Chevrolet Chevy Express G1500 (1996-2012) pnk Wiring diagrams

2 6 3 1 CAN BUS HI LO REF CAN BUS LO 32 33 34 35 36 37 38 VEHICLE SPD SIG CAN BUS HI DATA 5.3L, 4.8L, 6.0L 4.3L ABS MDL FUSE 2 ABS MTR FUSE 1 BLK WIRE BLK/PPL WIRE BRK SW FUSE 13 BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIESEL DIESEL GASOLINE DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FUSE 29 GASOLINE GRY WIRE GRY/BLK WIRE HI SPD GMLAN DATA + HI SPD GMLAN DATA + B+ HI SPD GMLAN DATA- HI SPD GMLAN DATA- GND HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY 15 ENERGIZED IPC FUSE 10 LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON INSIDE OF LEFT FRONT WHEEL) LEFT REAR WHEEL SPEED SENSOR (WSS) (AT LEFT REAR WHEEL HUB) LF WHEEL SPD SENS LOW REF LOW REF LOW REF RF WHEEL SPD SENS LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON INSIDE OF RIGHT FRONT WHEEL) SERIAL DATA ENABLE B+ STEERING ANGLE SENS CAN BUS LO DATA STOP LAMP SWITCH (BEHIND LEFT SIDE OF DASH, ABOVE BRAKE PEDAL) STR/WHL/ SNSR TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SIGNAL WHT WIRE WHT/BLK WIRE YAW, LATERAL ACCELERATION SENSOR (UNDER FRONT PASSENGER SEAT) YEL WIRE YEL/BLK WIRE

3 21 DIMMING CTRL TRACTION SW 6 16 TCC BRAKE SIG PRK BRK SW ABS IND. BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRAKE BOOSTER FLUID FLOW ALARM SWITCH (IN POWER STEERING PUMP OUTLET HOSE) BRAKE FLUID LEVEL SWITCH (AT LEFT REAR OF ENGINE COMPT) BRAKE IND BRAKE PRESSURE DIFFERENTIAL SWITCH (ON BRAKE VALVE, NEAR FRONT OF EBCM) BRAKE WARNING INDICATOR CTRL BREAKOUT TOWARDS INSTRUMENT PANEL CLUSTER) BRK FLUID LEVEL SENSOR SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE GRY WIRE HEAVY DUTY IGN VOLT IGN VOLT STEERING SENS A STEERING SENS C INSTRUMENT PANEL CLUSTER (IPC) LIGHT DUTY LO SPD GMLAN LOGIC LOGIC STEERING WHEEL SPEED/ POSITION SENSOR (AT BASE OF STEERING COLUMN) LOW STABILITY IND LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE ORG/BLK WIRE PARK BRAKE SWITCH (UNDER LEFT PNK 7 3 5 6 2 4 1 8 WIRE PNK WIRE PPL RIGHT REAR WHEEL SPEED SENSOR (WSS) (AT RIGHT REAR WHEEL HUB) SERIAL DATA SIDE OF DASH) STEERING SENS B TAN WIRE TAN/WHT WIRE TRACTION CONTROL SWITCH VDC IND WHT WIRE YEL WIRE

11 12 LPS DIMMER SW SIG DIMMING VOLT REF 2 15 HEAD 8 17 PARK LAMPS SIG HEADLAMPS OFF SIG AUXILIARY BLOWER MOTOR SWITCH BATTERY POS VOLT BCM 3 FUSE 26 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN WIRE BRN/WHT WIRE CONNECTOR CONTROL DIMMING CTRL DK GRN WIRE DRIVER DOOR LOCK SWITCH DRIVER INFORMATION CENTER (DIC) SWITCH DRIVER WINDOW SWITCH FRONT AUXILIARY HVAC CONTROL ASSEMBLY HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES HVAC CONTROL ASSEMBLY IN FRONT HEADLINER HARNESS, 21 CM INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH (W/ MANUAL SUPPRESSION) LEFT STEERING WHEEL CONTROL SWITCH LPS DIMMING CTRL LT BLU WIRE OFF AUTO PARK ORG/ WIRE ORG/WHT WIRE PASSENGER DOOR LOCK (W/ POWER SWITCH MIRRORS, POWER WINDOWS) PASSENGER WINDOW SWITCH PNK CONTROL PNK WIRE PNK PNK W/O REDUNDANT RADIO STEERING WHEEL WIRE PNK WIRE RADIO RED WIRE RED/WHT WIRE RIGHT STEERING WHEEL CONTROL SWITCH STR WHL SNSR FUSE 17 TRACTION CONTROL SWITCH (TCS) (W/ ACTIVE BRAKE CONTROL) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ AUTOMATIC CRUISE CONTROL, REDUNDANT RADIO STEERING WHEEL CONTROL W/ AUTOMATIC ELECTRONIC CRUISE CONTROL W/ AUXILIARY HEATER W/O REAR A/C W/ ELECTRIC SIDE DOOR LOCK W/ ELECTRIC TOW/HAUL SWITCH SIDE DOOR LOCK W/ POWER OPERATED WINDOW W/ REAR W/O REAR AUXILIARY AUXILIARY CONTROLS CONTROLS W/ REDUNDANT RADIO STEERING WHEEL W/ RV UPFITTER W/O RADIO PROVISIONS W/O RV UPFITTER WHT WIRE 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) DISPLAY 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/CRNK RELAY 15 ENERGIZED I/P CLUSTER FUSE 23 IGN VOLT IND CTRL IND LAMP (MIL) INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 10 LEFT TURN IND LIFTGATE AJAR SW SIG LF DOOR AJAR SW RR DOOR OPEN SW LR DOOR OPEN SW LOGIC LOW ENGINE OIL PRESSURE GAUGE LOW FUEL IND LOW OIL LOW STABILITY IND LT BLU WIRE LT GRN WIRE MALFUNCTION MIL CTRL NETWORK 3 ODOMETER PARK BRAKE SWITCH (UNDER LEFT SIDE OF DASH) PASS SEAT BELT PASSENGER SEAT BELT IND PNK WIRE PNK/BLK WIRE PPL PPL PNK WIRE PRESSURE IND PRND 321 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 TIRE PRESSURE IND TOW/HAUL IND TRACTION CONTROL IND UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF VOLTS GAUGE W/ BRAKE WARNING INDICATOR SYSTEM W/ ODOMETER SECURITY WIRING PROVISION (SEO) W/O ODOMETER SECURITY WIRING PROVISION (SEO) WAIT TO START IND WHT WIRE YEL WIRE YEL/BLK WIRE

