Chevrolet Express G2500 (2013-2013) gry/blk 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 DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FUSE 29 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 MULTI-AXIS ACCELERATION SENSOR (ON FLOOR BETWEEN FRONT SEATS) ORG/ WIRE ORG/BLK WIRE PNK 3 4 5 WIRE PNK WIRE RADIO RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON INSIDE OF RIGHT FRONT WHEEL) SERIAL DATA ENABLE B+ SPD SIG VEHICLE 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 YEL WIRE

4.3L/5.3L ACCESSORY WAKEUP SERIAL DATA TRUNK RELEASE CTRL RUN/CRANK RLY COIL CTRL BCM 1 FUSE 59 BCM 2 FUSE 58 BCM 3 FUSE 26 BCM 4 FUSE 9 BCM 5 FUSE 7 BCM 6 FUSE 72 BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM CRUISE CTRL DIMM SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EXTERIOR LIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM WIPER/WASHER SYSTEM GRY WIRE GRY/BLK WIRE HEADLIGHTS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM LT BLU WIRE LT GRN WIRE ORG/ WIRE ORG/WHT WIRE PNK/BLU WIRE PPL HDLP LOW BEAM CTRL FRONT PASS DR LK SW CTRL RED/WHT WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ COMMERCIAL TRADESMAN SALES PACKAGE, CARGO LAMP W/O COMMERCIAL TRADESMAN SALES PACKAGE, CARGO LAMP WINDSHIELD WASHER RLY CTRL HDLP HIGH BEAM RLY CTRL HOOD AJAR SW SIG WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM ANTI-THEFT SYSTEM YEL WIRE

1 2 PNK IGN VOLT WIRE 149 (OR 690) AMBIENT LIGHT SENS SIG HDLP ON SIG ANTI-LOCK BRAKES SYSTEM EXTERIOR LIGHTS SYSTEM ANTI-THEFT SYSTEM INSTRUMENT CLUSTER SYSTEM BCM 7 FUSE 8 BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CHMSL CTRL COURTESY LAMP CTRL CRUISE CONTROL SYSTEM CRUISE CONTROL, SOUND SYSTEMS CRUISE CTRL SW SIG CURRENT SENS SIG LO REF IGN VOLT DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS AIR CONDITIONING SYSTEM DRV DOOR LOCK SW UNLOCK SIG DRV DOOR LOCK SW LOCK SIG DRV DR LOCK RLY UNLOCK CTRL DRV DR LOCK RLY UNLOCK CTRL PASS DOOR LOCK SW LOCK CTRL GRY WIRE GRY/BLK WIRE HDLP LOW BEAM RLY CTRL PARK LAMP CTRL HDLP OFF SIG COURTESY LAMPS CTRL HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HORN RLY CTRL HORNS SYSTEM HOT AT ALL TIMES IGN VOLT BKUP LP SPLY VOLT HOOD CLD SW SIG PARK BRAKE SW SIG IGNITION SWITCH KEY-IN SWITCH LF DOOR OPEN SW SIG A/C REQUEST SIGNAL LF TURN SIG LAMP CTRL STOP LAMPS CTRL TCC BRAKE SIG LIFTGATE AJAR SW SIG LOW REF WIPER LOW SW SIG LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE NAVIGATION SYSTEM OFF ORG/ WIRE ORG/BLK WIRE PARK LAMPS SIG PASS DOOR LOCK SW LOCK CTRL PNK 12 VOLT REF WIRE PNK IGN VOLT L TURN HAZ SW SIG R TURN HAZ SW SIG WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL DEFEAT SW SIG REAR ACCESS OPEN SW SIG RED/WHT WIRE RF DOOR AJAR SW SIG PASS DR LOCK SW UNLOCK CTRL LF DOOR AJAR SW SIG RR DOOR OPEN SW SIG LR DOOR OPEN SW SIG RF DOOR OPEN SW SIG RUN WIRE STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CTRL SW SIG BACKUP LAMP RLY CTRL UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE WIPER SW SIG 2 FRONT WIND WIPER SW HI SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM SOUND SYSTEMS YEL WIRE YEL/BLK WIRE

