GMC Vandura G3500 (1985-1996) ignition switch Wiring diagrams

ACCY BATTERY BATTERY STUD IGN A MAXIFUSE BLK WIRE BULB TEST FUSIBLE LINK (10 GA-RUST) G117 (EX. 4.3L) G119 (4.3L) HOLD- IN COIL IGNITION SWITCH LOCK OFF NCA WIRE PARK/ NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) POWER DISTRIBUTION SYSTEM PPL PULL- IN COIL RED WIRE RUN WIRE STARTER MOTOR STARTER RELAY STARTER SOLENOID UNDERHOOD FUSE-RELAY CENTER YEL WIRE

AUXILIARY BATTERY (6.5L VIN F) AUXILIARY ENGINE COOLING FAN MOTOR (7.4L VIN J) AUXILIARY POWER OUTLET BATTERY BLK WIRE BLK/WHT WIRE CIGARETTE LIGHTER ASHTRAY LAMP CONVENIENCE CENTER CONVENIENCE CENTER (LEFT SIDE OF I/P) DATA LINK CONNECTOR DAYTIME RUNNING LAMP CONTROL MODULE DAYTIME RUNNING LAMPS RELAY FROM LEFT FRONT POWER DOOR LOCK SWITCH FROM RIGHT FRONT POWER SIDE WINDOW SWITCH HEADLAMP SWITCH HEATER AND A/C CONTROLLER I/P COMPARTMENT LAMP I/P RELAY CENTER IGNITION SWITCH ILLUMINATED ENTRY MODULE INSTRUMENT CLUSTER LEFT FRONT PARK AND TURN SIGNAL LAMP (INNER) (W/ COMPOSITE HEADLAMPS) LEFT FRONT PARK AND TURN SIGNAL LAMP (OUTER) (W/ COMPOSITE HEADLAMPS) LEFT FRONT PARK AND TURN SIGNAL LAMP (W/ SEALED BEAM HEADLAMPS) LEFT FRONT SIDE MARKER LAMP LEFT HEADLAMP (W/ SEALED BEAM HEADLAMPS) LEFT HIGH BEAM HEADLAMP (W/ COMPOSITE HEADLAMPS) LEFT LOW BEAM HEADLAMP (W/ COMPOSITE HEADLAMPS) LEFT POWER SEAT SWITCH UPFITTER PROVISIONS RELAY LEFT SUN SHADE MIRROR LAMP LOW ENGINE COOLANT LEVEL INDICATOR MODULE (6.5L VIN F) LOW ENGINE COOLANT LEVEL INDICATOR SENSOR (6.5L VIN F, 7.4L VIN J) MULTI-FUNCTION ALARM MODULE NCA WIRE OF ENGINE COMPT) POWER ANTENNA ASSEMBLY POWER DOOR LOCK CONTROL MODULE POWER DOOR LOCK RELAY PROVISIONS) (RIGHT KICK PANEL) RADIO REMOTE CONTROL DOOR LOCK RECEIVER RIGHT FRONT RIGHT FRONT PARK AND TURN SIGNAL LAMP (INNER) (W/ COMPOSITE HEADLAMPS) RIGHT FRONT PARK AND TURN SIGNAL LAMP (OUTER) (W/ COMPOSITE HEADLAMPS) RIGHT FRONT PARK AND TURN SIGNAL LAMP (W/ SEALED BEAM HEADLAMPS) RIGHT FRONT SIDE MARKER LAMP RIGHT HEADLAMP (W/ SEALED BEAM HEADLAMPS) RIGHT HIGH BEAM HEADLAMP (W/ COMPOSITE HEADLAMPS) RIGHT LOW BEAM HEADLAMP (W/ COMPOSITE HEADLAMPS) SEAT BELT SWITCH SIDE DOOR JAMB SWITCH (W/ UPFITTER PROVISIONS) STEERING COLUMN GROUND A/T SHIFT LOCK SOLENOID TEMPERATURE VALVE ACTUATOR MOTOR W/ UPFITTER PROVISIONS WINDSHIELD WASHER PUMP MOTOR WINDSHIELD WIPER MOTOR

