GMC Vandura P3500 (1985-1997) gauges fuse Wiring diagrams

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL PPL CLASS II DATA PNK IGNITION IN PNK IGNITION IN WIRE 2-3 SHIFT SOLENOID 3-2 SHIFT SOL 3-2 SHIFT SOLENOID A/C COMPRESSOR RELAY, GENERATOR PNK WIRE A/T INPUT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) A/T ISS SENS HI IN A/T ISS SENS LO IN ACCELERATOR PEDAL POSITION MODULE (ATTACHED TO ACCELERATOR PEDAL) ANTI-LOCK BRAKES APP 1 SIGNAL IN APP 3 SIGNAL IN AUTOMATIC TRANSMISSION BATTERY IN BLK WIRE BRN WIRE BRN/WHT WIRE BUSS BAR CRUISE CONTROL SYSTEMS DASH FUSE BLOCK DATA LINK CONNECTOR (PARTIAL) (BELOW DASH, NEAR STEERING COLUMN) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM 1 FUSE ECM BAT FUSE ECT SENSOR IN ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL INJECTORS (ENGINE CONTROLS) FUEL PUMP RELAY, SWITCH GAUGES FUSE GRY WIRE HAZARD LAMPS FLASHER (ABOVE STEERING COLUMN) HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I-3 FUSE INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MIL CONTROL ORG/ WIRE PCM GROUND PCS SOL HI OUT PCS SOL LO OUT PNK WIRE POWERTRAIN CONTROL MODULE (BEHIND LEFT SIDE OF DASH) PPL PPL APP 2 SIGNAL IN PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE SENSOR GROUND SERVICE ENGINE SOON INDICATOR STOP LAMPS, TORQUE CONVERTER BRAKE SWITCH STOP/ HAZ FUSE STOPLAMP SWITCH IN TFT SENSOR IN TRANS FLUID TEMP SENSOR TRANS FUSE TRANS RANGE "B" PNK TRANS RANGE "A" PPL BRAKE SWITCH IN WIRE TRANS RANGE "C" TRANS RANGE PRESSURE SWITCH ASSEMBLY VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (ABOVE ACCELERATOR PEDAL) VSS HI IN VSS LO IN VSS LO IN PPL SENSOR GROUND VSS OUT YEL WIRE YEL/BLK WIRE

2-3 SHIFT SOL A/T INPUT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) ANTI-LOCK BRAKES AUTOMATIC TRANSMISSION BLK WIRE BRN WIRE BRN/WHT WIRE BUSS BAR CRUISE CONTROL SYSTEMS DASH FUSE BLOCK DATA LINK CONNECTOR (PARTIAL) (BELOW DASH, NEAR STEERING COLUMN) DK BLU WIRE DK BLU/WHT WIRE ECM BAT FUSE ECM I FUSE ENGINE CONTROLS SYSTEMS ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL INJECTORS (ENGINE CONTROLS) FUEL PUMP RELAY GAUGES FUSE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START HOT IN RUN, BULB TEST OR START I-3 FUSE INSTRUMENT CLUSTER LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PNK IGNITION FEED WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF DASH) PPL PPL PNK WIRE PPL/WHT WIRE PRESSURE CONTROL SOL RANGE MODE SELECTOR RED WIRE RED/BLK WIRE RUN WIRE SERVICE ENGINE SOON INDICATOR STOP LAMPS, TORQUE CONVERTER BRAKE SWITCH SWITCH TAN WIRE TCC PWM SOL 1-2 SHIFT SOL THROTTLE POSITION SENSOR (ON SIDE OF THROTTLE BODY) TRANS FLUID TEMP SENSOR TRANS FUSE VEHICLE SPEED SENSOR (LEFT REAR SIDE OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (ABOVE ACCELERATOR PEDAL) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AUXILIARY COOLING FAN AUXILIARY COOLING FAN PRESSURE SWITCH (RIGHT SIDE OF ENGINE) AUXILIARY COOLING FAN RELAY (TOP LEFT SIDE OF SHIPPING PANEL) AUXILIARY COOLING FAN TEMPERATURE SWITCH (RIGHT SIDE OF ENGINE) BLK WIRE BLK/RED WIRE DK GRN WIRE FUSE BLOCK GAUGES FUSE HOT AT ALL TIMES FUSIBLE LINK HOT IN RUN PNK/WHT WIRE RED 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

