Chevrolet Chevy Express G2500 (1996-2012) abs ind. Wiring diagrams

ABS FUSE ABS IND. BATTERY SIGNAL GROUND BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH (ON LEFT FRAME RAIL, NEAR CENTER OF VEHICLE) BRN WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DK GRN WIRE GAUGES FUSE 4 HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK (ON LEFT LOWER KICK PANEL) IGNITION ABS IND GROUND BRAKE SW INPUT INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN ENGINE COMPT, ON LEFT INNER FENDER) PPL PPL PPL 1807 680 PPL/WHT WIRE RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SENSOR HIGH SENSOR HIGH SENSOR LOW SENSOR LOW 873 833 TAN WIRE TAN/WHT WIRE TCC/STOPLAMP SWITCH (BEHIND DASH, ON BRAKE PEDAL SUPPORT) UNDERHOOD FUSE/RELAY CENTER UNDERHOOD FUSE/RELAY CENTER (ON LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON SIDE OF TRANSMISSION) VSS VSS SIG VSS SIG DIAGNOSTIC SIG SERIAL DATA BRAKE IND INPUT EBCM GROUND WARNING SYSTEMS YEL WIRE YEL/BLK WIRE

ABS FUSE ABS IND. BATTERY SIGNAL GROUND BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH (ON LEFT FRAME RAIL, NEAR CENTER OF VEHICLE) BRN WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DK GRN WIRE GAUGES FUSE 4 HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK (ON LEFT LOWER KICK PANEL) IGNITION ABS IND GROUND BRAKE SW INPUT INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN ENGINE COMPT, ON LEFT INNER FENDER) PPL PPL PPL 1807 680 PPL/WHT WIRE RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SENSOR HIGH SENSOR HIGH SENSOR LOW SENSOR LOW 873 833 TAN WIRE TAN/WHT WIRE TCC/STOPLAMP SWITCH (BEHIND DASH, ON BRAKE PEDAL SUPPORT) UNDERHOOD FUSE/RELAY CENTER UNDERHOOD FUSE/RELAY CENTER (ON LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON SIDE OF TRANSMISSION) VSS VSS SIG VSS SIG DIAGNOSTIC SIG SERIAL DATA BRAKE IND INPUT EBCM GROUND WARNING SYSTEMS YEL WIRE YEL/BLK WIRE

ABS FUSE ABS IND. BATTERY SIGNAL GROUND BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH (ON LEFT FRAME RAIL, NEAR CENTER OF VEHICLE) BRN WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DK GRN WIRE GAUGES FUSE 4 HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK (ON LEFT LOWER KICK PANEL) IGNITION ABS IND GROUND BRAKE SW INPUT INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN ENGINE COMPT, ON LEFT INNER FENDER) PPL PPL PPL 1807 680 PPL/WHT WIRE RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SENSOR HIGH SENSOR HIGH SENSOR LOW SENSOR LOW 873 833 TAN WIRE TAN/WHT WIRE TCC/STOPLAMP SWITCH (BEHIND DASH, ON BRAKE PEDAL SUPPORT) UNDERHOOD FUSE/RELAY CENTER UNDERHOOD FUSE/RELAY CENTER (ON LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON SIDE OF TRANSMISSION) VSS VSS SIG VSS SIG DIAGNOSTIC SIG SERIAL DATA BRAKE IND INPUT EBCM GROUND WARNING SYSTEMS YEL WIRE YEL/BLK WIRE

2 12 PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) ABS FUSE ABS IND. BATTERY SIGNAL GROUND BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH (ON LEFT FRAME RAIL, NEAR CENTER OF VEHICLE) BRN WIRE DAYTIME RUNNING LAMP CONTROL MODULE (UNDER LEFT SIDE OF DASH) DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (ON LEFT FRAME RAIL NEAR CENTER OF VEHICLE) GAUGES FUSE 4 HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK (ON LEFT LOWER KICK PANEL) IGNITION ABS IND GROUND BRAKE SW INPUT INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR RIGHT FRONT WHEEL SPEED SENSOR LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE PASSLOCK MODULE (BELOW CENTER OF DASH) PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (BEHIND CENTER OF DASH) PPL PPL PPL 1807 680 PPL SERIAL DATA PPL/WHT WIRE RED WIRE SENSOR HIGH SENSOR HIGH SENSOR LOW SENSOR LOW 873 833 SERIAL DATA TAN WIRE TAN/WHT WIRE TCC/ STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT) UNDERHOOD FUSE/RELAY CENTER UNDERHOOD FUSE/RELAY CENTER (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER MODULE (UNDER GLOVE BOX) VSS VSS SIG VSS SIG DIAGNOSTIC SIG SERIAL DATA BRAKE IND INPUT EBCM GROUND WARNING SYSTEMS YEL WIRE YEL/BLK WIRE