1996 VFTC BLK WIRE BULB TEST DIODE ARRAY DK BLU WIRE DRL FUSE 15 DRL INDICATOR GAUGES FUSE 4 GROUND HEAD HEAD- LAMP DIMMER SWITCH HEADLAMP SWITCH HI BEAM INDICATOR HI BM FEED HI BM INDICATOR DRL RELAY CTRL HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK IGNITION SWITCH INLINE DIODE 201 (I/P HARNESS UNDER LEFT SIDE OF I/P) INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT HI BEAM HEAD- LAMP LEFT LO BEAM HEADLAMP LIGHTING MAXI FUSE LOCK OFF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE OFF PARK ORG/ WIRE PARK BRAKE WARNING SWITCH (ON PARK BRAKE) PNK IGNITION LAMP FEED WIRE PNK WIRE RED WIRE RIGHT HI BEAM HEAD- LAMP RIGHT LO BEAM HEAD- LAMP RUN WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE-RELAY CENTER (ENGINE COMPARTMENT, LEFT FENDER) WHT WIRE YEL WIRE

BLK WIRE BULB TEST DIODE ARRAY DK BLU WIRE DRL FUSE 15 DRL INDICATOR GAUGES FUSE 4 GRN WIRE GROUND HEAD HEAD- LAMP DIMMER SWITCH HEADLAMP SWITCH HI BEAM INDICATOR HI BM FEED HI BM INDICATOR DRL RELAY CTRL HI LO HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK IGNITION SWITCH INLINE DIODE 201 (I/P HARNESS UNDER LEFT SIDE OF I/P) INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT HEAD- LAMP LIGHTING MAXI FUSE LOCK OFF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE OFF PARK ORG/ WIRE PARK BRAKE WARNING SWITCH (ON PARK BRAKE) PNK IGNITION LAMP FEED WIRE PNK WIRE RED WIRE RIGHT HEAD- LAMP RUN WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE-RELAY CENTER (ENGINE COMPARTMENT, LEFT FENDER) WHT WIRE YEL WIRE

AIR BAG IND ANTI-LOCK BRAKES SYSTEM ENGINE CONTROLS SYSTEM ANTI-LOCK BRAKES WARNING IND BAT IND BLK WIRE BLK/WHT WIRE BRAKE IND IN PARK BRAKE IN BRAKE PRESSURE DIFFERENTIAL SWITCH (PART OF ELECTRONIC BRAKE CONTROL MODULE) BRAKE WARNING IND BRN WIRE BRN/WHT WIRE CHECK GAUGES IND CHECK GAUGES LAMP DRIVER DIESEL ONLY EXTERIOR LIGHTS SYSTEM DIODE DIODE-I DK BLU WIRE DK GRN WIRE DRL LAMP IND (W/ DRL) FUEL GAUGE GAUGES FUSE 4 GRY WIRE HEADLIGHTS SYSTEM HIGH BEAM IND HOT IN RUN OR START I/P FUSE BLOCK (BEHIND LEFT SIDE OF I/P) IGNITION SWITCH ILLUMIN- ATION LAMPS INSTRUMENT CLUSTER LEFT TURN IND LOCK LOW COOLANT IND. (DIESEL) LOW ENGINE COOLANT LEVEL INDICATOR MODULE (DIESEL ONLY) (LEFT SIDE OF I/P) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF OIL PRESS GAUGE PARK/NEUTRAL POSITION, BACKUP LAMP SWITCH (LEFT SIDE OF TRANSMISSION) PNK 1 2 3 WIRE PNK IGN FEED IND CTRL GND WIRE PNK WIRE PPL PPL/WHT WIRE PRNDL CIRCUIT BOARD RIGHT TURN IND RUN WIRE SAFETY BELT IND SERVICE ENGINE SOON IND SERVICE THROTTLE SOON IND (DIESEL) SOLID STATE SPEEDOMETER/ ODOMETER STARTING/CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TAN WIRE TAN/WHT WIRE TEMP GAUGE UNDERHOOD FUSE-RELAY CENTER (LEFT FENDER) UNDERHOOD FUSE-RELAY CENTER (LEFT FENDER) ENG-I MINI FUSE VOLT- METER W/ DRL W/ DRL ONLY W/O DRL W/O DRL W/ DRL WAIT IND (DIESEL) WARNING SYSTEM ENGINE CONTROLS SYSTEM DIESEL ONLY WATER IN FUEL IND. (DIESEL) WATER-IN-FUEL SENSOR (DIESEL ONLY) (REAR OF INTAKE MANIFOLD) WHT (OR LT GRN) WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

