Buick Roadmaster VIII (1991-1996) yel Wiring diagrams

BLK WIRE BLK/WHT WIRE GROUND HEAD HEADLT DIMMER HEADLT SW HI-BEAM IND HOT AT ALL TIMES INSTRUMENT CLUSTER LEFT DUAL BEAM HEADLT LT GRN LT GRN WIRE LT GRN WIRE NOT USED OFF PARK RIGHT DUAL BEAM HEADLT TAN WIRE YEL WIRE

AMBIENT LT SENSOR INPUT BLK WIRE BLK/WHT 1491 WIRE BLK/WHT WIRE BRN WIRE CONN 1 CONN 2 DK GRN/WHT WIRE EXT LPS FUSE EXTERIOR LTS FUS LINK A (UNDERHOOD ELECTRICAL CENTER) GROUND HEAD HEADLT AUTO CONTROL MODULE (ABOVE BASE OF STEERING COLUMN) HEADLT AUTO CTRL AMBIENT LT SENSOR HEADLT DIMMER HEADLT SW HI BEAM GROUND B+ HI-BEAM IND HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK CHIME FUSE INSTRUMENT CLUSTER INTERIOR, EXTERIOR LTS INTERNAL HEAD RELAY INTERNAL PARK RELAY LEFT DUAL BEAM HEADLT LT GRN LT GRN WIRE LT GRN WIRE LT GRN/BLK WIRE LTS ON INPUT LTS ON WARNING INPUT IGNITION DELAY ON/OFF OUTPUT #2 OUTPUT #1 MAX MIN PPL NOT USED OFF ORG/ WIRE PARK PNK PPL WIRE PNK WIRE RED WIRE RIGHT DUAL BEAM HEADLT TAN WIRE TWILIGHT SENTINEL SW WARNING ALARM (CONVENIENCE CENTER) YEL WIRE YEL/BLK WIRE

ABS INDICATOR VOLTS INDICATOR AIR BAG INDICATOR BLK WIRE BLK/WHT WIRE BRAKE INDICATOR BRAKE PRESSURE MODULATOR VALVE BRAKE PRESSURE SWITCH BRN WIRE BRN/WHT WIRE BULB TEST BULB TEST OFF CHANGE OIL IND CTRL CHANGE OIL INDICATOR CONVENIENCE CENTER CRUISE CONTROL MODULE ABS IND. CTRL CRUISE INDICATOR DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE ABS IND. CTRL ENGINE COOLANT TEMPER- ATURE GAUGE ENGINE COOLANT TEMPERATURE SENDER ENGINE OIL LEVEL SWITCH FASTEN BELTS IND CTRL FASTEN SEAT BELT HI BEAM INDICATOR INDICATOR FUEL GAUGE FUSE BLOCK- I/P GATE AJAR INDI- CATOR GENERATOR GRY WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES FUSE BLOCK:I/P CLUS CHI FUSE HOT COOLANT TEMP. INDI- CATOR HOT IN RUN, BULB TEST OR START I/P INDC FUSE IGNITION SWITCH ILLUMIN- ATION (6 BULBS) INFLATABLE RESTRAINT DIAGNOSTIC ENERGY RESERVE MODULE INSTRUMENT CLUSTER LEFT TURN INDI- CATOR PASS- KEY INDI- CATOR LOCK OFF LOW COOLANT LEVEL INDICATOR LOW ENGINE COOLANT INDICATOR PROBE LOW FUEL INDI- CATOR LOW OIL IND. CTRL OIL LEVEL INPUT LOW OIL LEVEL INDICATOR LOW WASH FLUID INDI- CATOR LOW WASH FLUID LEVEL SWITCH LT BLU WIRE LT GRN WIRE MALFUNCTION INDICATOR OIL PRESSURE INDICATOR OIL PRESSURE SWITCH ORG/ WIRE PARK BRAKE IN (RIGHT KICK PANEL) PARK BRAKE SWITCH LOCK PASS- KEY IND. CTRL PNK WIRE POWERTRAIN CONTROL MODULE POWERTRAIN CONTROL MODULE MIL IND. CTRL PPL PPL DAYTIME RUNNING LIGHTS MODULE PPL BRAKE IND. CTRL REAR COMPT COURTESY LAMPS RIGHT TURN INDICATOR RUN WIRE SENDER (MOUNTED IN FUEL TANK) SIR IND. CTRL SOLID STATE SPEEDO- METER TAILGATE AJAR SWITCH TAN WIRE TAN/WHT WIRE VEHICLE SPEED OUTPUT VOLTS IND CTRL W/ DRL W/O DRL WAGON ONLY WARNING ALARM (LEFT I/P, LEFT OF STEERING COLUMN) WHT WIRE YEL 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

