GMC Vandura G3500 (1985-1996) red Wiring diagrams

1995 VFTC A/C HIGH PRESSURE CUTOUT SWITCH (ON COMPRESSOR) A/C LOW PRESSURE CUTOUT SWITCH (ON ACCUMULATOR) A/C SIGNAL AUX HTR A/C FUSE BLK WIRE BLOWER MOTOR BLOWER MOTOR RESISTOR (ENGINE COMPARTMENT, ON RIGHT COWL) BLOWER SWITCH BRN WIRE BRN/WHT WIRE DEF BLEND DIESEL DIODE A/C COMPRESSOR DK GRN WIRE FUSIBLE LINK GAS HEAT VENT B/L HIGH BLOWER RELAY (ON EVAPORATOR HOUSING) HOT AT ALL TIMES FUSE BLOCK HOT IN RUN HTR A/C FUSE LO LO HI LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE NCA WIRE OFF HI ME LO OFF MAX NORM ORG/ WIRE ORG/BLK WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT KICK PANEL) PPL REAR A/C BLOWER MOTOR REAR A/C BLOWER RESISTOR (REAR OF VEHICLE ON ROOF) REAR BLOWER SWITCH RED WIRE SELECTOR CONTROL TAN WIRE YEL WIRE YEL/BLK WIRE

1995 VFTC A/C HIGH PRESSURE CUTOUT SWITCH (ON COMPRESSOR) A/C LOW PRESSURE CUTOUT SWITCH (ON ACCUMULATOR) A/C SIGNAL AUX HTR A/C FUSE BLK WIRE BLOWER MOTOR BLOWER MOTOR RESISTOR (ENGINE COMPARTMENT, ON RIGHT COWL) BLOWER SWITCH BRN WIRE BRN/WHT WIRE DEF BLEND DIODE A/C COMPRESSOR DK GRN WIRE ENGINE COOLANT TEMPERATURE CUTOUT SWITCH FUSIBLE LINK HEAT VENT B/L HIGH BLOWER RELAY (ON EVAPORATOR HOUSING) HOT AT ALL TIMES FUSE BLOCK HOT IN RUN HTR A/C FUSE LO LO HI LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE NCA WIRE OFF HI ME LO OFF MAX NORM ORG/ WIRE ORG/BLK WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT KICK PANEL) PPL REAR A/C BLOWER MOTOR REAR A/C BLOWER RESISTOR (REAR OF VEHICLE ON ROOF) REAR BLOWER SWITCH RED WIRE SELECTOR CONTROL TAN WIRE YEL WIRE YEL/BLK WIRE

A/C COMPRESSOR A/C HIGH PRESSURE CUTOUT SWITCH (NEAR COMPRESSOR) A/C HIGH PRESSURE CUTOUT SWITCH (ON COMPRESSOR) A/C SIGNAL BLK WIRE BLOWER MOTOR BLOWER MOTOR RESISTOR (ENGINE COMPARTMENT, ON BLOWER HOUSING) BLOWER SWITCH BRN WIRE DEF BLEND DIODE DK BLU WIRE DK GRN WIRE FUSE BLOCK FUSIBLE LINK HEAT VENT B/L HIGH BLOWER RELAY (ON EVAPORATOR HOUSING) HOT AT ALL TIMES HOT IN RUN HTR A/C FUSE LO LO HI LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF MAX NORM ORG/ WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT KICK PANEL) PPL RED WIRE SELECTOR CONTROL TAN WIRE YEL WIRE

A/C COMPRESSOR A/C HIGH PRESSURE CUTOUT SWITCH (NEAR COMPRESSOR) A/C HIGH PRESSURE CUTOUT SWITCH (ON COMPRESSOR) A/C SIGNAL BLK WIRE BLOWER MOTOR BLOWER MOTOR RESISTOR (ENGINE COMPARTMENT, ON BLOWER HOUSING) BLOWER SWITCH BRN WIRE DEF BLEND DIODE DK BLU WIRE DK GRN WIRE FUSE BLOCK FUSIBLE LINK HEAT VENT B/L HIGH BLOWER RELAY (ON EVAPORATOR HOUSING) HOT AT ALL TIMES HOT IN RUN HTR A/C FUSE LO LO HI LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF MAX NORM ORG/ WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT KICK PANEL) PPL RED WIRE SELECTOR CONTROL TAN WIRE YEL WIRE

A/C COMPRESSOR A/C HIGH PRESSURE CUTOUT SWITCH (NEAR COMPRESSOR) A/C HIGH PRESSURE CUTOUT SWITCH (ON COMPRESSOR) A/C SIGNAL BLK WIRE BLOWER MOTOR BLOWER MOTOR RESISTOR (ENGINE COMPARTMENT, ON BLOWER HOUSING) BLOWER SWITCH BRN WIRE DEF BLEND DIODE DK BLU WIRE DK GRN WIRE FUSE BLOCK FUSIBLE LINK HEAT VENT B/L HIGH BLOWER RELAY (ON EVAPORATOR HOUSING) HOT AT ALL TIMES HOT IN RUN HTR A/C FUSE LO LO HI LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF MAX NORM ORG/ WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT KICK PANEL) PPL RED WIRE SELECTOR CONTROL TAN WIRE YEL WIRE