ABS MAXI- FUSE AUX-A MAXI- FUSE AUX-B MAXI- FUSE HVAC MAXI- FUSE AUXILIARY BATTERY AUXILIARY BLOWER MOTOR HIGH SPEED RELAY AUXILIARY BLOWER MOTOR LOW SPEED RELAY AUXILIARY BLOWER MOTOR LOW SPEED RELAY AUXILIARY BLOWER MOTOR MEDIUM SPEED RELAY AUXILIARY BLOWER MOTOR MEDIUM SPEED RELAY BATTERY BATTERY JUNCTION BLOCK BLK WIRE BLOWER MOTOR BRAKE FUSE 18 BRN WIRE CONVENIENCE CENTER CRUISE CONTROL MODULE (GASOLINE) CRUISE CONTROL SWITCH CRUISE FUSE 6 DIESEL FUSIBLE LINK (10 GA-RUST) GASOLINE GENERATOR GLOW PLUG CONTROLLER HEATER AND A/C CONTROL LOGIC MODULE HEATER AND A/C CONTROLLER HTR A/C FUSE 12 I/P FUSE BLOCK IGN A MAXI FUSE IGN B MAXI FUSE IGNITION SWITCH INLINE FUSE LEFT POWER SIDE WINDOW SWITCH RIGHT POWER SIDE WINDOW SWITCH LOCK LOCK ELECTRONIC BRAKE CONTROL MODULE LOCK OFF LOCK OFF OFF NCA WIRE OFF ORG/ WIRE P/B BOOSTER FLUID FLOW ALARM PARK/ NEUTRAL POSITION SWITCH PNK WIRE PWR WDO CB B WIPER FUSE 12 RADIO RADIO 1 FUSE 17 REAR AUXILIARY HVAC CONTROL MODULE FRONT AUXILIARY HVAC CONTROL MODULE REAR AUXILIARY TEMPERATURE VALVE ASSEMBLY RED WIRE RESISTOR WINDSHIELD WASHER/ WIPER SWITCH FROM FUSE ABOVE RR BLOWER MINI FUSE RR HVAC FUSE 24 RUN WIRE STARTER RELAY STARTER SOLENOID TCC/ STOPLAMP SWITCH ELECTRONIC BRAKE CONTROL MODULE TO I/P FUSE BLOCK TO UNDERHOOD FUSE-RELAY CENTER TO UPFITTER PROVISION RELAY BELOW TRAILER WIRING PROVISION UNDERHOOD FUSE-RELAY CENTER UPFITTER PROVISION CONNECTOR UPFITTER PROVISION RELAY (BEHIND LEFT B PILLAR) VEHICLE CONTROL MODULE (GASOLINE) TEMPERATURE VALVE ACTUATOR MOTOR W/ UPFITTER PROVISIONS WARNING WHT WIRE WINDSHIELD WIPER MOTOR CONVENIENCE CENTER YEL WIRE

* W/ SCHOOL BUS EQUIPMENT) 1995 VFTC ACCY BATTERY JUNCTION BLOCK BLK WIRE BULB TEST CLUTCH START SWITCH (ON CLUTCH PEDAL SUPPORT BRACKET) FUSIBLE LINK (16 GA-RUST) FUSIBLE LINK E (10 GA-RUST) GENERATOR (FRONT OF ENGINE) BAT HOLD-IN WINDING PULL-IN WINDING IGNITION SWITCH LOCK OFF PPL PPL A/T M/T PPL/WHT WIRE RED WIRE RIGHT (OR FRONT ) BATTERY RUN WIRE STARTER MOTOR STARTER RELAY (LOWER LEFT SIDE OF ENGINE) STARTER SOLENOID SOLENOID CONTACTS

1995 VFTC ACCY BATTERY BATTERY JUNCTION BLOCK BLK WIRE BULB TEST CLUTCH START SWITCH (ON CLUTCH PEDAL SUPPORT BRACKET) FUSIBLE LINK B (14 GA. RUST) HEAD HOLD-IN WINDING PULL-IN WINDING IGNITION SWITCH LOCK OFF PPL PPL A/T M/T RED WIRE RUN WIRE SOLENOID CONTACTS STARTER MOTOR STARTER SOLENOID

1995 VFTC ACCY BATTERY BATTERY JUNCTION BLOCK BLK WIRE BLK/RED WIRE BULB TEST FUSIBLE LINK (16 GA-RUST) HOLD-IN WINDING IGNITION SWITCH LOCK OFF POWER DISTRIBUTION PPL PULL-IN WINDING RED WIRE RUN WIRE SOLENOID CONTACTS STARTER MOTOR STARTER SOLENOID

** (RIGHT FRAME RAIL, NEAR BATTERY) 1995 VFTC ACCY BATTERY BATTERY JUNCTION BLOCK BLK WIRE BULB TEST FUSIBLE LINK (10 GA-RUST) FUSIBLE LINK (14 GA. RUST) GENERATOR (FRONT OF ENGINE) BAT HOLD-IN WINDING IGNITION SWITCH LOCK OFF PPL PULL-IN WINDING RED WIRE RED/BLK WIRE RUN WIRE STARTER MOTOR STARTER SOLENOID SOLENOID CONTACTS