ABS FUSE ABS IND. BATTERY SIGNAL GROUND BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH (ON LEFT FRAME RAIL, NEAR CENTER OF VEHICLE) BRN WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DK GRN WIRE GAUGES FUSE 4 HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK (ON LEFT LOWER KICK PANEL) IGNITION ABS IND GROUND BRAKE SW INPUT INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR RIGHT FRONT WHEEL SPEED SENSOR LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE PNK WIRE PPL PPL PPL PPL/WHT WIRE RED WIRE SENSOR HIGH SENSOR HIGH SENSOR LOW SENSOR LOW TAN WIRE TAN/WHT WIRE TCC/STOPLAMP SWITCH (BEHIND DASH, ON BRAKE PEDAL SUPPORT) UNDERHOOD FUSE/RELAY CENTER UNDERHOOD FUSE/RELAY CENTER (ON LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON SIDE OF TRANSMISSION) VEHICLE SPEED SENSOR (VSS) BUFFER (BELOW DASH, NEAR STEERING COLUMN) VSS VSS SIG VSS SIG DIAGNOSTIC SIG SERIAL DATA BRAKE IND INPUT EBCM GROUND WARNING SYSTEMS YEL WIRE YEL/BLK WIRE

2 12 PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) ABS FUSE ABS IND. BATTERY SIGNAL GROUND BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH (ON LEFT FRAME RAIL, NEAR CENTER OF VEHICLE) BRAKE SW OUTPUT BREAKOUT TOWARD EGR SENSOR BREAKOUT) BRN WIRE CRUISE CONTROL SYSTEM DAYTIME RUNNING LAMP CONTROL MODULE (UNDER LEFT SIDE OF DASH) DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (ON LEFT FRAME RAIL NEAR CENTER OF VEHICLE) ENGINE CONTROL SYSTEM GAUGES FUSE 4 HOT AT ALL TIMES HOT IN RUN HOT IN RUN AND START I/P FUSE BLOCK (ON LEFT LOWER KICK PANEL) IGNITION ABS IND GROUND BRAKE SW INPUT INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR RIGHT FRONT WHEEL SPEED SENSOR LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE PASSLOCK MODULE (BELOW CENTER OF DASH) PNK WIRE PPL PPL PPL 1807 680 PPL SERIAL DATA PPL/WHT WIRE RED WIRE SENSOR HIGH SENSOR HIGH SENSOR LOW SENSOR LOW 873 833 TAN WIRE TAN/WHT WIRE TCC/ STOPLAMP SWITCH (ON BRAKE PEDAL SUPPORT) UNDERHOOD FUSE/RELAY CENTER UNDERHOOD FUSE/RELAY CENTER (LEFT SIDE OF ENGINE COMPT) VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VEHICLE SPEED SIG VSS VSS SIG BRAKE LAMP IND OUT SERIAL DATA LINE BRAKE IND INPUT EBCM GROUND WARNING SYSTEMS WARNINGS SYSTEM YEL WIRE YEL/BLK WIRE

ABS FUSE ABS IND. BATTERY SIGNAL GROUND BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH (ON LEFT FRAME RAIL, NEAR CENTER OF VEHICLE) BRN WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DK GRN WIRE GAUGES FUSE 4 HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK (ON LEFT LOWER KICK PANEL) IGNITION ABS IND GROUND BRAKE SW INPUT INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (IN ENGINE COMPT, ON LEFT INNER FENDER) PPL PPL PPL 1807 680 PPL/WHT WIRE RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SENSOR HIGH SENSOR HIGH SENSOR LOW SENSOR LOW 873 833 TAN WIRE TAN/WHT WIRE TCC/BRAKE SWITCH (BEHIND DASH, ON BRAKE PEDAL SUPPORT) UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON SIDE OF TRANSMISSION) VEHICLE SPEED SENSOR (VSS) MODULE (BELOW DASH, NEAR STEERING COLUMN) VSS VSS SIG VSS SIG DIAGNOSTIC SIG SERIAL DATA BRAKE IND INPUT EBCM GROUND W/ 6.5L W/O 6.5L WARNING SYSTEMS YEL WIRE YEL/BLK WIRE

16 6 PRK BRK SW TCC BRAKE SIG 5.3L 4.3L 6.6L ABS IND. ABS MDL FUSE 60 ABS MTR FUSE 61 B+ SERIAL DATA ENABLE VEHICLE SPD SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRAKE IND BREAKOUT TOWARDS INSTRUMENT PANEL CLUSTER) BRK SW FUSE 32 COMPUTER DATA LINES SYSTEM DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GND HI SPD GMLAN BUS - HI SPD GMLAN BUS - HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED INSTRUMENT PANEL CLUSTER (IPC) IP CLSTR FUSE 30 LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON INSIDE OF LEFT FRONT WHEEL) LF WHEEL SPEED SENS LOW REF LO SPD GMLAN LOGIC LT BLU WIRE LT BLU/WHT WIRE OF DASH, ABOVE BRAKE PEDAL) PARK BRAKE SWITCH (UNDER LEFT PNK WIRE RED/BLK WIRE RED/WHT WIRE RF WHEEL SPD SENS LOW REF GND RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON INSIDE OF RIGHT FRONT WHEEL) SERIAL DATA SIDE OF DASH) STOP LAMP SWITCH (BEHIND LEFT SIDE TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) YEL WIRE YEL/BLK WIRE

