Chevrolet Chevy Express G2500 (1996-2012) Wiring diagram engine performance 4.3l (vin w)s

3-2 SHIFT SOL LOW REF 9 10 11 PPL BATTERY PPL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (PART OF DISTRIBUTOR, REAR TOP OF ENGINE) CKP SENS DK BLU WIRE ECM-B FUSE ENG 1 FUSE ENGINE COOLANT TEMPERATURE SENSOR (ON TOP FRONT OF ENGINE) GROUND EGR GND GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START INJ 1 INJ 3 INJ 4 INJ 5 KS SIG LOW REF LOW REF LOW REF LOW REF LOW REF EGR VALVE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK PNK 20 21 22 23 24 25 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (ON LEFT INNER FENDER) PPL PPL PNK WIRE PPL PPL PPL/WHT WIRE RED WIRE SOLID STATE TAN WIRE TAN/WHT WIRE TRANS PRES B TRANS PRES C IGN 1 BATTERY LOW REF TRANS SW A TCC BK SW TRANS SW P PPL TRANS SW B CMP SENSOR ECT SENSOR OFF/RUN/CRK INJ 2 INJ 6 UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PNK WIRE 2-3 SHIFT SOLENOID 1-2 SHIFT SOLENOID 3-2 SHIFT SOLENOID A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH 4-SPEED TRANS. ONLY 9 10 11 PPL AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE FUSE 18 BRN WIRE DK BLU WIRE ECM 1 FUSE EXHAUST GAS RECIRCULATION VALVE (TOP FRONT OF ENGINE) FLUID TEMP SENSOR GROUND FLUID TEMP SENSOR SIGNAL IGNITION PRESSURE CONTROL SOLENOID VALVE FUEL INJ 1 FUEL INJ 2 FUEL INJ 3 FUEL INJ 4 FUEL INJ 5 FUEL INJ 6 GRN WIRE GRY WIRE HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT PNK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK LT WIRE PNK PNK 20 21 22 23 24 25 WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL RED WIRE RED/BLK WIRE TAN WIRE TAN/BLK WIRE TCC PCM SOLENOID VALVE TCC SOLENOID VLAVE TCC/BRAKE SWITCH (BEHIND DASH, ON BRAKE PEDAL SUPPORT) TRANS.) UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PNK WIRE 21 22 PPL 24 25 26 PNK WIRE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUEL LVL INPUT FUEL PUMP RELAY FUEL PUMP, SENDER (IN FUEL TANK UNDER REAR OF VEHICLE) SIG OUT SIG IN FUEL TANK PRESSURE SENSOR (IN FUEL TANK) GAUGES FUSE 4 GRN WIRE GRY WIRE HOT AT ALL TIMES UNDERHOOD FUSE BLOCK AIR FUSE HOT IN OFF, RUN OR START HOT IN RUN OR START I/P FUSE BLOCK INPUT INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP (MIL) "SERVICE ENGINE SOON" MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP RIGHT SIDE OF ENGINE) MASS AIRFLOW SENSOR (PART OF AIR INTAKE DUCT, TOP FRONT OF ENGINE) ODOMETER SPEEDOMETER/ ORG/ WIRE ORG/BLK WIRE PARK/ NEUTRAL POSITION SWITCH PNK PNK WIRE PNK WIRE PPL PPL SECONDARY AIR INJECTION REACTION SOLENOID RED WIRE RED/BLK WIRE SECONDARY AIR INJECTION REACTION PUMP CLUTCH SECONDARY AIR INJECTION REACTION PUMP RELAY TAN WIRE TAN/BLK WIRE THROTTLE POSITION SENSOR (ON LEFT SIDE OF THROTTLE BODY) TRANS FUSE 20 UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

21 22 PPL 24 25 26 PNK WIRE A/C REQ A/C SYSTEM ANTI-LOCK BRAKE SYSTEM AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BLK WIRE BLK/WHT WIRE BLU/BLK WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM CRUISE ENG DISTRIBUTOR DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EAVP PURGE CHARGE IND AIR PUMP EVAP VENT MIL 2-3 SHIFT 1-2 SHIFT VSS VSS TFT SENS GEN F EVAPORATIVE EMISSION CANISTER VENT SOLENOID (ON FRONT OF EVAP CANISTER) EVAPORATIVE EMISSIONS CANISTER PURGE SOLENOID VALVE (RIGHT SIDE OF ENGINE) GEN TO GRN WIRE GROUND EGR SOL TCC SOL A/C CLUTCH GRY WIRE HIGH VOLTAGE COIL WIRE IAC COIL B IAC COIL B IAC COIL A IAC COIL A IDLE AIR CONTROL VALVE (TOP LEFT SIDE OF ENGINE) IGNITION COIL (TOP REAR OF ENGINE) IGNITION CONTROL MODULE (TOP RIGHT SIDE OF ENGINE, AT IGNITION COIL) LOW REF LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAF SENS MAP SENS PC SOL EGR SUPP PC SOL F PMP RLY PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (ON LEFT INNER FENDER) PPL PPL FUEL LEV PPL FUEL LEV A/C LOW PPL/WHT WIRE RED WIRE RED/BLK WIRE SOLID STATE STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TRANS C TRANS A PRES SENS PNK WIRE VEHICLE SPEED SENSOR (RIGHT SIDE OF TRANSMISSION) VSS LOW VSS HI AT ISS HI AT ISS LO TP SENS IAT SENS SIG IC TIMING WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE