GMC Vandura P3500 (1985-1997) org/ Wiring diagrams

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID A/T INPUT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) A/T ISS HI IN A/T ISS LO IN ACCESSORY POWER POINT AUTOMATIC TRANSMISSION BATTERY IN BLK WIRE BLK/WHT WIRE BRAKE SWITCH INPUT BRN WIRE BRN/WHT WIRE DASH FUSE BLOCK TRANS FUSE DATA CLASS II DK BLU WIRE DK BLU/WHT WIRE ECM BATT FUSE ECM I FUSE ECT SENS INPUT ELECTRONIC BRAKE CONTROL MODULE ENG 1 FUSE ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL INJECTORS (ENIGINE CONTROLS SYSYTEM) FUEL PUMP RELAY, FUEL PUMP SWITCH/ENGINE OIL PRESSURE GAUGE SENSOR GAUGES FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I-3 FUSE IGNITION IN INSTRUMENT CLUSTER 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 PPL PPL DATA LINK CONNECTOR (PARTIAL) (BELOW DASH NEAR STEERING COLUMN) PPL/WHT WIRE PRESS CTRL SOLENOID RANGE SIGNAL "A" RANGE SIGNAL "B" RANGE SIGNAL "C" RED WIRE RED/BLK WIRE SENSOR GROUND SENSOR RETURN SERVICE ENGINE SOON INDICATOR TCC PWM SOL TCC PWM SOLENOID TCC/STOP- LAMP SWITCH (ON BRAKE PEDAL BRACKET) THROTTLE POSITION SENSOR (MOUNTED TO SIDE OF THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS RANGE PRESSURE SWITCH ASSEMBLY TRANS TEMP SIG IN VEHICLE CONTROL MODULE (LEFT FRONT CORNER OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS HI VSS LO VSS SENSOR SHIELD YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID A/T INPUT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) A/T ISS HI IN A/T ISS LO IN ACCESSORY POWER POINT AUTOMATIC TRANSMISSION BATTERY IN BLK WIRE BLK/WHT WIRE BRAKE SWITCH INPUT BRN WIRE BRN/WHT WIRE DASH FUSE BLOCK TRANS FUSE DATA CLASS II DK BLU WIRE DK BLU/WHT WIRE ECM BATT FUSE ECM I FUSE ECT SENS INPUT ELECTRONIC BRAKE CONTROL MODULE ENG 1 FUSE ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL INJECTORS (ENIGINE CONTROLS SYSYTEM) FUEL PUMP RELAY, FUEL PUMP SWITCH/ENGINE OIL PRESSURE GAUGE SENSOR GAUGES FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I-3 FUSE IGNITION IN INSTRUMENT CLUSTER 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 PPL PPL DATA LINK CONNECTOR (PARTIAL) (BELOW DASH NEAR STEERING COLUMN) PPL/WHT WIRE PRESS CTRL SOLENOID RANGE SIGNAL "A" RANGE SIGNAL "B" RANGE SIGNAL "C" RED WIRE RED/BLK WIRE SENSOR GROUND SENSOR RETURN SERVICE ENGINE SOON INDICATOR TCC PWM SOL TCC PWM SOLENOID TCC/STOP- LAMP SWITCH (ON BRAKE PEDAL BRACKET) THROTTLE POSITION SENSOR (MOUNTED TO SIDE OF THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS RANGE PRESSURE SWITCH ASSEMBLY TRANS TEMP SIG IN VEHICLE CONTROL MODULE (LEFT FRONT CORNER OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS HI VSS LO VSS SENSOR SHIELD YEL WIRE YEL/BLK WIRE

1995 VFTC BLK WIRE DK GRN WIRE HORN RELAY HORN SWITCH HOT AT ALL TIMES HORN/DM FUSE I/P FUSE BLOCK LEFT HORN (LOW TONE A-NOTE) (BODY BUILDER INSTALLED) ORG/ WIRE RIGHT HORN STEERING WHEEL)

