Chevrolet Express G2500 (2013-2013) run Wiring diagrams

4.3L/ 5.3L 4.8L 6.0L AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BATTERY BATTERY CURRENT SENSOR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) GMLAN SERIAL DATA CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRNK RELAY 39 DATA BUS - DK GRN WIRE EXCEPT 4.3L 4.3L ENGINE CONTROL MODULE (ECM) FUSIBLE LINK 2 GRY WIRE IGNITION SWITCH IGNITION VOLTAGE NCA WIRE OFF ORG/BLK WIRE PARK/ DATA NEUTRAL/ BUS (-) SIGNAL PARK/NEUTRAL POSITION (PNP) SWITCH PNK WIRE PPL RED WIRE RUN WIRE STARTER ENABLE RELAY CTRL STARTER MOTOR STRTR SOL FUSE TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL/BLK WIRE

4.3L/ 5.3L 4.8L 6.0L AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BATTERY BATTERY CURRENT SENSOR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) GMLAN SERIAL DATA CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRNK RELAY 39 DATA BUS - DK GRN WIRE EXCEPT 4.3L 4.3L ENGINE CONTROL MODULE (ECM) FUSIBLE LINK 2 GRY WIRE IGNITION SWITCH IGNITION VOLTAGE NCA WIRE OFF ORG/BLK WIRE PARK/ DATA NEUTRAL/ BUS (-) SIGNAL PARK/NEUTRAL POSITION (PNP) SWITCH PNK WIRE PPL RED WIRE RUN WIRE STARTER ENABLE RELAY CTRL STARTER MOTOR STRTR SOL FUSE TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL/BLK WIRE

4.3L/ 5.3L 4.8L 6.0L AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BATTERY BATTERY CURRENT SENSOR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) GMLAN SERIAL DATA CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRNK RELAY 39 DATA BUS - DK GRN WIRE EXCEPT 4.3L 4.3L ENGINE CONTROL MODULE (ECM) FUSIBLE LINK 2 GRY WIRE IGNITION SWITCH IGNITION VOLTAGE NCA WIRE OFF ORG/BLK WIRE PARK/ DATA NEUTRAL/ BUS (-) SIGNAL PARK/NEUTRAL POSITION (PNP) SWITCH PNK WIRE PPL RED WIRE RUN WIRE STARTER ENABLE RELAY CTRL STARTER MOTOR STRTR SOL FUSE TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL/BLK WIRE

AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUXILIARY BATTERY BATTERY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) GMLAN SERIAL DATA CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRNK RELAY 39 DK GRN WIRE ENGINE CONTROL MODULE (ECM) FUSIBLE LINK 2 GMLAN PARK/ SERIAL DATA NEUTRAL SIGNAL (-) GMLAN SERIAL DATA GRY WIRE IGNITION SWITCH IGNITION VOLTAGE OFF ORG/BLK WIRE PNK WIRE PPL RED WIRE RUN WIRE STARTER ENABLE RELAY CTRL STARTER MOTOR STRTR SOL FUSE TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD JUNCTION BLOCK WHT WIRE YEL/BLK 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

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 CONNECTOR EXHAUST GAS RECIRCULATION VALVE SHIELD FUEL FUEL INJECTOR CONTROL MODULE GROUND TO LPG CONTROL MODULE, WAIT TO START LAMP) HARNESS, 7.5 CM FROM PRIMARY FUEL LEVEL SENSOR) IGNITION (EV) RELAY RELAY RELAY WIPER WIPER HI DIODE DIODE IGNITION IGNITION COIL 1 COIL 8 IGNITION IGNITION COIL 3 COIL 5 IGNITION IGNITION IGNITION COIL 4 COIL 6 COIL 2 INDICATOR LEFT FRONT MARKER LAMP LEFT PARK/TURN SIGNAL LAMP LPG BYPASS SOLENOID VALVE LPG CONTROL MODULE LPG PRIMARY CONTROL FUEL LEVEL MODULE SENSOR NCA WIRE RUN WIRE RUN/ CRNK RELAY SECONDARY FUEL LEVEL SENSOR UNDERHOOD FUSE BLOCK CRNK PUMP (ON LEFT LAMP RELAY RELAY SIDE OF ENGINE COMPT) W/ 4 TANK COMPLETE VEHICLE KIT WAIT TO WINDSHIELD WIPER MOTOR WINDSHIELD WIPER RELAY

