Chevrolet Chevy Express G2500 (1996-2012) run Wiring diagrams

ACCY LOCK OFF AUXILIARY BATTERY BATTERY BATTERY JUNCTION BLOCK ORANGE LABEL STUD BLK WIRE BLUE LABEL STUD CRANK FUSE 8 DIESEL FUSIBLE LINK (14 GA- GAS GAS FUSIBLE LINK (8 GA-RUST: DIESEL) FUSIBLE LINK (10 GA- RUST) GASOLINE GENERATOR GRY WIRE HOLD-IN WINDING PULL-IN WINDING I/P FUSE BLOCK (ON LEFT LOWER KICK PANEL) IGNITION SWITCH PARK/NEUTRAL POSITION SWITCH (ON LEFT SIDE OF TRANSMISSION) POWER DISTRIBUTION SYSTEM PPL RED WIRE RUN WIRE STARTER MOTOR STARTER RELAY (IN UNDERHOOD FUSE/RELAY CENTER) STARTER SOLENOID UNDERHOOD FUSE/RELAY CENTER (ON LEFT SIDE OF ENGINE COMPARTMENT) BATT IGN-A FUSE WHITE LABEL STUD YEL WIRE

ACCY LOCK OFF AUXILIARY BATTERY BATTERY BATTERY JUNCTION BLOCK ORANGE LABEL STUD BLK WIRE BLUE LABEL STUD CRANK FUSE 8 DIESEL FUSIBLE LINK (14 GA- GAS GAS FUSIBLE LINK (8 GA-RUST: DIESEL) FUSIBLE LINK (10 GA- RUST) GASOLINE GENERATOR GRY WIRE HOLD-IN WINDING PULL-IN WINDING I/P FUSE BLOCK (ON LEFT LOWER KICK PANEL) IGNITION SWITCH PARK/NEUTRAL POSITION SWITCH (ON LEFT SIDE OF TRANSMISSION) POWER DISTRIBUTION SYSTEM PPL RED WIRE RUN WIRE STARTER MOTOR STARTER RELAY (IN UNDERHOOD FUSE/RELAY CENTER) STARTER SOLENOID UNDERHOOD FUSE/RELAY CENTER (ON LEFT SIDE OF ENGINE COMPARTMENT) BATT IGN-A FUSE WHITE LABEL STUD YEL WIRE

ACCY LOCK OFF AUXILIARY BATTERY BATTERY BATTERY JUNCTION BLOCK ORANGE LABEL STUD BLK WIRE BLUE LABEL STUD CRANK FUSE 8 DIESEL FUSIBLE LINK (14 GA- GAS GAS FUSIBLE LINK (8 GA-RUST: DIESEL) FUSIBLE LINK (10 GA- RUST) GASOLINE GENERATOR GRY WIRE HOLD-IN WINDING PULL-IN WINDING I/P FUSE BLOCK (ON LEFT LOWER KICK PANEL) IGNITION SWITCH PARK/NEUTRAL POSITION SWITCH (ON LEFT SIDE OF TRANSMISSION) POWER DISTRIBUTION SYSTEM PPL RED WIRE RUN WIRE STARTER MOTOR STARTER RELAY (IN UNDERHOOD FUSE/RELAY CENTER) STARTER SOLENOID UNDERHOOD FUSE/RELAY CENTER (ON LEFT SIDE OF ENGINE COMPARTMENT) BATT IGN-A FUSE WHITE LABEL STUD YEL WIRE

ACCY LOCK OFF AUXILIARY BATTERY BATTERY BATTERY JUNCTION BLOCK ORANGE LABEL STUD BLK WIRE BLUE LABEL STUD CRANK FUSE 8 DIESEL FUSIBLE LINK (14 GA- GAS GAS FUSIBLE LINK (8 GA-RUST: DIESEL) FUSIBLE LINK (10 GA- RUST) GASOLINE GENERATOR GRY WIRE HOLD-IN WINDING PULL-IN WINDING I/P FUSE BLOCK (ON LEFT LOWER KICK PANEL) IGNITION SWITCH PARK/NEUTRAL POSITION SWITCH (ON LEFT SIDE OF TRANSMISSION) POWER DISTRIBUTION SYSTEM PPL RED WIRE RUN WIRE STARTER MOTOR STARTER RELAY (IN UNDERHOOD FUSE/RELAY CENTER) STARTER SOLENOID UNDERHOOD FUSE/RELAY CENTER (ON LEFT SIDE OF ENGINE COMPARTMENT) BATT IGN-A FUSE WHITE LABEL STUD YEL WIRE

