GMC Vandura G2500 (1985-1995) ecm-crnk fuse Wiring diagrams

1-2 SHIFT SOL 2-3 SHIFT SOL ALT FUSE BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (BELOW LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE ECM BAT FUSE ECM-CRNK FUSE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP FRONT OF ENGINE) GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT SIDE OF DRIVER'S ISLAND) PPL PPL PNK WIRE PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SERVICE ENGINE SOON SPEED SENSOR (LEFT REAR SIDE OF TRANSMISSION) TAN WIRE TCC PWM SOL TCC/BRAKE SWITCH (ON BRAKE PEDAL BRACKET) THROTTLE POSITION SENSOR (RIGHT SIDE OF TBI) TRANS FLUID TEMP (TFT) SENSOR TRANS FUSE TRANSMISSION TRANSMISSION INPUT SHAFT SPEED SENSOR (FRONT OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 2-3 SHIFT SOL 3-2 SHIFT SOL ACCELERATOR PEDAL POSITION (APP) MODULE (TOP OF ACCEL- ERATOR BRACKET) ALT FUSE APP #3 APP #3 SENSOR SIG APP 1 APP 2 BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (BELOW LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE ECM BAT FUSE ECM-CRNK FUSE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (LEFT LOWER FRONT OF ENGINE BLOCK) FUSE BLOCK GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START IGNITION FEED DIAGNOSTIC REQUEST INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF DRIVER'S ISLAND) PPL PPL TCC/BRAKE SW PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SERVICE ENGINE SOON SPEED SENSOR (LEFT REAR SIDE OF TRANSMISSION) STOP/HAZ FUSE TAN WIRE TCC/STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TRANS FLUID TEMP (TFT) SENSOR TRANS FUSE TRANS INPUT SPD SIG LO TRANSMISSION TRANSMISSION INPUT SPEED SENSOR (FRONT OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER WHT DK GRN/ WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 2-3 SHIFT SOL ALT FUSE BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (BELOW LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE ECM BAT FUSE ECM-CRNK FUSE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP FRONT OF ENGINE) GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT SIDE OF DRIVER'S ISLAND) PPL PPL PNK WIRE PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SERVICE ENGINE SOON SPEED SENSOR (LEFT REAR SIDE OF TRANSMISSION) TAN WIRE TCC PWM SOL TCC/BRAKE SWITCH (ON BRAKE PEDAL BRACKET) THROTTLE POSITION SENSOR (RIGHT SIDE OF TBI) TRANS FLUID TEMP (TFT) SENSOR TRANS FUSE TRANSMISSION TRANSMISSION INPUT SHAFT SPEED SENSOR (FRONT OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1995 VFTC 4.3L, 7.4L ONLY 5.7L, 6.5L ONLY ACCY ALT FUSE AUTO APPLY PARK BRAKE BLK WIRE BLK/ORG WIRE BRAKE PRESSURE WARNING SWITCH (REAR OF ENGINE COMPT) BRN/WHT WIRE BULB TEST COOLANT TEMP GAUGE DAYTIME RUNNING LAMPS MODULE DAYTIME RUNNING LIGHTS IND DIESEL DIESEL ONLY DK BLU (OR BRN) WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/BLK WIRE ECM-CRNK FUSE ENGINE CONTROLS OR TRANSMISSIONS SYSTEM ENGINE COOLANT LEVEL INDICATOR MODULE ENGINE COOLANT LEVEL INDICATOR PROBE (IN RADIATOR) (FRONT OF ENGINE) ENGINE COOLANT TEMPERATURE SENDER (LEFT SIDE OF ENGINE) FASTEN BELTS IND. FUEL GAUGE FUEL PUMP, SENDER (IN FUEL TANK) FUEL PUMP/ OIL PRESSURE SWITCH, SENDER (LEFT SIDE OF ENGINE) FUSE BLOCK FUSIBLE LINK GAUGES FUSE GLOW PLUG CONTROLLER (REAR OF ENGINE) GLOW PLUGS IND. (DIESEL) GRY WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HI-BEAM IND HOT IN RUN HOT IN RUN, BULB TEST OR START I/P GROUND (IN I/P HARNESS) IGNITION SWITCH ILLUM. LAMPS INSTRUMENT CLUSTER LEFT TURN IND LOW COOLANT IND. (DIESEL) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MAL- FUNCTION IND OFF OIL PRESS GAUGE ORG/ WIRE PARK BRAKE IND PARK BRAKE WARNING SWITCH (PARK BRAKE SUPPORT BRACKET) PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF SHIPPING PANEL) RIGHT FRAME RAIL) RIGHT TURN IND RUN WIRE SERVICE BRAKES IND. SERVICE TRANS- MISSION IND. SPEED- OMETER TAN WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM VEHICLE SPEED SENSOR (REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (BEHIND RIGHT SIDE OF I/P) VOLT- METER W/ DRL W/ DRL LOCK W/O DRL WARNING SYSTEMS WATER IN FUEL IND. (DIESEL) WATER-IN-FUEL SENSOR (DIESEL ONLY) (REAR OF ENGINE) WHT WIRE YEL WIRE YEL/BLK WIRE