ANTENNA ANTENNA COAXIAL ANTENNA MOTOR UP BLK WIRE CABLE) DK GRN WIRE DOWN DOWN SWITCH DOWN DOWN UP FUSE BLOCK:I/P GRY WIRE HOT AT ALL TIMES HOT IN RUN ORG/ WIRE PWR ANT FUSE (26) 20 AMP RADIO RADIO FUSE (9) 10 AMP RADIO POWER SOLID STATE UP UP SWITCH WHT WIRE YEL WIRE

#1 #4 #6 #7 #3 #2 A/C COMPRESSOR RELAY SECONDARY ENGINE COOLING FAN RELAY AIR FUSE #3 AUTOMATIC LEVEL CONTROL AIR COMPRESSOR BASE BRAKE PRESSURE MODULATOR VALVE BRN WIRE CHEVROLET CHEVROLET BUICK CONVENIENCE CENTER DIMMER SWITCH DIMMER SWITCH BUICK ELC FUSE #1 EMI FUSE #4 EVAPORATIVE EMISSION CANISTER PURGE VALVE EXT LPS FUSE 31 F/P FUSE #2 FROM BATTERY FROM IGNITION SWITCH FROM IGNITION SWITCH HEADLAMP SWITCH FRONT LAMPS FUEL INJECTORS FUEL INJECTORS PNK PNK PNK PNK WIRE FUEL PUMP RELAY FUEL PUMP/ ENGINE OIL PRESSURE SWITCH FUSIBLE LINK A FUSIBLE LINK B FWD LPS FUSE #41 INT DIM FUSE #42 GENERATOR GRY/BLK WIRE HEAD HEAD PARK HEADLAMP AUTO CONTROL MODULE OR DAYTIME RUNNING LAMPS CONTROL MODULE HEADLAMP SWITCH INSTRUMENT CLUSTER HEATER- A/C CONTROL HEADLAMP AND INSTRUMENT PANEL LAMP RADIO HORN RELAY HORNS FUSE #32 HOT AT ALL TIMES I/P FUSE BLOCK I/P FUSE BLOCK RR T/LPS FUSE #43 NCA WIRE OFF OFF PARK ORG/ WIRE PANEL LAMPS DIMMING MODULE INTERIOR LAMPS DIODE PNK PNK PNK PNK WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE POWER SOURCE INFORMATION NOT AVAILABLE POWERTRAIN CONTROL MODULE POWERTRAIN CONTROL MODULE IGNITION COIL AUTOMATIC TRANSMISSION PPL PRI FAN FUSE #7 PRIMARY ENGINE COOLING FAN RELAY REAR LAMPS RED WIRE SEC FAN FUSE #8 SECONDARY AIR INJECTION PUMP RELAY SEO SOLENOID TRANS FUSE #5 FUEL INJ FUSE #6 FUEL INJ FUSE #9 TURN SIGNAL SWITCH UNDERHOOD ELECTRICAL CENTER UNDERHOOD LAMP WITH TWILIGHT SENTINEL OR DAYTIME RUNNING LAMPS YEL WIRE