AIR TEMPERATURE DOOR ACTUATOR BCK/UP LAMP PCB BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE CARGO DOOR UNLOCK RELAY CENTER CONSOLE ACCESSORY POWER RECEPTACLE 2 CONNECTOR CONTENT THEFT DETERRENT MODULE COURTESY LAMPS PROVISION RELAY DATA LINK CONNECTOR (DLC) DOOR UNLOCK RELAY DRIVER DOOR DOOR LOCK UNLATCH RELAY RELAY DRIVER INFORMATION CENTER (DIC) SWITCH HEADLAMP, PANEL DIMMER SWITCH HEAVY DUTY HORN SWITCH HVAC CONTROL SWITCH ASSEMBLY IGNITION POWER PROVISION RELAY INFLATABLE RESTRAINT FRONT PASSENGER PRESENCE SYSTEM (PPS) SENSOR INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INSIDE COMPASS REARVIEW MODULE MIRROR INSTRUMENT PANEL CLUSTER (IPC) LEFT STEERING WHEEL CONTROLS SWITCH LIGHT DUTY NCA WIRE PASSENGER AIR BAG DISABLE INDICATOR PASSENGER AIR BAG DISABLE SWITCH PASSENGER COMPARTMENT FUSE BLOCK RADIO REAR PARKING ASSIST CONTROL MODULE REARVIEW CAMERA REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) RIGHT STEERING WHEEL CONTROLS SWITCH ROLLOVER SENSOR RUN WIRE RV UPFITTER SHIFT LOCK CONTROL SOLENOID ACTUATOR STEERING WHEEL AIR BAG COIL STEERING WHEEL SPEED/ POSITION SENSOR TOW/ BODY CONTROL HAUL MODULE (BCM) SWITCH TOWARDS INSTRUMENT CLUSTER PANEL) TURN SIGNAL/ MULTI-FUNCTION SWITCH W/ AUTOMATIC ELECTRONIC CRUISE CONTROL W/ REAR WINDOW DEFOGGER, POWER MIRRORS W/ REDUNDANT RADIO STEERING WHEEL CONTROL W/ REMOTE KEYLESS ENTRY, LOW TIRE PRESSURE INDICATOR W/ UYS W/O UYS 5 6 W/ VEHICLE COMMUNICATION SYSTEM W/O MANUAL SUPPRESSION SWITCH, RV UPFITTER W/O VEHICLE COMMUNICATION SYSTEM WHT WIRE WINDSHIELD WASHER FLUID PUMP WINDSHIELD WIPER MOTOR

4.8L, 4.3L 5.3L, 6.0L BATT POS VOLT BCM 3 FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE HOOD AJAR SWITCH (W/ REMOTE ENGINE START) HOT AT ALL TIMES HOT AT ALL TIMES BODY FUSE IGN SW BLOCK (UNDER LEFT FUSE 22 FRONT SEAT) HOT W/ RUN/CRANK RELAY 15 ENERGIZED IGN VOLT IGN VOLT LO SPD DATA IGNITION SWITCH IPC FUSE LO SPD DATA LOCK LOGIC INSTRUMENT CLUSTER NCA WIRE PNK 19 1 WIRE PNK WIRE PNK/BLK WIRE PPL PPL CLOSED SW SIGNAL RED WIRE RED/WHT WIRE RUN WIRE SECURITY IND SERIAL DATA SERIAL DATA BUS- SW SIGNAL TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE

