Wiring diagram engine performance 5.7l (vin k)s, a/t for GMC Cab & Chassis K2500 (1989-2000)

4.3L W/ A/C ON SIGNAL IN BRAKE SW TO PCM AIR CONDITION- ING SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COOLANT TEMP. SENSOR CRUISE CONTROL SYSTEM CRUISE IND REG GRD DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DLC THROTTLE POSITION SENSOR IN LO SIDE INJ A ECM-I MINI FUSE EGR VALVE SOLENOID (4.3/5.0/5.7L EGR VALVE SOLENOID TRANS SHIFT 3/2 SOLENOID ELEC FUEL PUMP IN MAP SENSOR IN EMISSIONS) (RIGHT SIDE OF ENGINE) ENG-I MINI FUSE EVAP CANISTER PURGE CTRL EVAPORATIVE CANISTER PURGE SOLENOID (5.0, 5.7L W/ 4L60E, 4.3L W/ FUEL PUMP RELAY CTRL PCM TRANS FORCE MTR LO GRY WIRE GRY/BLK WIRE HOT IN RUN OR START IDLE AIR CONTROL UNIT (RIGHT REAR OF TBI UNIT) IGNITION BYPASS KNOCK SENSOR IN PINTLE POSITION SIGNAL LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/ WIRE OXYGEN SENSOR LO PCM TO TRANS TEMP SENSOR PCM TRANS RANGE A TRANS INPUT SPEED IN HI TRANS INPUT SPEED IN LO PCM TRANS RANGE B PCM TRANS RANGE C MIL INDICATOR CTRL PCM TRANS SHIFT SOL B PCM TRANS SHIFT SOL A PNK WIRE POWERTRAIN CONTROL MODULE (UNDER RIGHT SIDE OF I/P) PPL PPL 1 2 3 4 PPL 23 24 PPL/WHT WIRE RED WIRE RED/BLK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC CLUTCH CTRL TCC CLUTCH CTRL THROTTLE BODY FUEL INJECTOR #1 (TOP OF THROTTLE BODY UNIT) THROTTLE BODY FUEL INJECTOR #2 (TOP OF THROTTLE BODY UNIT) TRANSMISSION INPUT SHAFT SPEED SENSOR TRANSMISSIONS SYSTEM UNDERHOOD FUSE/RELAY CENTER (LEFT REAR OF ENGINE COMPT) WHT DK GRN/ WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

4.3L ONLY 423 3 121 PNK WIRE ACCY BLK WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE BULB TEST DISTRIBUTOR (CENTER REAR OF ENGINE) DK BLU WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (FRONT OF ENGINE) GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK (BEHIND LEFT SIDE OF I/P) IGNITION COIL (CENTER REAR OF ENGINE) IGNITION SWITCH INSTRUMENT CLUSTER KNOCK SENSOR (4.3L ONLY) (REAR OF ENGINE) KNOCK SENSOR (RIGHT SIDE OF ENGINE, BELOW EXHAUST MANIFOLD) LINEAR EGR VALVE (4.3L W/ 4L60E, CALIF EMISS. ONLY) (RIGHT SIDE TOP OF ENGINE) LOCK OFF LT BLU/WHT WIRE LT GRN WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (RIGHT REAR TOP OF ENGINE) NCA WIRE ORG/ WIRE PNK WIRE PPL PPL 1 2 3 4 PPL 23 24 PPL/WHT WIRE RED WIRE RED/BLK WIRE RUN WIRE SERVICE ENGINE SOON INDICATOR TACHOMETER TEST LEAD TAN WIRE TAN/BLK WIRE TCC/BRAKE SWITCH (TOP OF BRAKE PEDAL BRACKET) THROTTLE POSITION SENSOR (RIGHT SIDE OF THROTTLE BODY) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

3-2 SHIFT SOLENOID ALL EXCEPT 5.7L W/ BLK WIRE BLK/WHT WIRE BRN OR TAN/BLK WIRE BRN WIRE DATA LINK CONNECTOR (UNDER LEFT SIDE OF I/P) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM-B MINI FUSE ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION FUEL PUMP AND SENDER FUEL PUMP OIL PRESSURE SWITCH (TOP REAR OF ENGINE NEAR DISTRIBUTOR) FUEL PUMP PRIME CONN- ECTOR FUEL PUMP RELAY (UNDERHOOD FUSE/RELAY CENTER) GRY WIRE HEATED OXYGEN SENSOR (IN EXHAUST Y-PIPE) HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK (BEHIND LEFT SIDE OF I/P) INSTRUMENT CLUSTER LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE OIL PRESS IN ONLY ORG/ WIRE PNK WIRE PPL PPL/WHT WIRE PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SHIFT SOLE- NOID 1-2 SHIFT SOLENOID 2-3 SOLENOID TACH IN TAN WIRE TAN/BLK BRN OR WIRE TAN/BLK WIRE TORQUE CONVERTER CLUTCH TRANS FUSE 20 TRANS- MISSION TEMP SENSOR UNDERHOOD FUSE/RELAY CENTER (LEFT REAR OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT REAR SIDE OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (UNDER RIGHT END OF I/P) VSS IN WHT WIRE WHT/BLK WIRE YEL/BLK WIRE