Chevrolet Chevy Van G30 (1985-1994) tan Wiring diagrams

ANTI-LOCK BRAKE SYSTEM AUXILIARY FUSE BLOCK BLK WIRE BUS BAR GROUND (BEHIND LEFT SIDE OF INSTRUMENT PANEL, NEAR FUSE BLOCK) BUS BAR GROUND SUPPORT) COMPARTMENT) CONNECTED TO THROTTLE LINKAGE CRUISE CONTROL BRAKE SWITCH CRUISE CONTROL INPUT CRUISE CONTROL MODULE (TOP REAR OF PARKING BRAKE BRACKET) CRUISE CONTROL SERVO (LEFT REAR OF ENGINE CRUISE CONTROL SWITCH CRUISE ON INPUT PCM/TCM SIGNAL VENT VALVE CONTROL SPEED SENSOR INPUT DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSE BLOCK GROUND GRY WIRE GRY/BLK WIRE HOT IN RUN BRK FUSE HOT IN RUN OR START GAGES FUSE IGN LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE OFF ON R/A PNK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (PCM) (UNDER DRIVER'S SEAT) SENSOR POSIT INPUT BRAKE IN (VENT/VAC) SERVO POSIT INPUT GROUND VAC VALVE CONTROL R/A SIGNAL S/C SIGNAL SERVO POSITION SENSOR SPEED SIGNAL TAN WIRE TO BRAKE CRUISE RELEASE VALVE (VENTS WITH BRAKE PEDAL DEPRESSED) TO CRUISE CONTROL VACUUM MOTOR VACUUM RELEASE PORT VACUUM SOURCE VACUUM VALVE VENT VALVE VARIABLE A/C SIGNAL VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) VENT WHT WIRE YEL WIRE

ANTI-LOCK BRAKE SYSTEM AUXILIARY FUSE BLOCK BLK WIRE BUS BAR GROUND (BEHIND LEFT SIDE OF INSTRUMENT PANEL, NEAR FUSE BLOCK) BUS BAR GROUND SUPPORT) COMPARTMENT) CONNECTED TO THROTTLE LINKAGE CRUISE CONTROL BRAKE SWITCH CRUISE CONTROL INPUT CRUISE CONTROL MODULE (TOP REAR OF PARKING BRAKE BRACKET) CRUISE CONTROL SERVO (LEFT REAR OF ENGINE CRUISE CONTROL SWITCH CRUISE ON INPUT PCM/TCM SIGNAL VENT VALVE CONTROL SPEED SENSOR INPUT DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSE BLOCK GROUND GRY WIRE GRY/BLK WIRE HOT IN RUN BRK FUSE HOT IN RUN OR START GAGES FUSE IGN LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE OFF ON R/A PNK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (PCM) (UNDER DRIVER'S SEAT) SENSOR POSIT INPUT BRAKE IN (VENT/VAC) SERVO POSIT INPUT GROUND VAC VALVE CONTROL R/A SIGNAL S/C SIGNAL SERVO POSITION SENSOR SPEED SIGNAL TAN WIRE TO BRAKE CRUISE RELEASE VALVE (VENTS WITH BRAKE PEDAL DEPRESSED) TO CRUISE CONTROL VACUUM MOTOR VACUUM RELEASE PORT VACUUM SOURCE VACUUM VALVE VENT VALVE VARIABLE A/C SIGNAL VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) VENT WHT WIRE YEL WIRE

ANTI-LOCK BRAKE SYSTEM AUXILIARY FUSE BLOCK BLK WIRE BUS BAR GROUND (BEHIND LEFT SIDE OF INSTRUMENT PANEL, NEAR FUSE BLOCK) BUS BAR GROUND SUPPORT) COMPARTMENT) CONNECTED TO THROTTLE LINKAGE CRUISE CONTROL BRAKE SWITCH CRUISE CONTROL INPUT CRUISE CONTROL MODULE (TOP REAR OF PARKING BRAKE BRACKET) CRUISE CONTROL SERVO (LEFT REAR OF ENGINE CRUISE CONTROL SWITCH CRUISE ON INPUT PCM/TCM SIGNAL VENT VALVE CONTROL SPEED SENSOR INPUT DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSE BLOCK GROUND GRY WIRE GRY/BLK WIRE HOT IN RUN BRK FUSE HOT IN RUN OR START GAGES FUSE IGN LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE OFF ON R/A PNK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (PCM) (UNDER DRIVER'S SEAT) SENSOR POSIT INPUT BRAKE IN (VENT/VAC) SERVO POSIT INPUT GROUND VAC VALVE CONTROL R/A SIGNAL S/C SIGNAL SERVO POSITION SENSOR SPEED SIGNAL TAN WIRE TO BRAKE CRUISE RELEASE VALVE (VENTS WITH BRAKE PEDAL DEPRESSED) TO CRUISE CONTROL VACUUM MOTOR VACUUM RELEASE PORT VACUUM SOURCE VACUUM VALVE VENT VALVE VARIABLE A/C SIGNAL VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) VENT WHT WIRE YEL WIRE