7 CM FROM BREAKOUT FOR REAR FUSE BLOCK) AIR BAG FUSE 28 BLK WIRE BODY CONTROL MODULE (BCM) BRK SW IPC FUSE 10 FUSE 13 BRN WIRE CONNECTOR CONTENT THEFT DETERRENT MODULE (TDM) DK BLU WIRE DOME FLUORESCENT WORK LAMPS FUSE 2 FROM MEGA FUSE (DIAGRAM 2 OF 5) FROM PASSENGER COMPARTMENT FUSE BLOCK (DIAGRAM 4 OF 5) FSCM IGN FUSE 6 FUEL PUMP CONTROL MODULE (5.3L) HARNESS, 15 CM FROM REAR FUSE BLOCK) HARNESS, 8 CM FROM REAR FUSE BLOCK) IGN IGNITION SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) INSTRUMENT CLUSTER KEY-IN SWITCH LEFT FRONT ACCESS PANEL RELAY LEFT REAR ACCESS PANEL RELAY OFF ORG/ WIRE PANEL ACTUATOR FUSE 3 PNK WIRE REAR FUSE BLOCK (ON LEFT "B" PILLAR) RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RIGHT REAR ACCESS PANEL RELAY RUN WIRE RUN/CRNK RELAY 15 STEERING WHEEL SPEED/ ANGLE SENSOR STOP LAMP SWITCH STR/WHL SNSR FUSE 29 (W/ ACTIVE BRAKE CONTROL) TO TRANS FUSE 17 (DIAGRAM 5 OF 5) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ CARGO LAMP W/O RV UPFITTER, MANUAL W/ MANUAL SUPPRESSION SUPPRESSION WHT WIRE YEL WIRE

AIR BAG/AOS FUSE 10 AUXILIARY AIR TEMPERATURE DOOR ACTUATOR (W/ REAR A/C) AUXILIARY AUXILIARY BLOWER BLOWER MOTOR MOTOR MEDIUM LOW SPEED SPEED RELAY RELAY AUXILIARY AUXILIARY MODE BLOWER ACTUATOR MOTOR HIGH SPEED (W/ REAR RELAY A/C) BCK/UP LAMP PCB BLK WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) BREAKOUT) BRN WIRE CARGO DOOR UNLOCK RELAY CMPS FUSE 19 CURTESY LAMPS PROVISION RELAY DIGITAL RADIO RECEIVER CONTROL RADIO MODULE DK GRN WIRE DOOR LOCK RELAY DOOR UNLOCK RELAY DRIVER DOOR UNLOCK RELAY DRIVER SEAT ADJUSTER SWITCH (W/ DRIVER POWER SEAT ADJUSTER) DRIVER WINDOW SWITCH PASSENGER (IF WINDOW EQUIPPED) SWITCH (IF EQUIPPED) EMPTY EMPTY FUSE FUSE FROM UNDERHOOD FUSE BLOCK (DIAGRAM 2 OF 5) GRN WIRE HVAC 1 FUSE 14 HVAC 2 FUSE 13 HVAC IGN SW CNTRL FUSE 25 FUSE 22 I/P CLUSTER FUSE 23 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) CHIME ALARM CONTROL MODULE INSTRUMENT CLUSTER (W/O ODOMETER SECURITY WIRING PROVISION (SEO)) MANUAL A/C W/ POWER MIRRORS, REAR WINDOW DEFOGGER ONSTAR FUSE 11 ORG/ WIRE OSRVM SW FUSE 9 OUTSIDE REARVIEW MIRROR SWITCH (IF EQUIPPED) PASSENGER COMPARTMENT FUSE BLOCK PASSENGER SEAT ADJUSTER SWITCH (W/ PASSENGER POWER SEAT ADJUSTER) PRK LAMPS PWR SEATS CIRCUIT BREAKER 1 PWR WINDOWS CIRCUIT BREAKER 2 RAP RELAY RDO/CHIME FUSE 20 REAR AUXILIARY HVAC CONTROL ASSEMBLY REAR BLWR FUSE 29 REAR DEFOG RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RFA/TPM FUSE 21 ROLLOVER SENSOR RUN WIRE TO IGNITION POWER PROVISION RELAY (DIAGRAM 1 OF 5) UPFITTER AUX 1 FUSE 16 (W/ CUTAWAY, AMBULANCE, RV UPFITTERS) VEHICLE TELEMATICS COMMUNICATION INTERFACE MODULE (VCIM) (IF EQUIPPED) W/ CHIME MODULE W/ COMMERCIAL TRADESMAN W/ CUTAWAY W/ REAR A/C W/ REAR A/C, AUXILIARY HEATER W/ REAR A/C, AUXILIARY HEATER, PLUMBING, WIRING PROVISION W/ RV UPFITTER W/ RV UPFITTER W/O RV UPFITTER W/O DIGITAL AUDIO W/ DIGITAL AUDIO W/ UYS W/O UYS WHT RED/ WIRE WHT WIRE YEL WIRE