1589 2759 PPL 2759 1589 (OR 6049) 31 16 LOW REF SENS SIG PPL 4.3L 4.8L/5.3L/6.0L 6.6L 44 43 DATA BUS(-) DATA BUS(+) 50 41 36 35 SENS SIG 7 8 PPL 9 10 PPL BLK WIRE BLK/WHT WIRE BRN WIRE CARGO DOOR LATCH ASSEMBLY (W/ CARGO/PASSENGER) (IN RIGHT REAR CARGO DOOR) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER INFORMATION CENTER (DIC) SWITCH ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GRY WIRE GRY/BLK WIRE ILLUMI- NATION LEFT REAR SIDE DOOR JAMB SWITCH (W/ LEFT REAR HINGED DOOR) LOW REF PASSENGER DOOR LATCH ASSEMBLY (AT REAR OF FRONT PASSENGER DOOR) PERSON- ALIZATION VEHICLE INFO PNK WIRE PNK/BLK WIRE PPL PPL 2 3 PPL PNK WIRE RIGHT REAR DOOR JAMB SWITCH (W/ CARGO/PASSENGER) SENS SIG SENS SIG LOW REF SET/ RESET SWITCH SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRIP/ FUEL W/ BRAKE WARNING INDICATOR SYSTEM WATER IN-FUEL SENSOR WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LH AUDIO SIG (+) RH AUDIO SIG (+) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 B+ LF MID OUT (+) RF MID OUT (+) 1959 1955 LR MID OUT (-) RR MID OUT (-) 2 1 8 LO REF 658 1782 VOICE SIG DRAIN WIRE HI SPD GMLAN ANTENNA IN BATT POSITIVE VOLT BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BREAKOUT) BRN/WHT WIRE CELLULAR, DIGITAL RADIO ANTENNA CELLULAR/ NAVIGATION ANTENNA COAX COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CUTAWAY UPFITTER DIGITAL RADIO RECEIVER (LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GRY WIRE HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (AT TOP OF STEERING COLUMN) INFO LED DIMMING CTRL GND LF MID OUT (-) RF MID OUT (-) LEFT CARGO DOOR SPEAKER (IF EQUIPPED) LEFT FRONT SPEAKER LEFT REAR SPEAKER LH AUDIO SIG + RH AUDIO SIG + LO GMLAN SERIAL DATA LO REF LO SERIAL DATA LR MID OUT (+) RR MID OUT (+) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MUTE NCA WIRE ORG/ WIRE PASSENGER/ CARGO PNK WIRE RADIO RADIO ANTENNA RDO/ CHIME FUSE 20 RED/WHT WIRE RIGHT CARGO DOOR SPEAKER (IF EQUIPPED) RIGHT FRONT SPEAKER RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH SEEK DOWN SEEK UP SOURCE STEERING WHEEL CTRL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE USB CABLE USB CHARGE USB RECEPTACLE VEHICLE COMMUNICATION INTERFACE MODULE (VICM) (BELOW STEERING COLUMN) VOICE SIG VOL DOWN VOL UP W/ VEHICLE COMMUNICATION SYSTEM W/O VEHICLE COMMUNICATION SYSTEM WHT WIRE YEL WIRE

1-2 SHIFT SOLENOID (SS) VALVE 2-3 SHIFT SOLENOID (SS) VALVE 4.3L 5.3L AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR AUTOMATIC TRANSMISSION INPUT SHAFT SPEED (ISS) SENSOR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) GRY WIRE HI SPD GMLAN IND MIL INSTRUMENT PANEL CLUSTER (IPC) LO GM GMLAN LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MIL CTRL NCA WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION (PNP) SWITCH PARK/NEUTRAL SIGNAL PNK WIRE PRESSURE CONTROL (PC) SOLENOID VALVE RED WIRE REPLICATED TOS SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TORQUE CONVERTER CLUTCH (TCC) PULSE WIDTH MODULATION (PWM) SOLENOID VALVE TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE TOW/ HAUL IND TOW/HAUL SW SIG TOW/HAUL SWITCH WHT WIRE YEL WIRE YEL/BLK WIRE