1995 VFTC BLK WIRE BODY BUILDER CONNECTOR (PARTIAL) DK GRN WIRE HORN RELAY HORN SWITCH HOT AT ALL TIMES HORN/DM FUSE I/P FUSE BLOCK LEFT HORN (BODY BUILDER INSTALLED) ORG/ WIRE RIGHT HORN STEERING WHEEL)

A/C COMPRESSOR CLUTCH RELAY ACCESSORY JUNCTION BLOCK (LEFT INTERIOR BULKHEAD, NEAR RELAY BRACKET) AUXILIARY ENGINE COOLANT FAN RELAY (DIESEL ONLY) BATT BUS BATTERY BATTERY JUNCTION BLOCK (LEFT SIDE OF ENGINE BULKHEAD, ABOVE RELAY BRACKET) BLK WIRE DATA LINK CONNECTOR (DLC) DIESEL DOME LAMP (PROVISIONS FOR) ECM BAT FUSE ENG-BAT FUSE FUEL PUMP RELAY FUEL PUMP SWITCH, ENGINE OIL PRESSURE GAUGE SENSOR FUSIBLE LINK (10 GA-RUST) FUSIBLE LINK (16 GA- FUSIBLE LINK 12 GA. BLUE FUSIBLE LINK 18 GA. BLUE FUSIBLE LINK 18 GA. RUST GAS GENERATOR GLOW PLUG CONTROL SWITCH (DIESEL ONLY) GRY WIRE HAZARD WARNING LAMPS FLASHER HEADLAMPS SWITCH HORN RELAY HORN/ DM FUSE TAIL LPS FUSE I/P FUSE BLOCK (DASH PANEL PROVIDED BY BODY BUILDER) ORG/ WIRE OTHERS PWR BUS PWR FUSE RED WIRE REMOTE BATTERY ACCESS TERMINAL BLOCK (REAR OF RIGHT RADIATOR CORE SUPPORT PANEL) SEAT BELT/ LAMPS ALARM SECONDARY BATTERY (DIESEL ONLY) STARTER RELAY STARTER SOLENOID (AT STARTER, LOWER RIGHT SIDE OF ENGINE) STOP/ HAZ FUSE STUD TO IGNITION SWITCH (DIAGRAM 2 OF 4) TORQUE CONVERTER CLUTCH, STOPLAMPS SWITCH TRANSMISSION CONTROL MODULE (A/T ONLY) VEHICLE CONTROL MODULE (VCM) W/DELUXE SCHOOL BUS

A/T ACC BUS AUTOMATIC TRANSMISSION (A/T) BRN WIRE CLUTCH PEDAL POSITION (CPP) SWITCH CRK (START) LOCK ON (RUN) OFF CRK (START) ON (RUN) LOCK OFF CRK (START) ON (RUN) OFF DIESEL DK BLU WIRE ENG 1 FUSE EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID VALVE EXHAUST GAS RECIRCULATION (EGR) VALVE FROM FUSIBLE LINK FUEL HEATER GAS GLOW PLUG CONTROL SWITCH HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR CAMSHAFT POSITION (CMP) SENSOR I/P FUSE BLOCK (DASH PANEL PROVIDED BY BODY BUILDER) IGNITION SWITCH LEFT POST CONVERTER (5.7L VIN R LEFT PRE- CONVERTER LOCK M/T MASS AIR FLOW (MAF SENSOR) NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION (PNP), BACKUP LAMPS SWITCH PNK (ENGINE HARNESS, APPROX 5 CM FROM RIGHT GLOWPLUG BREAKOUT) WIRE PNK PNK WIRE PNK WIRE POST CONVERTER (4.3L VIN W PROVISIONS WINDSHIELD WASHER MOTOR RADIO FUSE RED WIRE RIGHT POST CONVERTER (5.7L VIN R RIGHT PRE- CONVERTER TO I/P FUSE BLOCK (DIAGRAM 4 OF 4) TRANS FUSE VEHICLE CONTROL MODULE (VCM) WATER- IN-FUEL INDICATOR SENSOR AUXILIARY ENGINE COOLANT FAN RELAY WHT WIRE WINDSHIELD WIPER/ WASHER SWITCH WIPER FUSE YEL WIRE

