Chevrolet Chevy Express G1500 (1996-2012) blk/wht Wiring diagrams

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

2 3 11 13 DATA BUS (-) DATA BUS (+) 2 3 DATA BUS (+) DATA BUS (-) 2 3 SERIAL DATA SERIAL DATA 5 4 6 7 157 147 167 177 DATA BUS (+) DATA BUS (-) DATA BUS (-) DATA BUS (+) 6 5 DATA BUS (-) DATA BUS (+) 6.6L 4.8L, 5.3L, 6.0L 4.3L ACC WAKE UP SERIAL DATA DATA BUS (+) DATA BUS (-) BLK/WHT WIRE CHIME MODULE (BEHIND LEFT CENTER OF DASH) CUTAWAY DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DATA LINK RESISTOR DIGITAL RADIO RECEIVER (S-BAND DIGITAL AUDIO SYSTEM) (LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER LEFT FRONT SEAT) INSTRUMENT PANEL CLUSTER (IPC) LIGHT DUTY W/O RECREATIONAL VEHICLE, UPFITTER SALES PACKAGE LT GRN WIRE LTR/DLC FUSE 73 NITROGEN OXIDES SENSOR 1 (TOP LEFT REAR SIDE OF ENGINE) NITROGEN OXIDES SENSOR 2 (MIDDLE OF DIESEL PARTICULATE FILTER) RADIO RED WIRE RED/WHT WIRE REDUCTANT SENSOR MODULE (ABOVE REDUCTANT TANK) REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (IF EQUIPPED) (BEHIND CENTER OF DASH) SERIAL DATA SPLICE PACK TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/O RADIO WHT 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

4.3L/6.6L 4.8L/5.3L/6.0L 4.8L/5.3L/6.0L AT GROUND TO LPG BYPASS SOLENOID) W/ 3 TANK VEHICLE KIT, LPG AUXILIARY BATTERY BATTERY BATTERY CURRENT SENSOR (EXCEPT 6.6L) BLK WIRE BLK/WHT WIRE CM FROM W/ 4 TANK VEHICLE KIT, LPG CONNECTOR GROUND TO LPG CONTROL MODULE, WAIT TO START LAMP) IGNITION COIL 6 IGNITION COIL 8 IGNITION IGNITION COIL 3 COIL 1 IGNITION IGNITION COIL 4 COIL 2 IGNITION IGNITION COIL 7 COIL 5 INDICATOR LEFT FRONT MARKER LAMP LEFT PARK/TURN SIGNAL LAMP LPG BYPASS SOLENOID LPG CONTROL MODULE LPG SECONDARY PRIMARY CONTROL FUEL LEVEL FUEL LEVEL MODULE SENSOR SENSOR NCA WIRE PRIMARY FUEL LEVEL SENSOR RUN/ CRNK RELAY UNDERHOOD FUSE BLOCK CRNK PUMP (ON LEFT PCB RELAY RELAY SIDE OF ENGINE COMPT) W/ 4 TANK COMPLETE VEHICLE KIT WAIT TO WINDSHIELD WIPER MOTOR WPR PCB WIPER WIPER RELAY HI DIODE DIODE

4.3L 4.3L/5.3L 4.8L 6.0L 5.3L W/ HD TRUCK TRAILER W/O BACKUP ALARM 6.6L 6.6L 6.6L BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BREAKOUT) CNG CONTROL MODULE CONNECTOR BREAKOUT) CONTROL SOLENOID VALVE ASSEMBLY COOLANT FUEL HEATER HEATER COOLANT HEATER FUEL PUMP ENGINE CONTROL MODULE (ECM) EXCEPT 5.3L W/ HD TRUCK TRAILER 4.8L, 6.OL, 4.3L W/O HD TRUCK TRAILER EXCEPT 5.3L W/ HD TRUCK TRAILER, BACKUP ALARM EXHAUST GAS RECIRCULATION (EGR) VALVE SHIELD FUEL FILTER PRESSURE SWITCH FUEL PRESSURE REGULATOR 1 SHIELD FUEL PRESSURE REGULATOR 2 SHIELD FUEL PUMP, SENDER ASSEMBLY GLOW PLUG CONTROL MODULE (GPCM) INTAKE (BLUNT AIR CUT) VALVE SHIELD SHIELD LPG CUT OFF FUEL SOLENOID PUMP VALVE NCA WIRE REDUCTANT PUMP REDUCTANT REDUCTANT LINE HEATER TANK HEATER REDUCTANT SENSOR MODULE SECONDARY PRIMARY LPG PUMP LPG PUMP ASSEMBLY ASSEMBLY TRAILER CONNECTOR W/ 3 TANK COMPLETE VEHICLE KIT, LPG W/ 4 TANK COMPLETE VEHICLE KIT W/ CARGO 6.6L, EXCEPT 5.3L W/ HD TRUCK TRAILER, BACKUP ALARM W/ DEDICATED CNG W/ FUEL FIRED 6.6L AUXILIARY HEATER W/O DEDICATED CNG WHT WIRE WHT/ BLK WIRE

