Buick Roadmaster VIII (1991-1996) (base of left "a" pillar, behind kick panel) Wiring diagrams

AUXILIARY DOME LAMP BASE SEO BLK WIRE BLU WIRE CLUS CHI FUSE #33 CONVENIENCE CENTER (BEHIND LEFT SIDE OF I/P) COURTESY SWITCH CTSY PWR LOCK FUSE 35 DK BLU WIRE DK BLU/WHT WIRE DK DK DK GRN WIRE DOME COURTESY LAMP RELAY DOME LAMP DOOR COURTESY LAMPS DOOR JAMB DOOR JAMB SWITCHES GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD ELECTRICAL CENTER (RIGHT FRONT WHEEL WELL) AIR FUSE 3 I/P COMPART- MENT LAMP I/P FUSE BLOCK (LEFT SIDE OF I/P) I/P PANEL LAMP DIMMER ON ILLUM ENTRY INSIDE REAR VIEW MIRROR INSTRUMENT CLUSTER SYSTEM ("GATE AJAR" INDICATOR) INT LPS FUSE #27 JAMB SW LEFT FRONT DOOR JAMB SWITCH LEFT FRONT SIDE DOOR COURTESY LAMP LEFT I/P COURTESY LAMP LEFT REAR COMPART- MENT COURTESY LAMP (WAGON) LEFT REAR SIDE DOOR COURTESY LAMP LEFT ROOF RAIL COURTESY AND READING LAMP LEFT SUNSHADE ILLUMINATED MIRROR NCA WIRE NON SEO SEO ORG/ WIRE PPL REAR COMPARTMENT COURTESY LAMP (SEDAN) RIGHT FRONT DOOR JAMB SWITCH LEFT REAR DOOR JAMB SWITCH RIGHT FRONT SIDE DOOR COURTESY LAMP RIGHT I/P COURTESY LAMP RIGHT REAR COMPART- MENT COURTESY LAMP (WAGON) RIGHT REAR DOOR JAMB SWITCH (BASE OF LEFT "A" PILLAR, BEHIND KICK PANEL) RIGHT REAR SIDE DOOR COURTESY LAMP RIGHT ROOF RAIL COURTESY AND READING LAMP RIGHT SUN- SHADE ILLUM- INATED MIRROR SEATBELT/ IGNITION KEY/ LAMPS/ TURN SIGNAL ALARM SEDAN SEO ONLY TAILGATE LOWER LOCK AJAR SWITCH TAN WIRE UNDERHOOD LAMP W/ KEYLESS ENTRY ONLY WAGON WARNING SYSTEM WHT WIRE

ANALOG DIM ASHTRAY LAMP AUTO HEADLAMP OR DRL CONTROL MODULE BASE BLK WIRE BRN WIRE COURTESY LAMPS CIRCUIT COURTESY SWITCH DIMMING SWITCH DK BLU WIRE GRY WIRE HEAD OFF PARK HEADLAMP SWITCH HEADLIGHT SWITCH HEATER AND A/C CONTROL HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF I/P) INSTRUMENT CLUSTER INT DIM FUSE 42 LEFT DOOR LOCK SWITCH LAMP MAX OPENS AT EXTREME POSITION RADIO REAR WINDOW WIPER/ WASHER, MULTI- FUNCTION SWITCH (WAGON) RIGHT DOOR LOCK SWITCH LAMP TRUNK LID RELEASE SWITCH WHT WIRE WITH DRL OR TWILIGHT SENTINEL YEL WIRE

BLK WIRE BRN WIRE C 1994 VFTC DK BLU WIRE DK GRN WIRE DOWN INPUT IGN DOWN MOT DRIVE (DRIVER'S DOOR) GRY WIRE HOT IN RUN I/P FUSE BLOCK LEFT FRONT SIDE WINDOW REGULATOR MOTOR LEFT REAR SIDE WINDOW REGULATOR MOTOR LEFT REAR SIDE WINDOW SWITCH DN LT BLU WIRE LT GRN WIRE MASTER SIDE WINDOW SWITCH DN POWER WINDOW CONTROL MODULE UP SENSE PPL PWR WDO CIRCUIT BREAKER RIGHT FRONT SIDE WINDOW REGULATOR MOTOR RIGHT FRONT SIDE WINDOW SWITCH RIGHT REAR SIDE WINDOW REGULATOR MOTOR RIGHT REAR SIDE WINDOW SWITCH DN SIDE WINDOW LOCKOUT SWITCH TAN WIRE