1995 VFTC ALT FUSE AUDIO ALARM MODULE BACKUP LAMP SWITCH CONVENIENCE CENTER CRUISE CONTROL ACTIVATOR CRUISE CONTROL BRAKE SWITCH CRUISE CONTROL MODULE DK BLU WIRE ECM-CRNK FUSE ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION EVAPORATIVE CANISTER PURGE SOLENOID FUSE BLOCK GENERATOR IDLE SPEED CONTROL ACTUATOR IGNITION COIL IGNITION SWITCH INJ FUSE INJECTOR 1 INJECTOR 2 INSTRUMENT CLUSTER LINEAR EGR SOLENOID VALVE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) RED WIRE TCC/ STOPLAMP SWITCH TRANS FUSE TURN SIGNAL FLASHER TURN-B/U FUSE VEHICLE SPEED SENSOR BUFFER WHT WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (BEHIND LEFT SIDE OF SHIPPING PANEL) DIAGNOSIS TEST TP SIGNAL INJECTOR 1 CTRL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BAT FUSE ECM-CRNK FUSE ECT SIGNAL EGR CONTROL ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) ENGINE GROUND FUEL PUMP RELAY CTRL FUEL PUMP SIGNAL MAP SIGNAL FUSE BLOCK GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START IC BYPASS TP/ECT GROUND MAP GROUND IC SIGNAL VSS SIGNAL VSS TP REFERENCE IDLE AIR CONTROL ACTUATOR (TOP REAR OF ENGINE) INJ FUSE KNOCK SENSOR SIGNAL LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) MAP REFERENCE IGNITION FUSED BATTERY FEED ORG/ WIRE ORG/BLK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF SHIPPING PANEL) PPL PPL 3 4 PPL/WHT WIRE RED WIRE SERIAL DATA TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE BODY FUEL INJECTOR #1 (TOP OF THROTTLE BODY UNIT) THROTTLE BODY FUEL INJECTOR #2 (TOP OF THROTTLE BODY UNIT) THROTTLE POSITION SENSOR (TOP RIGHT SIDE OF ENGINE) WHT WIRE WHT/BLK WIRE YEL WIRE

"SERVICE THROTTLE" LAMP 12 13 PNK WIRE A/C SIG AIR CONDITIONING SYSTEM APP 3 SENS SIG FUEL TEMP SIG IAT SIG BARO SENSOR (NO LOCATION AVAILABLE) BLK WIRE BLK/WHT WIRE BLU WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECM-CRNK FUSE FUEL HEATER (NO LOCATION AVAILABLE) FUEL PUMP (NO LOCATION AVAILABLE) FUEL PUMP OIL PRESSURE SWITCH FUEL PUMP RELAY (NO LOCATION AVAILABLE) FUSIBLE LINK FUSIBLE LINKS GLOW PLUG CONTROL RELAY (RIGHT REAR TOP OF ENGINE) GLOW PLUG SIG GROUND (NO LOCATION AVAILABLE) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE BLOCK STOP FUSE HOT IN RUN, BULB TEST OR START HOT IN START OR RUN ALT FUSE IGNITION FEED INSTRUMENT CLUSTER INSTRUMENT CLUSTERS SYSTEM LEFT BANK GLOW PLUGS LT GRN WIRE LT GRN/WHT WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (NO LOCATION AVAILABLE) ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT SIDE OF DRIVER'S ISLAND) PPL 15 16 PPL/WHT WIRE RED WIRE RED/BLK WIRE RIGHT BANK GLOW PLUGS SERVICE ENGINE SOON LAMP STARTING/ CHARGING SYSTEM STOP LAMP/ CRUISE CONTROL BRAKE SWITCH (ON BRAKE PEDAL SUPPORT) TAN WIRE TCC BRAKE SWITCH (ON BRAKE PEDAL SUPPORT) PPL WAIT LAMP WASTEGATE SOL CTRL WHT/BLK WIRE YEL WIRE YEL/BLK WIRE