1 2 3 4 B+ SERIAL DATA COMPUTER DATA LINES SYSTEM 8 9 2500 2501 SERIAL DATA BUS + SERIAL DATA BUS - BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) CARGO DOOR UNLOCK RELAY CARGO DR UNLCK FUSE 33 CHIME MODULE (BEHIND LEFT CENTER OF DASH) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DOOR LOCK RELAY DOOR UNLOCK RELAY DRIVER DOOR UNLATCH RELAY DVR DR UNLCK FUSE 36 FRT DR LCK FUSE 31 FRT PASS DR UNLCK FUSE 34 GROUND GRY WIRE GRY/BLK WIRE HOOD AJAR SWITCH (W/ REMOTE ENGINE START) HOT AT ALL TIMES BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) HOT AT ALL TIMES UNDERHOOD LEFT REAR SIDE DOOR JAM SWITCH (W/ HINGED DOOR) (AT LEFT "B" PILLAR) LIFTGATE AJAR SW SIG LO SPD GMLAN SERIAL DATA LO SPD SERIAL DATA LT BLU WIRE LT GRN WIRE MEGA FUSE FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) NCA WIRE ORG/BLK WIRE PNK/BLK WIRE PPL PPL CLOSED SW SIG RADIO REAR DR LCK FUSE 32 REAR OPEN SW REAR PASS DR UNLCK FUSE 35 RED/BLK WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (BEHIND CENTER OF DASH) RFA/TPM FUSE 21 RIGHT REAR SIDE DOOR JAM SWITCH (W/ CARGO PASSENGER) (AT RIGHT "B" PILLAR) SW SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE W/ COMMERCIAL TRADESMAN W/ HINGED DOOR W/O COMMERCIAL TRADESMAN WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BREAKOUT) CARGO DOOR LATCH ASSEMBLY (W/ CARGO/PASSENGER) (IN RIGHT REAR CARGO DOOR) CARGO/ PASSENGER COMPUTER DATA LINES SYSTEM CUTAWAY DK BLU WIRE DK GRN WIRE DRIVER DOOR LATCH ASSEMBLY (AT REAR OF DRIVER DOOR) DRIVER DOOR LOCK SWITCH DRIVER INFORMATION CENTER (DIC) DISPLAY GRY WIRE GRY/BLK WIRE INSTRUMENT CLUSTER (IPC) LEFT BODY SLIDING DOOR JAMB CONTACT PLATE (AT LEFT "B" PILLAR) LOGIC LOW SPD GMLAN SERIAL DATA LT BLU WIRE LT GRN WIRE ORG/BLK WIRE PASSENGER DOOR LATCH ASSEMBLY (AT REAR OF FRONT PASSENGER DOOR) PASSENGER DOOR LOCK SWITCH PNK/BLK WIRE REAR CARGO DOOR LOCK SWITCH RIGHT BODY SLIDING DOOR JAMB CONTACT PLATE (AT RIGHT "B" PILLAR) SECURITY INDICATOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE W/ HINGED DOOR W/ HINGED DOORS

BANK 1 SENSOR 1 (IN EXHAUST PIPE, IN FRONT OF CATALYTIC CONVERTER) BANK 2 SENSOR 1 (IN EXHAUST PIPE, IN FRONT OF CATALYTIC CONVERTER) BLK WIRE BRN WIRE CAMSHAFT POSITION (CMP) SENSOR (FRONT OF ENGINE) CEN FIELD SIG CKP SENS SIG LOW REF DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (AT LEFT FRONT OF ENGINE) GEN ON SIG GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEATED OXYGEN INJ 1 CTRL ECT SENS SIG LOW REF INJ 2 CTRL INJ 3 CTRL INJ 4 CTRL INJ 7 CTRL INJ 8 CTRL INJ 5 CTRL INJ 6 CTRL KNOCK SENSOR (KS) 1 KNOCK SENSOR (KS) 2 KS 1 SIG KS 1 SIG KS 2 SIG KS 2 SIG LOW REF LOW REF LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MAP SENS SIG PPL ORG/ WIRE ORG/BLK WIRE PNK 5 6 WIRE PNK 7 8 9 10 11 12 13 WIRE PNK WIRE PNK/BLK WIRE PPL PPL TP SENS 2 SIG CMP SENS SIG TP SENS 1 SIG LOW REF PPL/WHT WIRE PRE SENS SIG SOL CTRL STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TAC MTR CTRL 2 TAC MTR CTRL 1 TAN WIRE TAN/WHT WIRE WHT GRY/ WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BANK 1 SENSOR 1 (IN EXHAUST PIPE, IN FRONT OF CATALYTIC CONVERTER) BANK 2 SENSOR 1 (IN EXHAUST PIPE, IN FRONT OF CATALYTIC CONVERTER) BLK WIRE BRN WIRE CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID VALVE CAMSHAFT POSITION (CMP) SENSOR (FRONT OF ENGINE) CEN FIELD SIG CKP SENS SIG LOW REF DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (AT LEFT FRONT OF ENGINE) GEN ON SIG GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEATED OXYGEN INJ 1 CTRL ECT SENS SIG LOW REF INJ 2 CTRL INJ 3 CTRL INJ 4 CTRL INJ 7 CTRL KNOCK SENSOR (KS) 1 KNOCK SENSOR (KS) 2 KS 1 SIG KS 1 SIG KS 2 SIG KS 2 SIG LOW REF LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MAP SENS SIG PPL ORG/ WIRE ORG/BLK WIRE PNK 5 6 WIRE PNK 7 8 9 WIRE PNK WIRE PNK/BLK WIRE PPL PPL INTAKE SOL INJ 8 CTRL INJ 5 CTRL INJ 6 CTRL PPL TP SENS 2 SIG CMP SENS SIG TP SENS 1 SIG LOW REF PPL/WHT WIRE PRE SENS SIG SOL CTRL STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TAC MTR CTRL 2 TAC MTR CTRL 1 TAN WIRE TAN/WHT WIRE WHT GRY/ WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BANK 1 SENSOR 1 (IN EXHAUST PIPE, IN FRONT OF CATALYTIC CONVERTER) BANK 2 SENSOR 1 (IN EXHAUST PIPE, IN FRONT OF CATALYTIC CONVERTER) BLK WIRE BRN WIRE CAMSHAFT POSITION (CMP) ACTUATOR SOLENOID VALVE CAMSHAFT POSITION (CMP) SENSOR (FRONT OF ENGINE) CEN FIELD SIG CKP SENS SIG LOW REF DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (AT LEFT FRONT OF ENGINE) GEN ON SIG GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEATED OXYGEN INJ 1 CTRL ECT SENS SIG LOW REF INJ 2 CTRL INJ 3 CTRL INJ 4 CTRL INJ 7 CTRL KNOCK SENSOR (KS) 1 KNOCK SENSOR (KS) 2 KS 1 SIG KS 1 SIG KS 2 SIG KS 2 SIG LOW REF LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MAP SENS SIG PPL ORG/ WIRE ORG/BLK WIRE PNK 5 6 WIRE PNK 7 8 9 WIRE PNK WIRE PNK/BLK WIRE PPL PPL INTAKE SOL INJ 8 CTRL INJ 5 CTRL INJ 6 CTRL PPL TP SENS 2 SIG CMP SENS SIG TP SENS 1 SIG LOW REF PPL/WHT WIRE PRE SENS SIG SOL CTRL STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TAC MTR CTRL 2 TAC MTR CTRL 1 TAN WIRE TAN/WHT WIRE WHT GRY/ WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