BLK WIRE BRAKE IND CTRL BRAKE PSI IN DRL RELAY CTRL BULB TEST LOCK OFF DAYTIME RUNNING LAMPS MODULE (UNDER LEFT SIDE OF I/P, TAPED TO I/P HARNESS) DAYTIME RUNNING LAMPS RELAY (UNDER LEFT SIDE OF I/P, ON CONVENIENCE CENTER) DRL DIODE MODULE DRL FUSE 15 DRL INDICATOR FROM 36-PIN LEFT BULKHEAD CONN) BREAKOUT) LT GAUGES FUSE 4 GRN WIRE GROUND HEAD HEADLAMP DIMMER SWITCH HEADLAMP SWITCH HIGH BEAM INDICATOR HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK (LEFT KICK PANEL) IGNITION SWITCH INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT FORWARD LAMP BREAKOUT TOWARD RIGHT) LEFT FORWARD LAMP BREAKOUT) LEFT HIGH BEAM HEADLAMP LAMP LEFT LOW BEAM HEADLAMP LAMP RIGHT LOW BEAM HEADLAMP LAMP LIGHTING MAXI FUSE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT PPL OFF PARK ORG/ WIRE PARK BRAKE IN IGN KEY STATUS PARK BRAKE WARNING SWITCH (ON PARK BRAKE) PNK IGN (RUN/ST) LAMP FEED WIRE PNK WIRE PPL RED WIRE RIGHT HIGH BEAM HEADLAMP LAMP RUN WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE-RELAY CENTER (ENGINE COMPT, LEFT FENDER) WHT WIRE YEL WIRE

1996 VFTC BLK WIRE BULB TEST DIODE ARRAY DK BLU WIRE DRL FUSE 15 DRL INDICATOR GAUGES FUSE 4 GROUND HEAD HEAD- LAMP DIMMER SWITCH HEADLAMP SWITCH HI BEAM INDICATOR HI BM FEED HI BM INDICATOR DRL RELAY CTRL HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK IGNITION SWITCH INLINE DIODE 201 (I/P HARNESS UNDER LEFT SIDE OF I/P) INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT HI BEAM HEAD- LAMP LEFT LO BEAM HEADLAMP LIGHTING MAXI FUSE LOCK OFF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE OFF PARK ORG/ WIRE PARK BRAKE WARNING SWITCH (ON PARK BRAKE) PNK IGNITION LAMP FEED WIRE PNK WIRE RED WIRE RIGHT HI BEAM HEAD- LAMP RIGHT LO BEAM HEAD- LAMP RUN WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE-RELAY CENTER (ENGINE COMPARTMENT, LEFT FENDER) WHT WIRE YEL WIRE

BLK WIRE BULB TEST DIODE ARRAY DK BLU WIRE DRL FUSE 15 DRL INDICATOR GAUGES FUSE 4 GRN WIRE GROUND HEAD HEAD- LAMP DIMMER SWITCH HEADLAMP SWITCH HI BEAM INDICATOR HI BM FEED HI BM INDICATOR DRL RELAY CTRL HI LO HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK IGNITION SWITCH INLINE DIODE 201 (I/P HARNESS UNDER LEFT SIDE OF I/P) INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT HEAD- LAMP LIGHTING MAXI FUSE LOCK OFF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE OFF PARK ORG/ WIRE PARK BRAKE WARNING SWITCH (ON PARK BRAKE) PNK IGNITION LAMP FEED WIRE PNK WIRE RED WIRE RIGHT HEAD- LAMP RUN WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE-RELAY CENTER (ENGINE COMPARTMENT, LEFT FENDER) WHT WIRE YEL WIRE

