Chevrolet Sportvan G20 (1985-1995) hot at all times Wiring diagrams

BLK WIRE BLU WIRE BRAKE FUSE BRAKE IND BRAKE PRESSURE WARNING SWITCH PARK BRAKE SWITCH 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 FOUR-WHEEL ANTI- LOCK BRAKE MODULE (UNDER RIGHT SIDE OF VEHICLE, AT FRAME RAIL) 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 PNK WIRE PNK/WHT WIRE PPL PUMP MOTOR PWR PUMP MOTOR GND RAIL, NEAR RIGHT PNK/ FRONT WHEEL) WIRE 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

BLK WIRE BLU WIRE BRAKE FUSE BRAKE IND BRAKE PRESSURE WARNING SWITCH BRAKE WARN IND BPMV GND COLUMN) DATA LINK CONNECTOR (BELOW STEERING DIODE (ABOVE STEERING COLUMN) DK GRN WIRE FOUR-WHEEL ANTI- LOCK BRAKE MODULE (UNDER RIGHT SIDE OF VEHICLE, AT FRAME RAIL) 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 RAIL, NEAR RIGHT PNK/ FRONT WHEEL) WIRE 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

1995 VFTC BLK WIRE BLU WIRE BUS BAR GROUND FUSE BLOCK INSTR LPS FUSE GAGES FUSE GRY WIRE HOT AT ALL TIMES HOT IN START OR RUN HOT WITH HEADLIGHT SWITCH IN PARK OR HEADLIGHT LEFT DEFOGGER GRID OFF ON INDICATOR ORG/ WIRE PANEL LAMPS PNK LT WIRE PNK WIRE PPL PPL/WHT WIRE PWR/ACC CIRCUIT BREAKER REAR DEFOGGER SWITCH RIGHT DEFOGGER GRID SOLID STATE TIMER RELAY (ON BRAKE PEDAL SUPPORT BRACKET) WHT WIRE

452 455 PPL A/C ON SIGNAL IN BRAKE SW TO PCM AIR CONDITION- ING 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 VALVE SOLENOID TRANS SHIFT 2/3 SOLENOID ELEC FUEL PUMP IN MAP SENSOR IN ENGINE COOLANT TEMP SENS 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 PCM TRANS SHIFT SOL B PCM TRANS SHIFT SOL A TCC CLUTCH CTRL PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (UNDER DRIVER'S SEAT) 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

3 121 PNK WIRE 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 2-3 SHIFT SOLENIOD 3-2 SHIFT SOLENOID 4.3L ALL EXCEPT 4.3L 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/WHT WIRE ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION 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 (4.3L ONLY) (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 NCA WIRE ORG/ WIRE ORG/BLK WIRE OXYGEN SENSOR (IN EXHAUST MANIFOLD) PNK WIRE PNK/BLK WIRE PPL PPL 3 4 PPL/WHT WIRE PRESSURE CONTROL SOLENOID 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

4.3L AND 5.7L 4.3L AND 5.7L ONLY 5.7L HD ONLY 452 455 PPL 5.7L HD 7.4L 7.4L ONLY AIR CONDITION- ING SYSTEM BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM CRUISE SIGNAL DIAGNOSTIC TEST TP SENSOR SIGNAL INJECTOR 1 CONTROL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE ECM I FUSE ECM B FUSE ECT SIGNAL EGR CONTROL GOVERNOR CONTROL EGR ELECTONIC VACUUM REGULATOR SOLENIOD VALVE (TOP RIGHT SIDE OF ENGINE) EVAPORATIVE CANISTER PURGE CONTROL SOLENOID (TOP RIGHT FRONT OF ENGINE) EXHAUST GAS RECIRCULATION VALVE SOLENOID (TOP RIGHT SIDE OF ENGINE) FUEL PUMP RELAY CTRL PCS LOW FUEL PUMP SIGNAL MAP SIGNAL FUSE BLOCK GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START IC BYPASS SENSOR GROUND SENSOR GROUND TFT SIGNAL IDLE AIR CONTROL UNIT (RIGHT SIDE OF THROTTLE BODY) IDLE SPEED ACTUATOR CONTROL SOLENOID (NO LOCATION AVAILABLE) KNOCK SIGNAL EGR PINTLE POSITION SIGNAL LINEAR EGR VACUUM REGULATOR SOLENOID VALVE (ABOVE RIGHT ROCKER COVER) LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE OXYGEN SENSOR (IN EXHAUST MANIFOLD) OXYGEN SENSOR GROUND PNK 23 24 PPL WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (UNDER DRIVER'S SEAT) PPL PPL 21 22 PPL/WHT WIRE RANGE SIGNAL A INPUT SPEED SIGNAL HIGH INPUT SPEED SIGNAL LOW RANGE SIGNAL B RANGE SIGNAL C MIL CONTROL 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 TRANSMISSION INPUT SPEED SENSOR (NO LOCATION) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

3 121 PNK WIRE 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 PPL 23 24 WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL 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 2-3 SHIFT SOLENIOD 7.4L ONLY 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/WHT WIRE ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION 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 GOVERNOR CONTROL MODULE (LEFT TOP FRONT OF ENGINE) GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START IN-LINE FUSE 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 RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SOLENOID TAN/WHT WIRE THROTTLE BODY GOVERNOR (LEFT SIDE OF THROTTLE BODY) 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 WIRE YEL/BLK WIRE

4.3L 5.7L 5.7L ONLY 4.3L ONLY 7.4L 7.4L ONLY AIR CONDITION- ING SYSTEM BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM CRUISE SIGNAL DIAGNOSTIC TEST TP SENSOR SIGNAL INJECTOR 1 CONTROL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE ECM BAT FUSE ECM CRNK FUSE EGR CONTROL GOVERNOR CONTROL EGR ELECTONIC VACUUM REGULATOR SOLENIOD VALVE (TOP RIGHT FRONT OF ENGINE) EVAPORATIVE CANISTER PURGE CONTROL SOLENOID (TOP RIGHT SIDE OF ENGINE) EXHAUST GAS RECIRCULATION VALVE SOLENOID (TOP RIGHT SIDE OF ENGINE) FUEL PUMP RELAY CTRL PCS LOW FUEL PUMP SIGNAL MAP SIGNAL FUSE BLOCK GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START IC BYPASS SENSOR GROUND SENSOR GROUND TFT SIGNAL IDLE AIR CONTROL ACTUATOR (TOP REAR OF ENGINE) IDLE SPEED ACTUATOR CONTROL SOLENOID (NO LOCATION AVAILABLE) INJ FUSE KNOCK SENSOR INPUT ECT SIGNAL KNOCK SIGNAL EGR PINTLE POSITION SIGNAL LINEAR EGR VACUUM REGULATOR SOLENOID VALVE (TOP FRONT OF ENGINE) LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/ WIRE OXYGEN SENSOR GROUND PNK 26 27 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF SHIPPING PANEL) PPL PPL 24 25 PPL/WHT WIRE RANGE SIGNAL A INPUT SPEED SIGNAL HIGH INPUT SPEED SIGNAL LOW RANGE SIGNAL B RANGE SIGNAL C MIL CONTROL RED WIRE RED/BLK WIRE TAN WIRE TAN/BLK WIRE THROTTLE BODY FUEL INJECTOR #1 (TOP OF THROTTLE BODY UNIT) THROTTLE BODY FUEL INJECTOR #2 (TOP OF THROTTLE BODY UNIT) TRANSMISSION INPUT SPEED SENSOR (NO LOCATION) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE