Chevrolet Chevy Express G1500 (1996-2012) w/ truck trailer Wiring diagrams

ABS MDL FUSE 60 ABS MTR FUSE 61 AUX PWR OUTLET FUSE 33 BATTERY BCM 1 FUSE 20 BCM 2 FUSE 37 BCM 3 FUSE 26 BCM 4 FUSE 22 BCM 5 FUSE 27 BCM 6 FUSE 23 BCM 7 FUSE 25 BLK WIRE BLOWER MOTOR RESISTOR ASSEMBLY BODY CONTROL MODULE (BCM) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN WIRE CENTER CONSOLE 1 ACCESSORY CENTER CONSOLE 2 ACCESSORY POWER OUTLET CIGAR LIGHTER CNSTR VENT SOL FUSE 17 DATA LINK CONNECTOR (DLC) ECM BATT FUSE 54 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE FCSM BATT FUSE 15 FROM CMPS FUSE 2 (DIAGRAM 4 OF 4) FROM RUN RELAY 39 (DIAGRAM 4 OF 4) FRT BLWR FUSE 66 FUEL PUMP FLOW CONTROL MODULE (5.3L) FUSIBLE LINK 2 FUSIBLE LINK 3 GENERATOR INSTRUMENT PANEL CLUSTER (IPC) (W/ ODOMETER SECURITY WIRING PROVISION (SEO)) LTR/DLC FUSE 38 POWER OUTLET RED WIRE RED/BLK WIRE RED/WHT WIRE SEO FUSE #21 STARTER MOTOR TCM BATT FUSE 44 TO HIGH BEAM PCB RELAY (DIAGRAM 2 OF 4) TRAILER CONNECTOR TRANSMISSION CONTROL MODULE (TCM) TRLR WRG FUSE 35 TRLR WRG FUSE 62 UPFTR AUX 2 FUSE 35 UPFTR AUX 2 RELAY 42 (CUTAWAY, AMBULANCE, RV UPFITTERS) W/ ACTIVE BRAKE CONTROL W/ CIGAR LIGHTER W/ RV CUTAWAY UPFITTER UPFITTER W/ RV UPFITTER W/ TRUCK TRAILER W/O ACTIVE BRAKE CONTROL W/O CIGAR LIGHTER

ABS MDL FUSE 60 ABS MTR FUSE 61 AUX PWR OUTLET FUSE 33 BATTERY BCM 1 FUSE 20 BCM 2 FUSE 37 BCM 3 FUSE 26 BCM 4 FUSE 22 BCM 5 FUSE 27 BCM 6 FUSE 23 BCM 7 FUSE 25 BLK WIRE BLOWER MOTOR RESISTOR ASSEMBLY BODY CONTROL MODULE (BCM) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN WIRE CENTER CONSOLE 1 ACCESSORY CENTER CONSOLE 2 ACCESSORY POWER OUTLET CIGAR LIGHTER CNSTR VENT SOL FUSE 17 DATA LINK CONNECTOR (DLC) ECM BATT FUSE 54 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE FCSM BATT FUSE 15 FROM CMPS FUSE 2 (DIAGRAM 4 OF 4) FROM RUN RELAY 39 (DIAGRAM 4 OF 4) FRT BLWR FUSE 66 FUEL PUMP FLOW CONTROL MODULE (5.3L) FUSIBLE LINK 2 FUSIBLE LINK 3 GENERATOR INSTRUMENT PANEL CLUSTER (IPC) (W/ ODOMETER SECURITY WIRING PROVISION (SEO)) LTR/DLC FUSE 38 POWER OUTLET RED WIRE RED/BLK WIRE RED/WHT WIRE SEO FUSE #21 STARTER MOTOR TCM BATT FUSE 44 TO HIGH BEAM PCB RELAY (DIAGRAM 2 OF 4) TRAILER CONNECTOR TRANSMISSION CONTROL MODULE (TCM) TRLR WRG FUSE 35 TRLR WRG FUSE 62 UPFTR AUX 2 FUSE 35 UPFTR AUX 2 RELAY 42 (CUTAWAY, AMBULANCE, RV UPFITTERS) W/ ACTIVE BRAKE CONTROL W/ CIGAR LIGHTER W/ RV CUTAWAY UPFITTER UPFITTER W/ RV UPFITTER W/ TRUCK TRAILER W/O ACTIVE BRAKE CONTROL W/O CIGAR LIGHTER

