Chevrolet Chevy Express G1500 (1996-2012) ignition coil, fuel injectors Wiring diagrams

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID 3-2 DOWNSHIFT SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BATTERY IN BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE CRUISE CONTROL MODULE DATA LINK CONNECTOR (PARTIAL) (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE ECM-B FUSE ECT SENS INPUT ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL INJECTORS (4.3L, 5.0L, 5.7L) FUEL PUMP RELAY, FUEL PUMP SWITCH GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN OFF, RUN OR START HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK IGNITION COIL, FUEL INJECTORS IGNITION IN PNK IGNITION IN WIRE INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL PPL BRAKE SWITCH INPUT PPL DATA CLASS II ORG/ WIRE PCM GROUND PCS SOL LO OUT PNK PNK WIRE PNK WIRE PPL PPL HI PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RANGE SIGNAL "B" PNK RANGE SIGNAL "A" WIRE RED WIRE RED/BLK WIRE SENSOR GROUND SENSOR RETURN TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC PWM SOLENOID TCC SOL TCC SOLENOID TCC/ABS/ CRUISE SWITCH TCC/STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT) THROTTLE POSITION SENSOR (ON THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS FUSE 20 TRANS TEMP SIG IN TWISTED WIRE PAIR UNDERHOOD FUSE/RELAY CENTER ECM-1 FUSE VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VSS HI VSS LO WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID 3-2 DOWNSHIFT SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BATTERY IN BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE CRUISE CONTROL MODULE DATA LINK CONNECTOR (PARTIAL) (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE ECM-B FUSE ECT SENS INPUT ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL INJECTORS (4.3L, 5.0L, 5.7L) FUEL PUMP RELAY, FUEL PUMP SWITCH GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN OFF, RUN OR START HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK IGNITION COIL, FUEL INJECTORS IGNITION IN PNK IGNITION IN WIRE INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL PPL BRAKE SWITCH INPUT PPL DATA CLASS II ORG/ WIRE PCM GROUND PCS SOL LO OUT PNK PNK WIRE PNK WIRE PPL PPL HI PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RANGE SIGNAL "B" PNK RANGE SIGNAL "A" WIRE RED WIRE RED/BLK WIRE SENSOR GROUND SENSOR RETURN TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC PWM SOLENOID TCC SOL TCC SOLENOID TCC/ABS/ CRUISE SWITCH TCC/STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT) THROTTLE POSITION SENSOR (ON THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS FUSE 20 TRANS TEMP SIG IN TWISTED WIRE PAIR UNDERHOOD FUSE/RELAY CENTER ECM-1 FUSE VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VSS HI VSS LO WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID 3-2 DOWNSHIFT SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BATTERY IN BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE CRUISE CONTROL MODULE DATA LINK CONNECTOR (PARTIAL) (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE ECM-B FUSE ECT SENS INPUT ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUEL INJECTORS (4.3L, 5.0L, 5.7L) FUEL PUMP RELAY, FUEL PUMP SWITCH GAUGES FUSE 4 GRY WIRE HOT AT ALL TIMES HOT IN OFF, RUN OR START HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK IGNITION COIL, FUEL INJECTORS IGNITION IN PNK IGNITION IN WIRE INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL PPL BRAKE SWITCH INPUT PPL DATA CLASS II ORG/ WIRE PCM GROUND PCS SOL LO OUT PNK PNK WIRE PNK WIRE PPL PPL HI PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RANGE SIGNAL "B" PNK RANGE SIGNAL "A" WIRE RED WIRE RED/BLK WIRE SENSOR GROUND SENSOR RETURN TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PWM SOL TCC PWM SOLENOID TCC SOL TCC SOLENOID TCC/ABS/ CRUISE SWITCH TCC/STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT) THROTTLE POSITION SENSOR (ON THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS FUSE 20 TRANS TEMP SIG IN TWISTED WIRE PAIR UNDERHOOD FUSE/RELAY CENTER ECM-1 FUSE VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VSS HI VSS LO WHT WIRE YEL WIRE YEL/BLK WIRE