23 3 SERIAL DATA BELT SW 7 63 5 VOLT REF LOW REF ABS IND. AIR BAG IND BATTERY IND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER RIGHT SIDE OF DASH) BRAKE IND BRAKE WARNING IND CONTROL BATT VOLTAGE GROUND GROUND IGN VOLTAGE SERIAL DATA BRN WIRE BRN/WHT WIRE CHECK GAGES IND. CLASS 2 (BCM) CLASS 2 (EBCM) CLASS 2 (PCM) CLASS 2 (SDM) COMPUTER DATA LINES SYSTEM CRUISE IND DIMMING DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRL IND ECT SENS ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMP ENGINE COOLANT TEMPERATURE SENSOR (LEFT SIDE OF ENGINE) ENGINE OIL LEVEL SWITCH (4.8L, 5.3L, 6.0L) (RIGHT SIDE OF OIL PAN) ENGINE OIL PRESSURE SENSOR (TOP REAR OF ENGINE) FUEL GAUGE FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GROUND GRY WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START IGN IGN CLASS 2 (PCM) IGN CLASS 2 (PCM) IGN CLASS 2 (PCM) IGN CLASS 2 (PCM) IGN VOLT SIG IGN E FUSE 22 ILLUMINATION (6 BULBS) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER LEFT FRONT SEAT) INSTRUMENT PANEL CLUSTER IPC FUSE 31 LCD DISPLAY 000000 TRIP LEFT FRONT SEAT BELT SWITCH (IN LEFT FRONT SEAT BELT LATCH) LEFT TURN IND LH FRT TURN SIG SUP VOLT LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION IND LAMP MIL CTRL MIL SIGNAL OFF OIL PRESS OIL PRESS (RIGHT REAR OF ENGINE) OIL PRESSURE OIL PRESSURE IND P R N D 3 2 1 PARK BRAKE PARK BRAKE SWITCH (UNDER LEFT SIDE OF DASH) PNK WIRE POWER BRAKE BOOSTER FLUID PRESSURE ALARM SWITCH (IN BOOSTER INLET HOSE) POWERTRAIN CONTROL MODULE (IN ENGINE COMPT, ON LEFT INNER FENDER) PPL FUEL LEVEL RED/WHT WIRE RH FRT TURN SIG SUP VOLT RIGHT TURN IND SEAT BELT IND SECURITY IND SERIAL DATA SPEEDOMETER SPLICE PACK TAN WIRE TAN/WHT WIRE TOW/HAUL IND TRACTION CONTROL IND'S TRIP RESET SWITCH TRIP RESET SWN SIGNAL GROUND UNDERHOOD FUSE BLOCK (IN ENGINE COMPT, ATTACHED TO LEFT FRONT FENDER) VOLTMETER W/ PWR SEAT W/O PWR SEAT YEL WIRE

ABS IND. AIR BAG IND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRAKE IND BRN WIRE BRN/WHT WIRE CHARGE IND CMPS FUSE 19 COMPUTER DATA LINES SYSTEM CRUISE IND DIESEL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) ENGINE COMPT) ENGINE CONTROLS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE FRONT SEAT) FUEL GAUGE GMLAN SERIAL GRY/BLK WIRE HIGH BEAM IND HOT AT ALL TIMES HOT W/ RUN RELAY HOT W/ RUN/CRANK RELAY 15 ENERGIZED IGN VOLT IND CTRL IND LAMP (MIL) INSTRUMENT PANEL CLUSTER (IPC) IP CLSTR FUSE 10 IP CLSTR FUSE 23 LEFT TURN IND LIFTGATE AJAR SW SIG LF DOOR AJAR SW RR DOOR OPEN SW LR DOOR OPEN SW LOGIC LOW ENGINE OIL LOW ENGINE OIL PRESSURE GAUGE LOW TIRE PRESSURE IND LT BLU WIRE LT GRN WIRE MALFUNCTION MIL CTRL NETWORK 3 ODOMETER PARK BRAKE SWITCH (UNDER LEFT SIDE OF DASH) PASS SEAT BELT PNK WIRE PNK/BLK WIRE PPL PPL PNK WIRE PRESSURE IND RED/WHT WIRE RF DOOR AJAR SW RIGHT TURN IND SEAT BELT IND SECURITY IND SEO FUSE 27 SPEEDOMETER SUPPLEMENTAL RESTRAINTS SYSTEM SW SIG SWITCH SIG TAN/WHT WIRE TOW/HAUL IND TRACTION CONTROL IND UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF VOLTS GAUGE W/ ODOMETER SECURITY WIRING PROVISION (SEO) W/O ODOMETER SECURITY WIRING PROVISION (SEO) WAIT TO START IND WHT WIRE YEL WIRE YEL/BLK WIRE