5 VOLTS REF 5 VOLTS REF PNK IGNITION WIRE A/C CLUTCH STATUS A/C COMPRESSOR RELAY A/C REQUEST SIG AIR CONDITIONING SYSTEM AIR PUMP RELAY CTRL BATTERY BATTERY PPL SENSOR GROUND BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COIL CONN B COOLANT FAN RELAYS CRUISE CONTROL, SPEEDO, RADIO, WARNING ALARM, CENT CTRL MODULE DIST IGNITION FEED DIST REF LOW SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EGR SOLENOID CTRL ELECTRICAL ENG OIL LEVEL SENSOR SIG ENG OIL RESET SW ENGINE OIL CHANGE RESET SWITCH (NEXT TO I/P FUSE) ENGINE OIL LEVEL SENSOR (LEFT SIDE OF ENGINE OIL PAN) F/P FUSE #2 FUEL ENABLE SIG FUEL INJ FUSE #6 FUEL INJ FUSE #9 FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL INJECTOR 7 FUEL INJECTOR 8 FUEL PUMP RELAY CTRL GROUND GRY WIRE HIGH RES DISTRIBUTOR HIGH RESOLUTION SIG HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START IGN IGNITION CTRL INJ 1 CTRL INJ 2 CTRL INJ 3 CTRL INJ 4 CTRL INJ 5 CTRL INJ 6 CTRL INJ 7 CTRL INJ 8 CTRL INSTRUMENT CLUSTERS INTERFACE CIRCUIT LOW OIL IND CTRL LOW RES LOW RESOLUTION SIG LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MAF SENSOR SIG MASS AIR FLOW SENSOR (BETWEEN AIR CLEANER AND INTAKE RESONATOR) OPTICAL SENSOR ORG/ WIRE ORG/BLK WIRE PCM GROUND PIPE) PNK WIRE PNK/BLK WIRE POWER STEERING PRESSURE SWITCH (IN POWER STEERING LINE NEAR POWER UNIT) POWERTRAIN CONTROL MODULE (FORWARD OF LEFT WHEELHOUSE, UNDER AIR CLEANER) PPL PPL VSS GROUND PRI COOL FAN RELAY CTRL PSP SWITCH IN RED WIRE RED/BLK WIRE REF LOW SEC COOL FAN RELAY CTRL SENSOR GROUND SPARK PLUGS SYSTEM TAN/WHT WIRE TCC TEMP SWITCH TCC TEMP SWITCH SIG THEFT DETERENT MODULE TRANS 1-2 SHIFT CTRL TRANS 2-3 SHIFT CTRL TRANS 3-2 SHIFT CTRL TRANS FUSE #5 UNDER- HOOD VEHICLE SPEED SENSOR VSS OUT VSS SIGNAL CONN A WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID (PWM) A/C CLUTCH CTRL A/C COMPRESSOR RELAY A/C PRESS SENSOR SIG A/C REFRIGERANT PRESSURE SENSOR (IN HI PRESSURE LINE ABOVE RIGHT WHEELHOUSE) AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BLOCK, BELOW BLOCK, FORWARD BRN WIRE BRN/WHT WIRE CANISTER PURGE CTRL COMPARTMENT) CONN D DATA LINK CONNECTOR DK BLU WIRE DK GRN/WHT WIRE EXHAUST MANIFOLD) FUEL PUMP PRIMING CONNECTOR (NEAR A/C ACCUMULATOR) FUEL PUMP/ LEVEL SENDER (IN FUEL FUEL PUMP/ OIL PRESSURE SWITCH (TOP OF ENGINE AT REAR) GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE #2 I/P INDC FUSE #11 IGNITION COIL (FRONT OF ENGINE) IGNITION COIL MODULE (FRONT OF ENGINE) COIL DRIVER IGN IGN CTRL INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM KNOCK SENSOR SIG LEFT KNOCK SENSOR LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR MIL CTRL OF STARTER) ORG/ WIRE ORG/BLK WIRE OUTPUT/FIELD SERV ENBL PARK/NEUTRAL POSITION SWITCH (NEAR BASE OF STEERING COLUMN) PCM GROUND PNK CHANGE OIL IND CTRL WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (FORWARD OF LEFT WHEELHOUSE, UNDER AIR CLEANER) PPL PRESSURE CONTROL SOLENOID RED WIRE RED/BLK WIRE RIGHT KNOCK SENSOR SERIAL DATA SW A SW B SW C TAN WIRE TAN/BLK WIRE TANK) TCC SOLENOID TRANS FLUID TEMP SENSOR TRANS FLUID TEMP SIG TRANS FUSE #5 TRANS PRESS CTRL LOW PNK IGNITION WIRE TRANS TCC CTRL UNDER- HOOD ELECTRICAL CENTER WHT WIRE WHT/BLK WIRE YEL/BLK WIRE