4.3L/ 5.3L ABS MDL FUSE 60 ABS MTR FUSE 61 AUX PWR OUTLET FUSE 33 BATTERY BCM 1 FUSE 20 BCM 2 FUSE 37 BCM 3 FUSE 26 BCM 4 FUSE 22 BCM 5 FUSE 27 BCM 6 FUSE 23 BCM 7 FUSE 25 BLK WIRE BLOWER MOTOR RESISTOR BODY CONTROL MODULE (BCM) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN WIRE CENTER CONSOLE 1 ACCESSORY CENTER CONSOLE 2 ACCESSORY POWER OUTLET CIGAR LIGHTER CNSTR VENT SOL FUSE 17 DATA LINK CONNECTOR (DLC) ECM BATT FUSE 54 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE FCSM BATT SEO FUSE 15 FUSE 21 FRT BLWR FUSE 66 FUSIBLE LINK 2 FUSIBLE LINK 3 GENERATOR LTR/DLC FUSE 38 POWER OUTLET RED WIRE RED/BLK WIRE RED/WHT WIRE STARTER MOTOR TCM BATT FUSE 44 TO CMPS FUSE 2 (DIAGRAM 4 OF 4) TO HIGH BEAM PCB RELAY (DIAGRAM 2 OF 4) TO RUN RELAY 39 (DIAGRAM 4 OF 4) TRAILER CONNECTOR TRANSMISSION CONTROL MODULE (TCM) TRLR WRG FUSE 35 TRLR WRG FUSE 62 UPFTR AUX 2 FUSE 35 UPFTR AUX 2 RELAY 42 (CUTAWAY, AMBULANCE, RV UPFITTERS) W/ ACTIVE BRAKE CONTROL W/ CIGAR LIGHTER W/ CUTAWAY UPFITTER W/ RV UPFITTER W/ TRUCK TRAILER W/O ACTIVE BRAKE CONTROL W/O CIGAR LIGHTER

4.3L/ 5.3L 4.8L 6.0L 6.6L 6.6L 6.6L EXCEPT ABS MDL FUSE 2 ABS MTR FUSE 1 AUX PWR OUTLET FUSE 25 AUXILIARY BATTERY AUXILIARY GENERATOR BATTERY BCM 2 FUSE 58 BCM 1 FUSE 59 BCM 3 FUSE 26 BCM 7 FUSE 8 BCM 4 FUSE 9 BCM 5 FUSE 7 BCM 6 FUSE 72 BLK WIRE BLOWER MOTOR RESISTOR BLUNT CUT) BODY CONTROL MODULE (BCM) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN WIRE CENTER CONSOLE 1 ACCESSORY CENTER CONSOLE 2 ACCESSORY CIGAR LIGHTER CNSTR VENT SOL FUSE 56 CONTROL SOLENOID VALVE ASSEMBLY COOLANT HEATER (W/ AUXILIARY HEATER) DATA LINK CONNECTOR (DLC) ECM BATT FUSE 19 ELECTRONIC BRAKE CONTROL MODULE (EBCM) ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE FOH MDL FUSE 35 FROM CMPS FUSE 19 (DIAGRAM 4 OF 5) FROM RUN FRT BLWR FUSE 74 FUEL PUMP FLOW CONTROL MODULE (5.3L) (PROVISIONAL (BLUNT WIRING CUT) BLUNT CUT) FUSIBLE LINK 1 FUSIBLE LINK 2 FUSIBLE LINK 3 FUSIBLE LINK 4 FUSIBLE LINK 5 (W/ DUAL GENERATOR GENERATOR GLOW PLUG CONTROL MODULE (GPCM) INSTRUMENT PANEL CLUSTER (IPC) (W/ ODOMETER SECURITY WIRING PROVISION (SEO)) INTAKE AIR HEATER (IAH) LTR/DLC FUSE 73 POWER OUTLET RED WIRE RED/BLK WIRE RED/WHT WIRE SEO FUSE 27 STARTER MOTOR TCM BATT FUSE 32 TO HIGH BEAM PCB TRAILER CONNECTOR TRANSMISSION CONTROL MODULE (TCM) AUTOMATIC TRANSMISSION TRLR WRG FCSM BATT FUSE 11 FUSE 36 TRLR WRG FUSE 42 UNDERHOOD JUNCTION BLOCK UPFTR AUX 2 W/ 4 SPEED W/ 6 SPEED A/T A/T W/ ACTIVE BRAKE CONTROL W/ CIGAR LIGHTER W/ RV UPFITTER W/ TRUCK TRAILER W/ W/ RV CUTAWAY UPFITTER UPFITTER W/O ACTIVE BRAKE CONTROL W/O CIGAR LIGHTER