ANTI-LOCK BRAKE SYSTEM AUXILIARY FUSE BLOCK BLK WIRE BUS BAR GROUND (BEHIND LEFT SIDE OF INSTRUMENT PANEL, NEAR FUSE BLOCK) BUS BAR GROUND SUPPORT) COMPARTMENT) CONNECTED TO THROTTLE LINKAGE CRUISE CONTROL BRAKE SWITCH CRUISE CONTROL INPUT CRUISE CONTROL MODULE (TOP REAR OF PARKING BRAKE BRACKET) CRUISE CONTROL SERVO (LEFT REAR OF ENGINE CRUISE CONTROL SWITCH CRUISE ON INPUT PCM/TCM SIGNAL VENT VALVE CONTROL SPEED SENSOR INPUT DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSE BLOCK GROUND GRY WIRE GRY/BLK WIRE HOT IN RUN BRK FUSE HOT IN RUN OR START GAGES FUSE IGN LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE OFF ON R/A PNK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (PCM) (UNDER DRIVER'S SEAT) SENSOR POSIT INPUT BRAKE IN (VENT/VAC) SERVO POSIT INPUT GROUND VAC VALVE CONTROL R/A SIGNAL S/C SIGNAL SERVO POSITION SENSOR SPEED SIGNAL TAN WIRE TO BRAKE CRUISE RELEASE VALVE (VENTS WITH BRAKE PEDAL DEPRESSED) TO CRUISE CONTROL VACUUM MOTOR VACUUM RELEASE PORT VACUUM SOURCE VACUUM VALVE VENT VALVE VARIABLE A/C SIGNAL VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) VENT WHT WIRE YEL WIRE

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

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

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

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

AIR CONDITIONING SYSTEM BATTERY FEED FUEL PUMP SIGNAL IC REFERENCE LOW BLK WIRE BLK/RED WIRE BLK/WHT WIRE BRN/WHT WIRE CRANK SIGNAL ECT SIGNAL MAP SIGNAL CRNK FUSE ECM-CRNK FUSE DATA LINK CONNECTOR (BEHIND LEFT SIDE OF SHIPPING PANEL) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BAT FUSE EGR CONTROL MALFUNCTION INDICATOR LAMP IGN ECM FUSED ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL PUMP RELAY FUSE BLOCK GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START HOT IN START IAC B LOW IAC B HIGH IAC A HIGH IAC A LOW IC CONTROL IC BYPASS OXYGEN SENSOR GROUND OXYGEN SENSOR SIGNAL IC REFERENCE HIGH IDLE AIR CONTROL ACTUATOR (TOP REAR OF ENGINE) INJ FUSE INJECTOR 2 CONTROL INJECTOR 1 CONTROL INJECTOR 1 CONTROL KNOCK SIGNAL A/C SIGNAL LT BLU/BLK WIRE LT BLU/WHT WIRE LT BLU/WTH WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT GRN/WTH WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) ORG/ WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT SIDE OF SHIPPING PANEL) PPL PPL/WHT WIRE RED WIRE SERIAL DATA DIAGNOSTIC TEST TERMINAL VSS SIGNAL SENSOR GROUND SYSTEM GROUND SYSTEM GROUND MAP SENSOR GROUND 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) THROTTLE POSITION SENSOR (TOP RIGHT SIDE OF ENGINE) TP SIGNAL 5 VOLT REF INJECTOR 2 CONTROL BATTERY FEED WHT WIRE WHT/BLK WIRE YEL WIRE