1996 VFTC 6.5L VIN Y A/C COMPRESSOR CLUTCH RELAY A/T AUX FUSE BACK UP LAMPS SWITCH BRN WIRE CANADIAN MODELS ONLY DAYTIME RUNNING LAMP (DRL) RELAY DAYTIME RUNNING LAMPS (DRL) CONTROL MODULE DIESEL DK GRN WIRE ECM 1 FUSE ELECTRONIC BRAKE CONTROL MODULE FROM IGNITION SWITCH (DIAGRAM 2 OF 4) FUEL INJECTION PUMP FUEL SHUT-OFF SOLENOID VEHICLE SPEED SENSOR (VSS) BUFFER GAS GAUGES FUSE GENERATOR GENERATOR GRY WIRE HOT IN RUN OR START HTR BUS HTR FUSE I-3 FUSE I/P FUSE BLOCK (DASH PANEL PROVIDED BY BODY BUILDER) IGN BUS INSTR LPS FUSE INSTRUMENT CLUSTER INTERIOR LIGHTS SYSTEM (I/P LAMPS DIMMER SWITCH) M/T NCA WIRE ORG/ WIRE OTHERS P/B BOOSTER FLUID FLOW ALARM PARK/ NEUTRAL POSITION (PNP), BACKUP LAMPS SWITCH PNK (ENGINE HARNESS, APPROX 26 CM FROM BULKHEAD GROMMET) WIRE PNK PNK WIRE PNK WIRE SEAT BELT ALARM INSTRUMENT CLUSTER THIS CAN PLUG INTO TORQUE CONVERTER CLUTCH (TCC), STOP LAMPS SWITCH TRANSMISSION CONTROL MODULE (TCM) TURN SIGNAL FLASHER TURN-B/U FUSE VEHICLE CONTROL MODULE (VCM) VEHICLE SPEED SENSOR (VSS) BUFFER FUEL INJECTION PUMP FUEL SHUT-OFF SOLENOID W/BRAKE WARNING INDICATOR SYSTEM

6.5L VIN F 6.5L VIN F 7.4L VIN J 7.4L VIN J (L29), 6.5L VIN F (L65) ENGINES ONLY 7.4L VIN N A/C COMPRESSOR CONTROL RELAY AUDIO ALARM AUXILIARY FAN CONTROL RELAY BATTERY BATTERY JUNCTION BLOCK (ON FORWARD LEFT SIDE OF THE BULKHEAD) BLANK FUSE BLK WIRE BUSS BAR DATA LINK CONNECTOR (DLC) DIESEL DOME LAMP ELECTRONIC BRAKE CONTROL MODULE ENG-BAT FUSE FUEL PUMP RELAY FUEL PUMP SWITCH AND OIL PRESSURE GAUGE FUSIBLE LINK FUSIBLE LINK (10 GA- FUSIBLE LINK (10 GA-RUST) FUSIBLE LINK (14 GA- FUSIBLE LINK (16 GA- FUSIBLE LINK 12 GA. BLUE FUSIBLE LINK 18 GA. BLUE GENERATOR (ON RIGHT FRONT OF ENGINE) GLOW PLUG CONTROLLER AND RELAY GRY WIRE HAZARD FLASHER HEADLAMPS SWITCH HORN RELAY HORN- DM FUSE I/P FUSE BLOCK (MOUNTED ON THE I/P) IGNITION SWITCH (DIAGRAM 2 OF 4) ONLY ORG/ WIRE PARK BRAKE PUMP RELAY POWERTRAIN CONTROL MODULE (PCM) POWERTRAIN CONTROL MODULE (PCM) VEHICLE CONTROL MODULE (VCM) PWR CIRCUIT BREAKER RED WIRE SECONDARY BATTERY (DIESEL ONLY) STARTER MOTOR (ON RIGHT REAR SIDE OF ENGINE) STARTER RELAY STOP- HAZ FUSE ECM- BAT FUSE STOPLAMP SWITCH TAIL LAMPS FUSE