BLK WIRE BRN WIRE CONVENIENCE CENTER (UNDER LEFT SIDE OF DASH) HEATED MIRROR SWITCH HEATER, A/C CONTROLLER HOT AT ALL TIMES HOT IN HTD MIR FUSE 2 HTR A/C FUSE 12 I/P FUSE BLOCK (ON LEFT LOWER KICK PANEL) LEFT POWER OUTSIDE REAR VIEW MIRROR ORG/ WIRE RIGHT POWER OUTSIDE REAR VIEW MIRROR RUN WIRE SOLID STATE TIMER W/ UPFITTER PROVISIONS ONLY

ABS FUSE AMBULANCE AUX-A FUSE AUX-B FUSE AUXILIARY BATTERY AUXILIARY BLOWER MOTOR HIGH SPEED RELAY AUXILIARY BLOWER MOTOR LOW SPEED RELAY AUXILIARY BLOWER MOTOR MEDIUM SPEED RELAY AUXILIARY BLOWER MOTOR LOW SPEED RELAY BATTERY BATTERY JUNCTION BLOCK BLK WIRE BLK/YEL WIRE BLOWER FUSE BLOWER MOTOR RESISTOR/ RELAY BRAKE FUSE 18 BRN WIRE CONVENIENCE CENTER CRUISE CONTROL MODULE (GASOLINE) CRUISE CONTROL SWITCH CRUISE FUSE 6 DIESEL ELECTRONIC BRAKE CONTROL MODULE (EBCM) FRONT AUXILIARY HVAC CONTROL MODULE HEATER AND A/C CONTROL LOGIC MODULE FUSIBLE LINK FUSIBLE LINK (10 GA- FUSIBLE LINK (10 GA-RUST) FUSIBLE LINK (14 GA- GASOLINE GENERATOR GLOWPLUG RELAY GRY WIRE HEATER AND A/C CONTROLLER HTR A/C FUSE 12 I/P FUSE BLOCK CRANK FUSE 8 WIPER FUSE 11 RADIO 1 FUSE 17 IGN A FUSE IGN B FUSE IGNITION SWITCH INLINE FUSE LEFT FRONT POWER SIDE WINDOW SWITCH LOCK LOCK LOCK OFF OFF LOCK OFF NCA WIRE OFF ORG/ WIRE P/B BOOSTER FLUID LOW ALARM PARK/ NEUTRAL POSITION SWITCH PASSENGER PNK WIRE PPL PWR WDO FUSE B REAR AUXILIARY TEMPERATURE VALVE ASSEMBLY RED WIRE RIGHT FRONT POWER SIDE WINDOW SWITCH (LEFT KICK PANEL) RR BLOWER FUSE RR HVAC FUSE 24 RUN WIRE RUST) STARTER RELAY STARTER SOLENOID TEMPERATURE VALVE ACTUATOR MOTOR TO TRANS FUSE (DIAGRAM 4 OF 4) TO UNDERHOOD FUSE-RELAY CENTER (DIAGRAM 2 OF 4) TO UPFITTER PROVISION RELAY (DIAGRAM 1 OF 4) TRAILER WIRING PROVISION UNDERHOOD FUSE/RELAY CENTER UPFITTER PROVISION CONNECTOR UPFITTER PROVISION RELAY (BEHIND LEFT B PILLAR) W/ REAR A/C W/ REAR A/C PASSENGER WHT WIRE YEL WIRE

27 28 29 30 31 PPL 5 VOLT REF BLK WIRE BLU WIRE BRAKE FUSE 18 BRN WIRE BRN/WHT WIRE CMP SIG DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (LEFT FRAME RAIL, NEAR CENTER OF VEHICLE) GRN WIRE GRY WIRE HIGH RES SIG HOT AT ALL TIMES HOT IN HOT IN OFF, RUN OR START I/P FUSE BLOCK IGNITION TIMING STEPPER MOTOR (TOP FRONT OF ENGINE) LT BLU WIRE LT GRN WIRE OPTICAL FUEL/ TEMPERATURE SENSOR (TOP CENTER OF ENGINE, ON FUEL INJECTION PUMP) ORG/ WIRE ORG/BLK WIRE PNK PNK PPL 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK WIRE RED WIRE RED/BLK WIRE RUN WIRE SENS GRD STOP FUSE 1 TAN WIRE TAN/BLK WIRE TCC/STOPLAMP SWITCH (BEHIND DASH, ON BRAKE PEDAL SUPPORT) TRANS FUSE 20 WHT WIRE YEL WIRE YEL/BLK WIRE