE POSITION (TP) SENSOR (TOP LEFT SIDE OF ENGINE, UNDER MAF SENSOR) TRANS TEMP SENS WHT WIRE YEL WIRE YEL/BLK WIRE

35 451 551 451 551 424 INSTRUMENT CLUSTER 473 335 COOLANT FAN RELAYS 800 800 COMPUTER DATA LINES AIR CONDITIONING B/H CONN B/H CONN PPL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE BUICK ONLY 418 25 639 435 25 401 400 225 BUICK ONLY AIR CONDITIONING OIL LIFE MONITOR RESET SWITCH CCR BRAKE/THROTTLE OUT COMPUTER COMMAND RIDE CONTROLLER CRUISE CONTROL DATA LINK CONNECTOR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE AND TRACTION CONTROL MODULE FUEL PUMP FUEL TANK UNIT FUEL PUMP PRIME CONNECTOR (FRONT RIGHT OF ENGINE COMPT) FUEL PUMP RELAY CTRL FUSE 5 GENERATOR GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES RIGHT UNDERHOOD FUSE BLOCK FUSE 4 HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK FUSE INSTRUMENT CLUSTER INSTRUMENT CLUSTER (CHANGE OIL LAMP) INSTRUMENT CLUSTER (VOLTS INDICATOR) INSTRUMENT CLUSTER COMPUTER COMMAND RIDE CONTROLLER (BELOW LEFT FRONT SEAT) LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MALFUNCTION (EXCEPT PARK AVENUE) INDICATOR INFORMATION CENTER (PARK AVENUE) MASS AIR FLOW (MAF) SENSOR (FRONT OF AIR INTAKE SYSTEM) MULTI- FUNCTION CHIME MODULE OIL PRES SW (IND CLSTR), OIL PRES SENDER/SW ORG/BLK WIRE PASS- KEY II DECODER MODULE (RIGHT SIDE OF I/P) TM PNK IGN WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RELAY CENTER FUSE 6 RELAY CENTER FUSE 8 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE VEHICLE SPEED SENSOR (VSS) (LOWER RIGHT REAR OF ENGINE) WHT WIRE YEL WIRE YEL/BLK WIRE

B/H CONN BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE BUFFER/ AMPLIFIER BYPASS SWITCH CAMSHAFT POSITION SENSOR (LOWER SIDE OF ENGINE, ABOVE LOWER PULLEY) COILS CRANKSHAFT SENSOR (LOWER RIGHT SIDE OF ENGINE, AHEAD OF LOWER PULLEY) CRUISE CONTROL DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ELECTRONIC IGNITION (EI) MODULE (TOP RIGHT FRONT OF ENGINE) GRY WIRE GRY/RED WIRE HALL EFFECT SENSOR + HALL EFFECT SENSOR + HEATED OXYGEN SENSOR (LOWER REAR OF ENGINE, ON EXHAUST MANIFOLD) HOT IN RUN, BULB TEST OR START HOT IN RUN, BULB TEST OR START RELAY CENTER FUSE 5 IAT SENSOR IN IGNITION KNOCK SENSOR (LOWER RIGHT REAR OF ENGINE, LEFT OF OIL FILTER) LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE PNK PNK B/H CONN WIRE PNK WIRE PNK/BLK WIRE PPL PPL TCC BRAKE IN SERVO POS SENSOR IN PPL/WHT WIRE RED/BLK WIRE RELAY CENTER FUSE 6 SENSOR FEED SENSOR GROUND SHIFT A SOLENOID CTRL SHIFT B SOLENOID CTRL TCC SOLENOID CTRL SPARK PLUGS SWS/ AMPLIFIER TACH TACHOMETER (INSTRUMENT CLUSTER) TAN WIRE TAN/BLK WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AUTOMATIC TRANSAXLE (LEFT SIDE OF ENGINE, BELOW CRUISE CONTROL SERVO) B/H CONN BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU WIRE ENGINE COOLANT TEMP (ECT) SENSOR (TOP LEFT SIDE OF ENGINE, BEHIND THROTTLE BODY) FUEL INJECTORS FUSE GRY WIRE HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INTAKE AIR TEMP (IAT) SENSOR (LEFT SIDE OF ENGINE, NEAR TRANSAXLE) LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE PARK/NEUTRAL POSITION SWITCH (LEFT REAR OF ENGINE, LEFT SIDE OF TRANSAXLE) PNK WIRE PNK/BLK WIRE PPL RED WIRE RELAY CENTER FUSE 7 SHIFT A SOL SHIFT B SOL TAN WIRE TAN/BLK WIRE TCC CTRL SOL TCC PWM SOL THROTTLE POSITION (TP) SENSOR (TOP LEFT SIDE OF ENGINE, UNDER MAF SENSOR) TRANS TEMP SENS WHT WIRE YEL WIRE YEL/BLK WIRE