7.4L VIN J (L29) ENGINE, 7.4L VIN N (L19) ENGINE 7.4L VIN J, 6.5L VIN F ENGINES AUXILIARY FAN CONTROL RELAY BRN WIRE CAMSHAFT POSITION SENSOR (7.4L VIN J DK BLU WIRE ECM-1 FUSE,, GAUGES FUSE ENG-1 FUSE TRANS FUSE ENGINE ENGINE HARNESS, 10 CM FROM BREAKOUT FOR IGNITION COIL) EVAPORATIVE EMISSIONS CANISTER PURGE VALVE SOLENOID (7.4L VIN J FROM FUSIBLE LINK (DIAGRAM 1 OF 4) FUEL HEATER (6.5L VIN F ENGINE) GLOW PLUG CONTROLLER RELAY (6.5L VIN F ENGINE) HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 I/P FUSE BLOCK (MOUNTED ON I/P FUSE BLOCK) CRANK FUSE I/P FUSE BLOCK (MOUNTED ON THE I/P) IGNITION COIL (7.4L VIN N ENGINE) IGNITION SWITCH LOCK OFF MASS AIR FLOW SENSOR (7.4L VIN J ENGINE) NCA WIRE ORG/ WIRE PNK PNK WIRE PNK WIRE PPL RADIO FUSE RED WIRE RUN WIRE STARTER MOTOR VEHICLE CONTROL MODULE EXHAUST GAS RECIRCULATION VALVE SOLENOID WATER IN-FUEL INDICATOR SENSOR (6.5L VIN F ENGINE) WHT WIRE WIPER FUSE WIPER MOTOR YEL WIRE

1996 VFTC 6.5L VIN F PNK ONLY WIRE 7.4L VIN J, 6.5L VIN F (L65) ENGINES ONLY PNK WIRE 7.4L VIN N A/C COMPRESSOR RELAY AUTO APPLY PARK BRAKE SWITCH AUX CIRCUIT BREAKER BRN WIRE BUSS BAR C1 (7.4L VIN N) CANADIAN MODELS CRUISE CONTROL MODULE CRUISE CONTROL SWITCH DAYTIME RUNNING LAMPS CONTROL MODULE DAYTIME RUNNING LAMPS CONTROL RELAY DK GRN WIRE ENGINE FROM IGNITION SWITCH (DIAGRAM 2 OF 4) GAUGES FUSE GENERATOR GRY WIRE HOT IN RUN OR START HTR FUSE I-3 FUSE I/P AUXILIARY FUSE BLOCK (MOUNTED ON THE I/P FUSE BLOCK) AUTO APPLY FUSE I/P FUSE BLOCK (MOUNTED ON THE I/P) INSTR LPS FUSE INSTRUMENT CLUSTER INTERIOR LIGHTS SYSTEM (INSTRUMENT PANEL DIMMER SWITCH) NCA WIRE ORG/ WIRE PARK BRAKE LOW PRESSURE SWITCH PARK/NEUTRAL POSITION (PNP), BACKUP SWITCH PNK PNK WIRE PNK WIRE PPL SEATBELTS/ LAMPS ALARM MODULE (ENGINE HARNESS, 52-58 CM FROM BULKHEAD GROMMET) STOPLAMP TORQUE CONVERTER CLUTCH SWITCH TURBO CHARGER POWER VALVE SOLENOID TURN SIGNAL FLASHER TURN SIGNAL SWITCH TURN-B/U FUSE VEHICLE CONTROL MODULE (VCM)