GMC Vandura G1500 (1985-1995) headlight switch assembly Wiring diagrams

BLK WIRE BRN WIRE DAYTIME RUNNING LAMP INDICATOR DAYTIME RUNNING LAMPS MODULE (IN I/P HARNESS) DAYTIME RUNNING LAMPS RELAY (IN I/P HARNESS) DK BLU/WHT WIRE DK GRN/YEL WIRE FUSE BLOCK GRN WIRE HEAD PARK HEADLAMP DIMMER SWITCH HEADLIGHT SWITCH ASSEMBLY HI BEAM INDICATOR HI LO HORN/DM FUSE HOT AT ALL TIMES HOT IN RUN HTR FUSE INSTRUMENT CLUSTER LEFT HEADLAMP ASSEMBLY LT GRN WIRE LT GRN/BLK WIRE OFF OFF HEAD ORG/ WIRE PARK PARK BRAKE WARNING SWITCH (AT PARK BRAKE, UNDER LEFT SIDE OF I/P) PROVISIONS FOR FOG LAMPS RIGHT HEADLAMP ASSEMBLY TAN WIRE TAN/WHT WIRE WHT WIRE YEL WIRE

BLK WIRE DAYTIME RUNNING LAMP INDICATOR DAYTIME RUNNING LAMPS MODULE (BEHIND LEFT SIDE OF I/P) DAYTIME RUNNING LAMPS RELAY (BEHIND LEFT SIDE OF I/P, ABOVE STEERING COLUMN) DK BLU/WHT WIRE DRL FUSE FUSE BLOCK GAUGES FUSE GRN WIRE HEAD PARK HEADLAMP DIMMER SWITCH HEADLIGHT SWITCH ASSEMBLY HI BEAM INDICATOR HI LO HOT AT ALL TIMES HOT IN RUN OR START IGNITION LAMP FEED HI BEAM FEED HI BEAM INDICATOR OUTPUT TO RELAY GROUND INSTRUMENT CLUSTER LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LT GRN WIRE LT GRN/BLK WIRE OFF OFF HEAD ORG/ WIRE PARK PARK BRAKE WARNING SWITCH (ON PARK BRAKE SUPPORT BRACKET) PNK/BLK WIRE PPL PPL BULB CHECK RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP TAN WIRE WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE DAYTIME RUNNING LAMP CUTOFF RELAY DAYTIME RUNNING LAMP INDICATOR DAYTIME RUNNING LAMPS MODULE (IN I/P HARNESS) DAYTIME RUNNING LAMPS RELAY (IN I/P HARNESS) DK BLU/WHT WIRE DK GRN/YEL WIRE GRN WIRE HEAD PARK HEADLAMP DIMMER SWITCH HEADLIGHT SWITCH ASSEMBLY HI BEAM INDICATOR HI LO HORN/DM FUSE HOT AT ALL TIMES HOT IN RUN OR START FUSE BLOCK HTR FUSE INSTRUMENT CLUSTER LEFT HEADLAMP ASSEMBLY LEFT LOWER HEADLAMP (W/ HPR) LT GRN WIRE LT GRN/BLK WIRE OFF OFF HEAD ORG/ WIRE PARK PARK BRAKE WARNING SWITCH (AT PARK BRAKE, UNDER LEFT SIDE OF I/P) PROVISIONS FOR FOG LAMPS RIGHT HEADLAMP ASSEMBLY RIGHT LOWER HEADLAMP (W/ HPR) TAN WIRE TAN/WHT WIRE WHT WIRE YEL WIRE

ACCY BLK WIRE BRN WIRE BULB TEST BUS BAR GROUND DAYTIME RUNNING LAMP INDICATOR DAYTIME RUNNING LAMPS MODULE (ON LEFT SIDE OF I/P) DAYTIME RUNNING LAMPS RELAY (ON LEFT SIDE OF I/P) DIODE ARRAY MODULE (UNDER LEFT SIDE OF I/P) DK BLU/WHT WIRE DK GRN WIRE DRL FUSE FOG LAMP ON INDICATOR FOG LAMP RELAY (BEHIND LEFT SIDE OF I/P) FOG LAMP SWITCH ILLUM LAMP FUSE BLOCK GAGES FUSE GRN WIRE GROUND GRY WIRE HEAD PARK HEADLAMP DIMMER SWITCH HEADLIGHT SWITCH ASSEMBLY HI BEAM INDICATOR HORN/DIM FUSE HOT AT ALL TIMES HOT IN RUN OR START IGNITION SWITCH INSTR LPS FUSE INSTRUMENT CLUSTER LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LOCK OFF LT GRN WIRE LT GRN/BLK WIRE LT LT NCA WIRE OFF OFF HEAD ORG/ WIRE PARK PARK BRAKE SWITCH (ON PARK BRAKE PEDAL SUPPORT) PNK/BLK WIRE PPL PPL/WHT WIRE RIGHT FOG LAMP LEFT FOG LAMP RIGHT LOW BEAM HEADLAMP RIGHT HIGH BEAM HEADLAMP RUN WIRE TAN WIRE TAN/WHT WIRE VARIABLE VOLTAGE W/ HEADLIGHT SWITCH IN PARK OR HEAD, RHEOSTAT ADJUSTED WHT WIRE YEL WIRE