AIR TEMPERATURE ACTUATOR AUTOMATIC TRANSMISSION SHIFT LOCK CONTROL SOLENOID BCK/UP LAMP PCB BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) CARGO DR UNLCK PCB CENTER CONSOLE 2 ACCESSORY POWER OUTLET CONNECTOR DATA LINK CONNECTOR (DLC) DRIVER INFORMATION CENTER (DIC) SWITCH DRVR DR UNLCK PCB ELECTRONIC COMPASS MODULE FTR REAR DR LCK PCB FTR REAR PASS DR UNLCK PCB HEADLAMP, PANEL DIMMER SWITCH HEAVY DUTY HORN SWITCH HVAC CONTROL ASSEMBLY INFLATABLE RESTRAINT FRONT PASSENGER PRESENCE SYSTEM (PPS) SENSOR INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INFLATABLE RESTRAINT I/P MODULE INDICATOR INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INFLATABLE RESTRAINT VEHICLE ROLLOVER SENSOR INSTRUMENT PANEL CLUSTER (IPC) LEFT STEERING WHEEL CONTROL SWITCH LIGHT DUTY REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) RIGHT STEERING WHEEL CONTROL SWITCH RUN WIRE RV UPFITTER STEERING WHEEL SPEED/ POSITION SENSOR THEFT DETERRENT MODULE TOW/ HAUL SWITCH TOWARDS INSTRUMENT CLUSTER PANEL) TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ AUTOMATIC ELECTRONIC CRUISE CONTROL W/ ELECTRIC SIDE DOOR LOCK CONTROL W/ REAR WINDOW DEFOGGER, POWER MIRRORS W/ REDUNDANT RADIO STEERING WHEEL CONTROL W/ REMOTE KEYLESS ENTRY, LOW TIRE PRESSURE INDICATOR W/ VECHICLE COMMUNICATION SYSTEM W/O MANUAL SUPPRESSION SWITCH, RV UPFITTER W/O VECHICLE COMMUNICATION SYSTEM WHT WIRE WINDSHIELD WASHER FLUID PUMP WINDSHIELD WIPER MOTOR

19 CM FROM LEFT FRONT DOME FLUORESCENT WORK LAMP CONNECTOR) 30 CM FROM PASSENGER 42 CM FROM LEFT FRONT SIDE FRONT ACCESS PANEL ACTUATOR) AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY BLOWER MOTOR BLK WIRE BLK/WHT WIRE BREAKOUT) CARGO DOOR LATCH CARGO DOOR LOCK SWITCH CENTER HIGH MOUNTED STOP LAMP (CHMSL) DOME LAMP ELECTRONIC BRAKE CONTROL MODULE (EBCM) FRONT CARGO FLUORESCENT WORK LAMP FUEL FILTER PRESSURE SWITCH LEFT LEFT REAR REAR WINDOW WINDOW DEFOGGER DEFOGGER GRID GRID LEFT REAR SIDE FRONT ACCESS PANEL ACTUATOR LEFT REAR SIDE REAR ACCESS PANEL ACTUATOR W/ AUXILIARY HEATER W/O REAR A/C LEFT TAIL/STOP LEFT BACKUP TURN SIGNAL LAMP LAMP LICENSE LAMP MIDDLE DOME/ READING LAMPS NCA WIRE REAR AUXILIARY HVAC CONTROL ASSEMBLY REAR CARGO FLUORESCENT WORK LAMP REAR DOME READING LAMPS RIGHT ACCESS PANEL FLUORESCENT WORK LAMP RIGHT BACKUP LAMP RIGHT PARK/TURN SIGNAL LAMP RIGHT REAR WINDOW DEFOGGER GRID RIGHT SIDE FRONT ACCESS PANEL ACTUATOR RIGHT TAIL/STOP, TURN SIGNAL LAMP SWING OUT REAR DOOR WINDOW STATIONARY REAR DOOR WINDOW W/ AUXILIARY HEATER, REAR A/C W/ AUXILIARY HEATER, REAR A/C, REAR WINDOW DEFOGGER W/ CARGO LAMPS W/ ELECTRIC SIDE DOOR LOCK CONTROL W/ REAR A/C W/ REAR A/C, SWB W/ REAR WINDOW DEFOGGER W/O ACTIVE BRAKE CONTROL W/ ACTIVE BRAKE CONTROL W/O AUXILIARY HEATER, REAR A/C W/O ELECTRIC SIDE DOOR LOCK CONTROL W/O REAR WINDOW DEFOGGER WHT 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 18 25 COURTESY LP CTRL COURTESY LP CTRL DEFEAT SW SIG 149 (OR 690) 20 CM FROM RIGHT SUNSHADE BREAKOUT) BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) CARGO CARGO DOOR LATCH ASSEMBLY (IN RIGHT REAR CARGO DOOR) CARGO/PASSENGER COURTESY LP CTRL CTSY LP CTRL DK BLU WIRE DK BLU/WHT WIRE DOME DOME READING FL DOME RLY CTRL FRONT DOME/ READING LAMPS GRY WIRE GRY/BLK WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES LEFT SUNSHADE LIFTGATE AJAR SW SIG MIDDLE DOME/ READING LAMPS ORG/ WIRE PASSENGER PASSENGER/CARGO W/O RV UPFITTER PNK/BLK WIRE PPL PROVISIONAL READING REAR DOME/ READING LAMPS (PASSENGER) DOME LAMP (CARGO) RED WIRE RIGHT SUNSHADE (ON UPPER RIGHT OF HEADLINER) TAN/WHT WIRE THE ENGINE BLOCK) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD LAMP UPFTR AUX 1 FUSE 36 (W/ CUTAWAY, AMBULANCE, RV UPFITTERS) UPFTR CTSY LAMPS FUSE 4 UPFTR CTSY LAMPS PCB RELAY (W/ AMBULANCE, RV UPFITTER) W/ COMMERCIAL TRADESMAN SALES PACKAGE, CARGO LAMP W/ CUTAWAY W/ CUTAWAY, CARGO W/O RV UPFITTER W/ LEFT, RIGHT SUNSHADE MIRROR W/ RV UPFITTER W/ RV UPFITTER, LEFT, RIGHT SUNSHADE MIRROR W/O RV UPFITTER W/O RV W/ RV UPFITTER UPFITTER WHT WIRE YEL/BLK WIRE