ALL GASOLINE; DIESEL W/ A/T DIESEL W/ M/T 1 2 BLK WIRE BULB TEST DAYTIME RUNNING LAMPS MODULE (ATTACHED TO I/P HARNESS AT STEERING COLUMN) DAYTIME RUNNING LAMPS RELAY (LEFT INTERIOR BULKHEAD, ON RELAY BRACKET) DIODE NETWORK DK BLU WIRE DK GRN/WHT WIRE DRL INDICATOR FUSE BLOCK BREAKOUT) GAUGES FUSE GRN WIRE HEADLAMP DIMMER SWITCH HEADLAMPS SWITCH HI BEAM INDICATOR HI LO HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK IGNITION SWITCH INSTRUMENT CLUSTER LEFT HEAD- LAMP LO HI LOCK OFF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT LT ORG/ WIRE PARK BRAKE IN FOG LAMPS PARK BRAKE INDICATOR SWITCH (ON PARK BRAKE) PARK HEAD OFF PNK IGNITION LAMP FEED HI BM FEED HI BM INDICATOR DRL RELAY CTRL GROUND WIRE PNK WIRE RIGHT HEAD- LAMP RUN WIRE TAN 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 LT LT 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

29 30 VSS RTN VSS SIG 450 (A/T) ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COOLANT TEMPERATURE GAUGE CYLINDER HEAD) DIESEL DAYTIME RUNNING LAMPS CONTROL MODULE (NEAR STEERING COLUMN) DAYTIME RUNNING LIGHTS IND DIESEL DIODE NETWORK (15 CM FROM I/P FUSE BLOCK) DK BLU WIRE DK GRN WIRE ECM 1 FUSE ELECTRONIC BRAKE CONTROL MODULE (BELOW RADIATOR) ENG 1 FUSE ENGINE CONTROLS SYSTEM (DIESEL ONLY) ENGINE CONTROLS SYSTEM (GASOLINE ONLY) ENGINE COOLANT LEVEL SWITCH (DIESEL ONLY) (LOWER LEFT END OF SURGE TANK) ENGINE COOLANT TEMPERATURE GAUGE SENDER (LEFT SIDE OF ENGINE) ENGINE OIL PRESSURE GAUGE SENDER (TOP LEFT REAR OF ENGINE) FASTEN BELTS FUEL GAUGE FUEL PUMP SWITCH, ENGINE OIL PRESSURE GAUGE SENSOR (TOP LEFT REAR OF ENGINE) FUEL SENDER (TOP OF FUEL TANK) FUEL SENDER, FUEL PUMP (TOP OF FUEL TANK) GASOLINE GASOLINE DIESEL GASOLINE W/ A/T ONLY GAUGES FUSE GLOW PLUGS IND. (DIESEL) GRY WIRE HEADLIGHTS SYSTEM (W/ DRL) WARNING SYSTEM HI-BEAM IND HOT AT ALL TIMES HORN DM FUSE HOT IN RUN OR START I/P FUSE BLOCK I/P FUSE PANEL IGN IGN FEED IND CTRL GND IGNITION SWITCH ILLUMINATION LAMPS IND INSTRUMENT CLUSTER LEFT TURN IND LOCK OFF ON LOW COOLANT IND. (DIESEL) LOW FLOW LOW PRES. LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT LT PPL M/T A/T NCA WIRE OIL PRESSURE GAUGE P/B BOOSTER FLUID FLOW INDICATOR/ ALARM SWITCH PARK BRAKE IN PARK BRAKE IND PARK BRAKE INDICATOR SWITCH (PARK BRAKE SUPPORT BRACKET) PNK WIRE PPL PPL DIESEL PPL/WHT WIRE RESISTOR RIGHT TURN IND SERVICE BRAKE IND SERVICE ENGINE SOON IND SERVICE TRANSMISSION IND. SPEEDOMETER SW SENSE TAN WIRE TAN/WHT WIRE TRANSMISSION CONTROL MODULE (LEFT BULKHEAD) TWISTED PAIR VEHICLE CONTROL MODULE (ON LEFT RADIATOR SUPPORT) VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (DIESEL ONLY) (BEHIND LEFT SIDE OF I/P) VEHICLE SPEED SIG VOLTMETER VSS OUT VSS RTN GND IGN 150 (M/T) PNK WIRE VSS SIG VSS OUT W/ DRL W/ DRL HEADLIGHTS SYSTEM TRANSMISSIONS SYSTEM INTERIOR LIGHTS SYSTEM W/ W/O WATER IN FUEL IND. (DIESEL) WATER-IN-FUEL SENSOR (DIESEL ONLY) (REAR OF INTAKE MANIFOLD) WHT (OR LT GRN) WIRE WHT (OR WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