2500 440 5991 2364 23 6141 6399 1439 COMPUTER DATA LINES SYSTEM AIR CONDITIONING SYSTEM APP SIG 1 5 VOLT REF 5 VOLT REF BLK WIRE BLU WIRE BREAKOUT TOWARDS INSTRUMENT PANEL CLUSTER) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE/ETC/TCC BRK SIG CUTAWAY DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) EXHAUST TEMPERATURE SENSOR 2 EXHAUST TEMPERATURE SENSOR 3 (MIDDLE OF DIESEL PARTICULATE FILTER) EXHAUST TEMPERATURE SENSOR 4 GRY WIRE GRY/BLK WIRE INJ HIGH CTRL A/C CLUTCH RLY CTRL LOW REF LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MASS AIR FLOW (MAF)/INTAKE AIR TEMP (IAT) SENSOR (ATTACHED TO AIR INTAKE DUCT) NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK IGN 1 VOLT AIR FLOW SENS SIG GENERATOR TURN ON SIG LOW REF WIRE PNK PNK 7 8 WIRE PNK WIRE PPL PPL 1 2 PPL 28 29 PPL PNK 24 25 WIRE RED/WHT WIRE STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TRANSMISSIONS SYSTEM COMPUTER DATA LINES SYSTEM WHT LT BLU/ WIRE WHT WIRE WHT/ DK BLU WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

5 VOLT REF 6 7 8 PNK WIRE ACT CTRL CLOSE ACT CTRL OPEN BLK/WHT WIRE BRK APLY SENS SIG BRN WIRE BRN/GRY WIRE BRN/WHT WIRE CAC TEMP SENS RTN CAC TEMP SENS SIG CKP SENS SIG CMP SENS SIG CTRL CYL 2 CTRL CYL 3 CTRL CYL 5 CTRL CYL 8 DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SENS SIG EGR VALVE SENS SIG EGRT SENS 1 SPLY VOLT EGRT SENS 2 SPLY VOLT EGRV MTR HIGH SIG EGRV MTR LOW SIG EGT SENS 1 SIG ENGINE CONTROL MODULE (ECM) EXHAUST TEMPERATURE SENSOR 1 FUEL TEMP 1 SIG FUEL TEMP SIG GRY WIRE GRY/BLK WIRE GRY/WHT WIRE INTAKE AIR FLOW VALVE LOW REF LOWER RIGHT FRONT OF ENGINE) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE OIL PRESSURE SENS SIG ORG/BLK WIRE PNK 5 6 7 8 9 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POS SENS SIG POS SENS SIG 1 PPL/WHT WIRE PRESSURE SENS SIG PRESSURE SW SIG RED/WHT WIRE SENS SPLY VOLT SPLY CYL 2 SPLY CYL 3 SPLY CYL 5 SPLY CYL 8 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TEMP 1 RTN TEMP SENS RTN TEMP SENS SIG WATER IN FUEL SENS SIG WATER IN-FUEL SENSOR WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE