Chevrolet Chevy Express G2500 (1996-2012) computer data lines system ppl Wiring diagrams

1 2 6 8 GND TCC PWM PC SOL HI PC SOL LO 1 8 17 18 19 20 32 33 34 40 53 57 58 59 60 72 74 75 79 80 GND 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 SHIFT SOLENOID 4.3L PNK PPL PPL 4.3L WIRE 5.0L, 5.7L 5.0L, 5.7L PNK WIRE A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH ABS RELAY, ELECTRONIC PWR BRAKE BOOSTER, BRAKE CTRL MODULE AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM PPL CRUISE CONTROL SYSTEM DK BLU WIRE ECMB FUSE ELECTRONIC BRAKE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FLUID TEMP SENSOR FUEL INJECTORS, IGNITION COIL PNK WIRE FUSE GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN HOT IN OFF, RUN, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT KICK PANEL) IGNITION CONTROL MODULE, FUEL INJECTORS, IGNITION COIL (4.3L) INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK PNK REV, LO WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (ON LEFT INNER FENDER PANEL) PPL PPL (DASH HARN, IN BREAKOUT TO POWER SEAT HARN) PPL PPL 5.0L, 5.7L (NEAR BREAKOUT TO PCM) PPL ANTI-LOCK BRAKES SYSTEM PPL (ENGINE HARN, AT BREAKOUT TO A/C COMP CLUTCH) PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE RUN WIRE TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID TCC SOLENOID TCC/BRAKE SWITCH (ON BRAKE PEDAL SUPPORT) THROTTLE POSITION SENSOR (LEFT SIDE OF THROTTLE BODY) TRANS FUSE 20 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (RIGHT SIDE OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

1 8 17 18 19 20 32 33 34 40 53 57 59 60 72 74 75 80 GND 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH ABS RELAY, POWER BRAKE BOOSTER, ELEC BRAKE CONTROL MODULE AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM PPL CRUISE CONTROL SYSTEM DK BLU WIRE DK BLU/WHT WIRE ECMB FUSE ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FLUID TEMP SENSOR FUEL INJECTORS, IGNITION COIL PNK WIRE FUSE GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN HOT IN OFF, RUN, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT KICK PANEL) IGNITION CONTROL MODULE, FUEL INJECTORS INPUT SHAFT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK (NEAR BREAKOUT TO DLC) WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (ON LEFT INNER FENDER PANEL) PPL PPL ANTI-LOCK BRAKES SYSTEM PPL PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV, LO RUN WIRE TCC PWM SOLENOID TCC/BRAKE SWITCH (ON BRAKE PEDAL SUPPORT) THROTTLE POSITION SENSOR (LEFT SIDE OF THROTTLE BODY) TRANS FUSE 20 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (RIGHT SIDE OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 6 8 GND TCC PWM PC SOL HI PC SOL LO 1 8 17 18 19 20 32 33 34 40 53 57 58 59 60 72 74 75 79 80 GND 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 SHIFT SOLENOID 4.3L PNK PPL PPL 4.3L WIRE 5.0L, 5.7L 5.0L, 5.7L PNK WIRE A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH ABS RELAY, ELECTRONIC PWR BRAKE BOOSTER, BRAKE CTRL MODULE AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM PPL CRUISE CONTROL SYSTEM DK BLU WIRE ECMB FUSE ELECTRONIC BRAKE CONTROL MODULE ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FLUID TEMP SENSOR FUEL INJECTORS, IGNITION COIL PNK WIRE FUSE GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN HOT IN OFF, RUN, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT KICK PANEL) IGNITION CONTROL MODULE, FUEL INJECTORS, IGNITION COIL (4.3L) INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK PNK REV, LO WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (ON LEFT INNER FENDER PANEL) PPL PPL (DASH HARN, IN BREAKOUT TO POWER SEAT HARN) PPL PPL 5.0L, 5.7L (NEAR BREAKOUT TO PCM) PPL ANTI-LOCK BRAKES SYSTEM PPL (ENGINE HARN, AT BREAKOUT TO A/C COMP CLUTCH) PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE RUN WIRE TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID TCC SOLENOID TCC/BRAKE SWITCH (ON BRAKE PEDAL SUPPORT) THROTTLE POSITION SENSOR (LEFT SIDE OF THROTTLE BODY) TRANS FUSE 20 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (RIGHT SIDE OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

1 8 17 18 19 20 32 33 34 40 53 57 59 60 72 74 75 80 GND 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH ABS RELAY, POWER BRAKE BOOSTER, ELEC BRAKE CONTROL MODULE AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM PPL CRUISE CONTROL SYSTEM DK BLU WIRE DK BLU/WHT WIRE ECMB FUSE ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FLUID TEMP SENSOR FUEL INJECTORS, IGNITION COIL PNK WIRE FUSE GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN HOT IN OFF, RUN, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT KICK PANEL) IGNITION CONTROL MODULE, FUEL INJECTORS INPUT SHAFT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) INSTRUMENT PANEL CLUSTER (IPC) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK (NEAR BREAKOUT TO DLC) WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (ON LEFT INNER FENDER PANEL) PPL PPL ANTI-LOCK BRAKES SYSTEM PPL PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV, LO RUN WIRE TCC PWM SOLENOID TCC/BRAKE SWITCH (ON BRAKE PEDAL SUPPORT) THROTTLE POSITION SENSOR (LEFT SIDE OF THROTTLE BODY) TRANS FUSE 20 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (RIGHT SIDE OF TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE

ANTENNA BASE BLK WIRE BREAKOUT) BREAKOUT, TOWARD REAR DOME LAMP BREAKOUT) BRN WIRE COMPUTER DATA LINES SYSTEM PPL CONVENIENCE CENTER (LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE FROM POWER WINDOW MOTOR BREAKOUT) FROM THE POWER WINOW BREAKOUT TOWARDS THE RADIO SPEAKER BREAKOUT) GRY WIRE HOT AT ALL TIMES HOT IN ACC OR RUN I/P FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT FRONT DOOR TWEETER SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR SPEAKER LR SPEAKER (+) LR SPEAKER (-) RF SPEAKER (-) RF SPEAKER (+) DIMMING SIG LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORN/ PNK WIRE POWER ANTENNA SYSTEM POWER WINDOW BREAK- PPL CLASS 2 DATA PPL/WHT WIRE PREMIUM RADIO RADIO I FUSE 17 RADIO-B FUSE 19 RED WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT DOOR TWEETER SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR SPEAKER TAN WIRE W/ UPFITTER W/O UPFITTER WINDOW SWITCH BREAKOUT, YEL WIRE