1995 VFTC ACCY ALT FUSE AUDIO ALARM MODULE CONVENIENCE CENTER BLK WIRE BRAKE IND BRAKE PRESSURE WARNING SWITCH (NEAR MASTER CYLINDER) BRAKE WARNING ALARM BUZZER MODULE (BRAKE WARNING HARNESS) BRN WIRE BRN/WHT WIRE BULB TEST COOLANT TEMP GAUGE DAYTIME RUNNING LAMPS MODULE (TOP RIGHT SIDE OF SHIPPING HARNESS) DAYTIME RUNNING LAMPS RELAY DAYTIME RUNNING LIGHTS IND DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/YEL WIRE ELECTRONIC DELAY MODULE (BRAKE WARNING HARNESS) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENDER (LEFT FRONT OF ENGINE) FLOW SWITCH (BRAKE BOOSTER) FUEL GAUGE FUEL PUMP OIL PRESSURE SWITCH, SENDER (TOP REAR OF ENGINE) FUEL PUMP, SENDER (IN FUEL TANK) FUSE BLOCK GAUGES FUSE GRY WIRE HEAD- LIGHTS SYSTEM HEADLIGHTS SYSTEM HI-BEAM IND HOT IN RUN OR START HOT IN RUN, BULB TEST OR START HYDRO-BOOST PRESSURE WARNING SWITCH (BRAKE WARNING HARNESS) I/P GROUND (AT LEFT SHIPPING PANEL) IGNITION SWITCH ILLUM. LAMPS INSTRUMENT CLUSTER LEFT TURN IND LOCK OFF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MAL- FUNCTION IND NCA WIRE OIL PRESS GAUGE PARK BRAKE IND PARK BRAKE WARNING SWITCH (PARK BRAKE PEDAL BRACKET) PNK PPL WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF I/P, BEHIND SHIPPING PANEL) PPL RESISTOR RIGHT TURN IND. SAFETY BELT IND. RUN WIRE SHUNT SPEED- OMETER TAN WIRE TAN/WHT WIRE VEHICLE SPEED SENSOR (REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (LEFT SIDE OF SHIPPING PANEL) VOLT- METER W/ DRL W/O DRL WHT WIRE YEL WIRE

BLK WIRE DASH LAMPS GROUND POWER (BATTERY) SEAT BELT INPUT FASTEN BELTS LAMP GAS DIESEL GAUGES FUSE GRY WIRE HORN- DM FUSE HOT AT ALL TIMES HOT IN PARK OR HEAD HOT IN RUN OR START I/P FUSE BLOCK INSTRUMENT CLUSTER INSTRUMENT LPS FUSE ORG/ WIRE PNK POWER (IGNITION) WIRE PNK WIRE SEAT BELT LAMP OUTPUT SEAT BELT/LAMPS ALARM (I/P FUSE BLOCK) YEL WIRE

AUDIO ALARM MODULE BLK WIRE FASTEN BELTS INDICATOR FUSE BLOCK GAUGES FUSE GRY WIRE HORN/DM FUSE HOT AT ALL TIMES HOT IN RUN OR START HOT WITH HEADLIGHT SWITCH IN PARK OR HEAD INSTR LPS FUSE INSTRUMENT CLUSTER ORG/ WIRE PNK/BLK WIRE YEL WIRE