1995 VFTC BLK WIRE BLU WIRE BRAKE FUSE BRAKE IND BRAKE PRESSURE MODULATOR VALVE (UNDER RIGHT SIDE OF VEHICLE, AT FRAME RAIL) BRAKE PRESSURE WARNING SWITCH (REAR OF BRAKE MODULATOR VALVE) BRAKE WARN IND BPMV GND COLUMN) DATA LINK CONNECTOR (BELOW STEERING DAYTIME RUNNING LAMPS MODULE (LEFT SIDE OF I/P) IGNITION SWITCH DIODE ARRAY MODULE (UNDER LEFT SIDE OF I/P) DK GRN WIRE FUSE BLOCK FUSIBLE LINK (16 GA-RUST) GAUGES FUSE GRN WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START I/P IGN FEED ABS IND BRAKE SW INSTRUMENT CLUSTER LEFT FRONT WHEEL SENSOR LF SENSOR LO RF SENSOR LO LT BLU WIRE NCA WIRE PARK BRAKE SWITCH PNK WIRE PNK/WHT WIRE PPL PUMP MOTOR PWR PUMP MOTOR GND RED WIRE RF SENSOR HI LF SENSOR HI RIGHT FRONT WHEEL SENSOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC/BRAKE SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) PPL VEHICLE SPEED IN DIAG REQUEST VEHICLE SPEED OUTPUT VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) WHT WIRE YEL 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

1995 VFTC 23 24 PNK WIRE 4.3L AND 5.7 W/O HD 452 455 PPL 5.7 HD AIR CONDITIONING SYSTEM BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM CRUISE IND REG GRD DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DLC THROTTLE POSITION SIGNAL LO SIDE INJ A ECM I FUSE ECM-B FUSE EGR ELECTRONIC VACUUM REGULATOR SOLENOID VALVE (TOP RIGHT SIDE OF ENGINE) EGR VALVE SOLENOID TRANS SHIFT 2/3 SOLENOID ELEC FUEL PUMP IN MAP SENSOR IN ENGINE COOLANT TEMP SENS EVAP CONTROL EVAPORATIVE CANISTER PURGE SOLENOID (TOP RIGHT OF ENGINE) EXHAUST GAS RECIRCULATION VALVE SOLENOID (TOP RIGHT SIDE OF ENGINE) FUEL PUMP RELAY DRIVE PCM TRANS FORCE MTR LO FUSE BLOCK GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START IDLE AIR CONTROL UNIT (RIGHT SIDE OF THROTTLE BODY) IGNITION BYPASS KNOCK SENSOR IN LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/ WIRE ORG/BLK WIRE OXYGEN SENSOR LO PCM TO TRANS TEMP SENSOR PCM TRANS RANGE A PCM TRANS RANGE B PCM TRANS RANGE C MIL INDICATOR CTRL PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT KICK PANEL) PPL PPL 1 2 3 4 PPL 21 22 PPL/WHT WIRE RED WIRE RED/BLK WIRE 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) TRANS FUSE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1995 VFTC 23 24 PNK WIRE 3 121 PNK WIRE 4.3L ONLY ACCY AUXILIARY FUSE BLOCK BLK WIRE BLK/RED WIRE BLK/YEL WIRE BRAKE FUSE BRN WIRE BRN/WHT WIRE BULB TEST DISTRIBUTOR (CENTER REAR OF ENGINE) DK BLU WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (ON INTAKE MANIFOLD) FUSE BLOCK GAGES FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START IGNITION COIL (TOP RIGHT REAR OF ENGINE) IGNITION SWITCH INSTRUMENT CLUSTER KNOCK SENSOR (LEFT REAR OF ENGINE, NEAR OIL PRESSURE SENDER) LOCK OFF LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION (SERVICE ENGINE SOON) INDICATOR MANIFOLD ABSOLUTE PRESSURE SENSOR (ABOVE VALVE COVER) NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PPL 1 2 3 4 PPL 21 22 PPL 3 4 PPL/WHT WIRE RED WIRE RED/BLK WIRE RUN WIRE TACHOMETER TEST LEAD TAN/BLK WIRE TCC/BRAKE SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) THROTTLE POSITION SENSOR (ON THROTTLE BODY) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENIOD 1995 VFTC 2-3 SHIFT SOLENIOD 3-2 SHIFT SOLENOID AUTOMATIC TRANSMISSION AUXILIARY FUSE BLOCK B/H CONN BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE DATA LINK CONNECTOR (BEHIND LEFT SIDE OF I/P) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUEL PUMP AND SENDER FUEL PUMP FUSE FUEL PUMP OIL PRESSURE SWITCH (TOP REAR OF ENGINE) FUEL PUMP PRIME CONNECTOR (NO LOCATION AVAILABLE) FUEL PUMP RELAY (RIGHT FRONT OF COWL, ABOVE BLOWER MOTOR) FUSE BLOCK TRANS FUSE GRY WIRE HEATED OXYGEN SENSOR (IN EXHAUST Y-PIPE) HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL 3 4 PPL/WHT WIRE PRESSURE CONTROL SOLENOID SOLENOID PWM TORQUE CONVERTER CLUTCH RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SOLENOID TAN/BLK WIRE TORQUE CONVERTER CLUTCH TRANS- MISSION TEMP SENSOR VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) WHT WIRE WHT/BLK WIRE YEL/BLK WIRE