GMC Vandura G3500 (1985-1996) red Wiring diagrams

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

2-3 SHIFT SOL 3-2 SOL 1-2 SHIFT SOL 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 ECM I FUSE ECM-B FUSE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP FRONT OF ENGINE) GAGES FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (RIGHT KICK PANEL) PPL PPL/WHT WIRE PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SERVICE ENGINE SOON INDIC SPEED SENSOR (LEFT REAR SIDE OF TRANSMISSION) TAN WIRE TAN/WHT WIRE TCC/STOPLAMP 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 (PARKING BRAKE SUPPORT BRACKET) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

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

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

BAT VOLT SENSE INPUT BATTERY BATTERY JUNCTION BLOCK BLK WIRE BLK/RED WIRE FUSE BLOCK FUSIBLE LINK (10 GA-RUST) GAGES FUSE GENERATOR (NOT USED) (RIGHT FRONT OF ENGINE) HOT IN RUN OR START INSTRUMENT CLUSTER PNK/BLK WIRE RECTIFIER BRIDGE RED WIRE REGULATOR (SOLID STATE) STARTER CIRCUIT STATOR SW BAT FIELD (ROTOR) TURN ON INPUT VOLT- METER

AALT FUSE BAT VOLT SENSE INPUT BATTERY BATTERY JUNCTION BLOCK BLK WIRE BLK/RED WIRE FUSE BLOCK GENERATOR (NOT USED) (RIGHT FRONT OF ENGINE) HOT IN RUN OR START INSTRUMENT CLUSTER PNK/BLK WIRE RECTIFIER BRIDGE RED WIRE REGULATOR (SOLID STATE) STARTER CIRCUIT STATOR SW BAT FIELD (ROTOR) TURN ON INPUT VOLT- METER

ACCY BATTERY BATTERY JUNCTION BLOCK BLK WIRE BULB TEST CLUTCH START SWITCH (ON CLUTCH PEDAL SUPPORT BRACKET) FUSIBLE LINK (20 GA-RUST) FUSIBLE LINK C (16 GA. RUST) FUSIBLE LINK E (20 GA. RUST) GENERATOR (FRONT OF ENGINE) BAT GLOW PLUG CONTROLLER (TOP REAR OF ENGINE) HOLD-IN WINDING PULL-IN WINDING IGNITION SWITCH LOCK OFF LT GRN/BLK WIRE PPL PPL A/T M/T PPL/WHT WIRE RED WIRE RUN WIRE SOLENOID CONTACTS STARTER MOTOR STARTER RELAY (LOWER LEFT SIDE OF ENGINE) STARTER SOLENOID

ACCY BATTERY BATTERY JUNCTION BLOCK BLK WIRE BULB TEST CLUTCH START SWITCH (ON CLUTCH PEDAL SUPPORT BRACKET) FUSIBLE LINK B (14 GA. RUST) FUSIBLE LINK E (20 GA. RUST) GENERATOR (FRONT OF ENGINE) BAT HOLD-IN WINDING PULL-IN WINDING IGNITION SWITCH LOCK OFF POWER DISTRIBUTION FUSE BLOCK PPL PPL A/T M/T RED WIRE RUN WIRE STARTER MOTOR STARTER SOLENOID SOLENOID CONTACTS

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) ACCY BATTERY BATTERY JUNCTION BLOCK BLK WIRE BULB TEST FUSIBLE LINK B (14 GA. RUST) FUSIBLE LINK E (20 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