ACCY BLK WIRE BRN WIRE BULB TEST BUS BAR GROUND DAYTIME RUNNING LAMP INDICATOR DAYTIME RUNNING LAMPS MODULE (ON LEFT SIDE OF I/P) DAYTIME RUNNING LAMPS RELAY (ON LEFT SIDE OF I/P) DIODE ARRAY MODULE (UNDER LEFT SIDE OF I/P) DK BLU/WHT WIRE DK GRN WIRE DRL FUSE FOG LAMP ON INDICATOR FOG LAMP RELAY (BEHIND LEFT SIDE OF I/P) FOG LAMP SWITCH ILLUM LAMP FUSE BLOCK GAGES FUSE GRN WIRE GROUND GRY WIRE HEAD PARK HEADLAMP DIMMER SWITCH HEADLIGHT SWITCH ASSEMBLY HI BEAM INDICATOR HI HI LO LO HORN/DIM FUSE HOT AT ALL TIMES HOT IN RUN OR START IGNITION SWITCH INSTR LPS FUSE INSTRUMENT CLUSTER LEFT HEADLAMP ASSEMBLY RIGHT HEADLAMP ASSEMBLY LOCK OFF LT GRN WIRE LT GRN/BLK WIRE LT LT NCA WIRE OFF OFF HEAD ORG/ WIRE PARK PARK BRAKE SWITCH (ON PARK BRAKE PEDAL SUPPORT) PNK/BLK WIRE PPL PPL/WHT WIRE RIGHT FOG LAMP LEFT FOG LAMP RUN WIRE TAN WIRE TAN/WHT WIRE VARIABLE VOLTAGE W/ HEADLIGHT SWITCH IN PARK OR HEAD, RHEOSTAT ADJUSTED WHT WIRE YEL WIRE

BLK WIRE BRN WIRE DAYTIME RUNNING LAMP INDICATOR DAYTIME RUNNING LAMPS MODULE (IN I/P HARNESS) DAYTIME RUNNING LAMPS RELAY (IN I/P HARNESS) DK BLU/WHT WIRE DK GRN/YEL WIRE FUSE BLOCK GRN WIRE HEAD PARK HEADLAMP DIMMER SWITCH HEADLIGHT SWITCH ASSEMBLY HI BEAM INDICATOR HI LO HORN/DM FUSE HOT AT ALL TIMES HOT IN RUN HTR FUSE INSTRUMENT CLUSTER LEFT HEADLAMP ASSEMBLY LT GRN WIRE LT GRN/BLK WIRE OFF OFF HEAD ORG/ WIRE PARK PARK BRAKE WARNING SWITCH (AT PARK BRAKE, UNDER LEFT SIDE OF I/P) PROVISIONS FOR FOG LAMPS RIGHT HEADLAMP ASSEMBLY TAN WIRE TAN/WHT WIRE WHT WIRE YEL WIRE

BLK WIRE BRN WIRE DK GRN WIRE DOME LAMP FUSE BLOCK GRY WIRE HEADLIGHT SWITCH ASSEMBLY HIGH DIM HORN/DM FUSE HOT AT ALL TIMES I/P LPS FUSE INSTRUMENT CLUSTER LIGHT SWITCH OFF HEAD PARK ORG/ WIRE PANEL DIMMER SWITCH (ASSEMBLY) PANEL DIMMER SWITCH ASSEMBLY DOME SWITCH TAIL LPS FUSE TRANSMISSION RANGE INDICATOR LAMP WHT WIRE

ACC RADIO FUSE ACCY BATTERY JUNCTION BLOCK BLK WIRE BODY BUILDER'S DAYTIME RUNNING LAMPS JUNCTION BLOCK RELAY BRAKE WARNING SYSTEM (WARNING SYSTEMS) BRN WIRE BULB TEST CLUTCH DAYTIME RUNNING LAMPS MODULE WIPER MOTOR DK GRN WIRE ECM BAT FUSE FROM PANEL DIMMER SWITCH FROM PARK BRAKE WARNING SWITCH FUEL CYCLE MODULE DAYTIME RUNNING LAMPS RELAY FUEL PUMP RELAY, FUEL PUMP/ OIL PRESSURE SWITCH FUSE BLOCK FUSE BLOCK, GLOW PLUG CONTROLLER FUSIBLE FUSIBLE LINK E GAGES FUSE SHUNT GENERATOR GRY WIRE HAZARD FLASHER HEADLIGHT SWITCH ASSEMBLY HORN RELAY HORN/DM TAIL LPS FUSE FUSE HTR FUSE IGNITION SWITCH INSTR LPS FUSE INSTRUMENT TRANSMISSION CLUSTER RANGE INDICATOR LAMP LINK A LINK B LINK C LINK D LINK F LOCK LOCK OFF OFF ORG/ WIRE PCM PNK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE PPL RED WIRE RIGHT FRONT BATTERY LEFT REAR BATTERY RUN WIRE SHUNT STARTER RELAY STARTER SOLENOID STOP- HZ FUSE STOPLAMP SWITCH SWITCH TAN/WHT WIRE TO GLOW PLUG CONTROLLER W/ AUTO TRANSMISSION W/ MANUAL TRANSMISSION ONLY PPL WHT WIRE WIPER FUSE WIPER SWITCH