A/C DRL FUSE #20 VES FUSE #18 ABS FUSE #7 AIR BAG FUSE #15 ALL BUICK, CHEVROLET WAGON AUTO-LEVEL CONTROL SENSOR BRN WIRE CHEVROLET CHEVROLET BUICK CHEVROLET ONLY CHIME FUSE #13 CONVENIENCE CENTER CRANK FUSE #24 CRUISE CONTROL MODULE CRUISE CONTROL SWITCH CRUISE CONTROL RELEASE SWITCH DAYTIME RUNNING LAMPS MODULE ELECTRONIC BRAKE CONTROL MODULE FROM UNDERHOOD ELECTRICAL CENTER HEADLAMP AUTO CONTROL MODULE WARNING ALARM HEADLAMP SWITCH LAMP HEADLAMP SWITCH REAR DEFOGGER CONTROL SWITCH HEATER-A/C CONTROL HVAC BLO FUSE #17 I/P FUSE BLOCK I/P INDC FUSE #11 IGNITION SWITCH INFLATABLE RESTRAINT DIAGNOSTIC ENERGY RESERVE MODULE INFLATABLE RESTRAINT DIAGNOSTIC ENERGY RESERVE MODULE REAR WINDOW DEFOG RELAY INSTRUMENT CLUSTER LEVEL CONTROL FUSE #12 LOCK OFF MASTER POWER WINDOW SWITCH LOW BLOWER MOTOR RELAY NCA WIRE OFF ORG/ WIRE PASSKEY FUSE #14 PNK PNK (BUICK) (CHEVROLET) WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE POWER STEERING CONTROL MODULE POWER WINDOW LOCKOUT SWITCH POWER WINDOW CONTROL MODULE PPL PWR WDO CIRCUIT BREAKER #2 CRUISE FUSE #16 RADIO FUSE #9 REAR COMPARTMENT LID RELEASE SWITCH REAR WIPER RADIO SWITCH (WAGON) RED WIRE REMOTE CONTROL DOOR LOCK RECEIVER HEATER- A/C CONTROL RR WIPER FUSE #8 RUN WIRE SEO THEFT DETERRENT MODULE THEFT DETERRENT RELAY TO UNDERHOOD ELECTRICAL CENTER TO UNDERHOOD ELECTRICAL CENTER PNK WIRE TURN SIGNAL FLASHER BACK-UP LAMP/ TRANSMISSION POSITION SENSOR SWITCH VACUUM ELECTRIC SOLENOID ELECTRIC ACTUATOR W/ DRL W/ TWILIGHT SENTINEL W/O DRL WINDSHIELD WIPER/ WASHER SWITCH WIPER FUSE #10 T/SIG FUSE #6 YEL WIRE

AMBIENT LIGHT SENSOR (WINSHIELD SIDE) AUTOMATIC DAY/NIGHT MIRROR BACKUP LAMP AND TRANSMISSION POSITION SENSOR SWITCH PNK WIRE BACKUP LAMP SWITCH BLK WIRE BLU WIRE CHIME FUSE CTSY PWR LOCK FUSE DOWN DOWN UP GRN WIRE GROUND HEADLAMP SENSOR (MIRROR SIDE) HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INDICATOR CONTROL LEFT OUTSIDE REARVIEW MIRROR LEFT RIGHT LEFT/RIGHT MOTOR LT BLU WIRE LT GRN WIRE MIN MIRROR POSITION SWITCH LEFT MIRROR POSITION SWITCH UP MIRROR SELECT SWITCH MIRROR SWITCH NCA WIRE OFF MAX ON INDICATOR ORG/ WIRE OUTSIDE REMOTE CONTROL REARVIEW MIRROR SWITCH PNK WIRE PPL/WHT WIRE RED WIRE RESET TO DAYTIME HIGH REFLECTIVITY IN REVERSE RIGHT RIGHT LEFT RIGHT OUTSIDE REARVIEW MIRROR SENSITIVITY SETTINGS SOLID STATE T/SIG FUSE UP/DOWN MOTOR WHT WIRE YEL WIRE

BACK BLK WIRE DK BLU WIRE DK GRN WIRE DOWN ENTIRE SEAT FOR- WARD FORWARD/ BACK MOTOR FRONT HEIGHT FRONT HEIGHT FRONT HEIGHT MOTOR HOT AT ALL TIMES I/P FUSE BLOCK LEFT SEAT LEFT SEAT SWITCH (LEFT FRONT DOOR ARMREST) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PWR ST CIRCUIT BREAKER REAR HEIGHT REAR HEIGHT MOTOR RIGHT SEAT RIGHT SEAT SWITCH (RIGHT FRONT DOOR ARMREST) TAN WIRE YEL WIRE

AIR CONDITIONING SYSTEM ANTENNA ANTENNA INPUT BATTERY POWER BLK/WHT WIRE BRN WIRE COAXIAL CABLE DIM SIGNAL DK BLU WIRE DK GRN WIRE GROUND GRY WIRE HOT AT ALL TIMES HOT IN ACCY OR RUN I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) IGNITION POWER LEFT FRONT SPEAKER (WOOFER) LEFT FRONT SPEAKER (TWEETER) LEFT REAR SPEAKER LT BLU WIRE LT FRT SPKR LT GRN WIRE LT REAR SPKR ON OUTPUT ORG/ WIRE PANEL LIGHT POWER ANTENNA SYSTEM PPL/WHT WIRE RADIO RADIO FUSE RIGHT FRONT SPEAKER (TWEETER) RIGHT FRONT SPEAKER (WOOFER) RIGHT REAR SPEAKER RT FRT SPKR RT REAR SPKR TAN WIRE VF-PWM SIGNAL YEL WIRE