Wiring diagram engine performance 7.4l (vin j)s for GMC Vandura Special G3500 (1985-1996)

1-2 SHIFT SOL. CTRL TCC SOL CTRL A/C COMPRESSOR CLUTCH RELAY (UNDERHOOD FUSE/RELAY CENTER) AIR INJECTION RLY CTRL VSS SIGNAL OUT ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BLU DK WIRE BRN WIRE CAM POS SENS SIGNAL PNK WIRE CAMSHAFT POSITION SENSOR (INSIDE DISTRIBUTOR ASSEMBLY) CRANKSHAFT POSITION SENSOR (LOWER FRONT OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE EVAP CAN PURGE VALVE EVAPORATIVE EMISSIONS CANISTER PURGE SOLENOID (RIGHT SIDE OF ENGINE) FUEL INJ 1 CTRL 2-3 SHIFT SOL CTRL FUEL INJ 8 CTRL GRY WIRE IDLE AIR CONTROL SOLENOID (SIDE OF THROTTLE BODY) IGN FEED KNOCK SENS SIGNAL KNOCK SENSOR (ON LEFT SIDE OF ENGINE BLOCK BELOW EXHAUST MANIFOLD) KNOCK SENSOR (ON RIGHT SIDE OF ENGINE BLOCK AHEAD OF STARTER) LEFT SENS LO (POST CAT) LEFT SENS LO (PRE CAT) RIGHT SENS LO (POST CAT) LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAP SIGNAL INTAKE AIR TEMP SENS ECT SENS SIGNAL NCA WIRE PNK 8 9 10 WIRE PNK IGN FEED SENS RTN SENS SIG WIRE PNK PNK 1 2 WIRE PNK WIRE PNK/BLK WIRE PPL PPL CKP POS SENS RTN VSS RTN VSS SIGNAL CKP POS SIGNAL IN PPL PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RIGHT SENS LO (PRE CAT) SENS RTN SECONDARY AIR INJECTION REACTION PUMP RELAY (UNDERHOOD FUSE/ RELAY CENTER) SENSOR RTN SENSOR SIGNAL TAN WIRE TAN/WHT WIRE THROTTLE POS SENS VEHICLE CONTROL MODULE (VCM) (ENGINE COMPARTMENT, ON LEFT FENDER APRON) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANS- MISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRN WIRE DK BLU WIRE DK BLU/WHT WIRE ENG 1 FUSE EXHAUST GAS RECIRCULATION VALVE SOLENOID (RIGHT SIDE OF ENGINE) FLUID TEMPERATURE SENSOR (INTERNAL) FORCE MOTOR FUEL INJ. NO.1 FUEL INJ. NO.3 FUEL INJ. NO.5 FUEL INJ. NO.4 FUEL INJ. NO.6 FUEL INJ. NO.7 FUEL INJ. NO.2 FUEL INJ. NO.8 GRN WIRE GRY WIRE HOT IN OFF, RUN OR START HOT IN RUN OR START I/P FUSE BLOCK IGNITION INTAKE AIR TEMP SENSOR (MOUNTED IN FRESH AIR INTAKE DUCT) LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE PNK 8 9 10 WIRE PNK PNK 1 2 WIRE PNK PNK PNK 4 5 6 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/ WHT WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE SOLENOID 1-2 SOLENOID 2-3 SWITCH PRESSURE TAN WIRE TAN/ WHT WIRE TAN/WHT WIRE TCC SOLENOID TRANS FUSE 20 UNDERHOOD FUSE/RELAY CENTER WHT LT BLU/ WIRE WHT PPL/ WIRE WHT TAN/ WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL GAUGE FUEL PUMP, SENDER (ON TOP OF FUEL TANK) FUEL PUMP/ OIL PRESSURE SWITCH (ON ENGINE BLOCK, TOP REAR, BEHIND DISTRIBUTOR) GAUGES FUSE 4 GRY WIRE HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK INSTRUMENT CLUSTER LT BLU/WHT WIRE LT GRN WIRE MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (TOP RIGHT SIDE OF ENGINE) MASS AIR FLOW SENSOR (TOP FRONT OF ENGINE, IN FRESH AIR INTAKE DUCT) NCA WIRE OIL PRESS GAUGE ORG/ WIRE PNK PNK PNK 4 5 6 WIRE PNK WIRE PPL PPL PNK PNK PNK 1 2 3 4 5 6 WIRE RED WIRE RED/BLK WIRE SERVICE ENGINE SOON INDICATOR SPEED METER TAN WIRE TCC/STOP- LAMP SWITCH (UNDER LEFT SIDE OF I/P, ON BRAKE PEDAL SUPPORT BRACKET) THROTTLE POSITION SENSOR (ON SIDE OF THROTTLE BODY) WHT WIRE YEL WIRE

900 900 SERVICE CIRCUIT POWER SERVICE CIRCUIT POWER A/C REQUEST SIGNAL A/T INPUT SPEED SENSOR (INSIDE FRONT OF TRANSMISSION) AIR CONDITIONING SYSTEM B(+) BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL MODULE (FRONT OF ENGINE COMPT NEAR LEFT FENDER) CRUISE CTRL ENGAGED CRUISE CTRL SIG-ENGAGED CYLINDER NO.1 CYLINDER NO.4 CYLINDER NO.5 CYLINDER NO.3 CYLINDER NO.6 CYLINDER NO.7 CYLINDER NO.2 CYLINDER NO.8 DATA LINK CONNECTOR (UNDER LEFT SIDE OF I/P) DISTRIBUTOR DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM I FUSE ECM-B FUSE ELEC SPK TIMING CTRL SIGNAL EST CTRL EVAP CAN PURGE VAC IN FORCE MTR RTN GROUND GROUND SENS GROUND FORCE MTR FEED SENS RTN SENS RTN ELEC SPK TIMING CTRL SIG FUEL PMP RLY CTRL 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 FUEL PUMP PRIME CONNECTOR FUEL PUMP RELAY UNDERHOOD FUSE-RELAY CENTER GROUND GRY WIRE HIGH VOLTAGE COIL WIRE HOT AT ALL TIMES HOT IN RUN OR START IGN FEED IGN FEED PRESS SW SIG PRESS SW SIG IGNITION COIL (TOP RIGHT SIDE OF ENGINE) IGNITION COIL DRIVER (ON BRACKET AT REAR OF INTAKE PLENUM) LT BLU/BLK WIRE LT BLU/WHT WIRE NCA WIRE ORG/ WIRE PNK IGN FEED WIRE PNK WIRE PPL PPL PNK PNK PNK 1 2 3 4 5 6 WIRE PPL PPL ANTI-LOCK BRAKES SYSTEM PPL PPL BRAKE SW INPUT SERIAL DATA PPL TCC/STOPLAMP INPUT PRESS SW SIG RED WIRE RED/BLK WIRE SOUND SYSTEMS SPARK PLUGS SPEED SENSOR INPUT TAN/WHT WIRE UNDERHOOD FUSE/RELAY CENTER VEHICLE CONTROL MODULE (VCM) (ENGINE COMPARTMENT, ON LEFT FENDER APRON) VSS SIGNAL VSS OUTPUT CHECK ENGINE LP CTRL WHT WIRE WHT/BLK WIRE