1995 VFTC ACC RADIO FUSE ACCY ACCY BULB TEST LOCK OFF ALT, ECM-CRANK, TURN-B/U, TRANS AND INJ FUSES BATT BUS BATTERY BATTERY JUNCTION BLOCK BLK WIRE BLK/RED WIRE BODY BUILDER'S JUNCTION BLOCK BRAKE WARNING SYSTEM (WARNING SYSTEMS) BRN WIRE BULB TEST CLUTCH DAYTIME RUNNING LAMPS HORN RELAY DAYTIME RUNNING LAMPS RELAY DAYTIME RUNNING LAMPS MODULE DK GRN WIRE ECM-BAT FUSE ACC BUS EXHAUST GAS REGULATOR SOLENOID VALVE GENERATOR FUEL CYCLE MODULE FUEL PUMP RELAY, FUEL PUMP/ OIL PRESSURE SWITCH FUSE BLOCK FUSIBLE LINK A FUSIBLE LINK C FUSIBLE LINK D GAGES FUSE SHUNT GENERATOR GRY WIRE HAZARD FLASHER HEADLIGHT SWITCH ASSEMBLY HEATED OXYGEN SENSOR (VIN Z) HORN/DM FUSE HTR FUSE HTR BUS IGNITION SWITCH INSTR-LPS CRANK FUSE FUSE LINK B FUSIBLE LOCK LOCK OFF OFF ORG/ WIRE PARK BRAKE WARNING SWITCH PCM PNK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE PPL RED WIRE RELAY RUN WIRE SHUNT STARTER SOLENOID STOP- HZ FUSE STOPLAMP SWITCH SWITCH PANEL DIMMER SWITCH (INTERIOR LIGHTS SYSTEM) TAIL LPS FUSE TAN/WHT WIRE TRANSMISSION CONTROL MODULE W/ AUTO TRANS WHT WIRE WIPER FUSE WIPER MOTOR WIPER SWITCH WITH MANUAL TRANSMISSION ONLY

ACCY ACCY BULB TEST LOCK AUDIO ALARM MODULE AUTO APPLY PARK BRAKE AUX AUX CIRCUIT BREAKER AUXILIARY COOLING FAN RELAY BATTERY BATTERY JUNCTION BLOCK BLK WIRE BLK/RED WIRE BRAKE PRESSURE WARNING SWITCH BRN WIRE BRN/WHT WIRE BULB TEST DAYTIME RUNNING LAMPS AUXILIARY COOLING FAN RELAY DAYTIME RUNNING LAMPS MODULE DAYTIME RUNNING LAMPS RELAY DK GRN WIRE DOME LAMP ECM-BAT FUSE ACC-RADIO FUSE FROM PANEL DIMMER SWITCH ASSEMBLY (INTERIOR LIGHTS SYSTEM) FUEL PUMP OIL PRESSURE SWITCH FUEL PUMP RELAY POWERTRAIN CONTROL MODULE FUSE BLOCK FUSIBLE FUSIBLE LINK GAGES FUSE GENERATOR GRY WIRE HAZARD FLASHER HEADLIGHT SWITCH ASSEMBLY HORN RELAY HTR FUSE I/P CLUSTER IGNITION SWITCH INSTR-LPS LPS BUS FUSE LINK LOCK LOCK OFF OFF ORG/ WIRE PARK BRAKE WARNING SWITCH PCM PNK WIRE PNK/ WHT WIRE PPL PWR CIRCUIT BREAKER RED WIRE RELAY RUN WIRE SHUNT STARTER MOTOR STOP- HZ FUSE STOPLAMP SWITCH TAIL LPS FUSE HORN/DM FUSE TAN/WHT WIRE TO ALT, ECM-CRANK, TURN-B/U, TRANS, INJECTOR FUSES AND IGNITION COIL TRANSMISSION INSTRUMENT AUDIO POSITION CLUSTER ALARM INDICATOR MODULE LAMP WHT PNK/ WIRE WHT WIRE WIPER FUSE WIPER SWITCH