4.3L 4.8L, 5.3L, 4.3L 6.0L 4.8L, 5.3L, 6.0L 4.8L, 5.3L, 6.6L 6.0L A/C CMPRSR RELAY 40 (MANUAL A/C) BANK 1 SENSOR 1 BANK 2 BANK 1 SENSOR 2 SENSOR 2 BANK 2 SENSOR 1 BLK WIRE BREAKOUT) CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) (4.3L) CRNK RELAY 39 CUTAWAY DRL PCB ECM MAF/CNSTR PWR/TRN VENT FUSE 64 FUSE 78 ENGINE CONTROL MODULE (ECM) ENGINE COOLING FAN (6.6L) EVEN IGN/ FUEL INJ INJ FUSE 79 FUSE 75 (DIAGRAM 2 OF 5) FAN CLTCH (EV) FUSE 63 (6.6L) ECM PWR/TRN FAN CLTCH (EV) RELAY 50 (6.6L) FUSE 45 FROM TRLR WRG FUSE 42 (DIAGRAM 1 OF 5) FUEL FUEL FUEL FUEL INJECTOR INJECTOR INJECTOR INJECTOR FUEL FUEL INJECTOR INJECTOR FUEL HEATER (6.6L) FUEL HTR FUSE 71 FUEL INJECTOR FUEL INJECTOR FUEL FUEL INJECTOR INJECTOR FUEL PUMP RELAY 38 HEATED HEATED OXYGEN OXYGEN SENSOR SENSOR HEATED OXYGEN SENSOR HI BEAM HORN/WASH PCB IGNITION IGNITION IGNITION IGNITION COIL 2 COIL 4 COIL 6 COIL 8 IGNITION IGNITION IGNITION IGNITION COIL 3 COIL 1 COIL 5 COIL 7 INJ FUSE 75 LO BEAM LPG FUEL VEHICLE, 3 TANK VEHICLE KIT LPG FUEL VEHICLE, 4 TANK VEHICLE KIT MEGA FUSE NCA WIRE ODD IGN/ INJ FUSE 65 (EXCEPT 6.6L) PNK (OR RED) WIRE PNK WIRE PNK/BLK WIRE PWR/TRN RELAY 49 RED WIRE RED/BLK WIRE REDUCTANT HEATED SENSOR OXYGEN MODULE SENSOR STOP LAMPS TO BODY FUSE BLOCK (DIAGRAM 4 OF 5) TO EVEN IGN/INJ FUSE 79 (DIAGRAM 2 OF 5) TO FUSE HOLDER (DIAGRAM 5 OF 5) TO RUN/CRNK RELAY 15 (DIAGRAM 3 OF 5) TRLR LT STOP/TRN TRLR RT STOP/TRN W/ CUTAWAY W/ TRUCK TRAILER WPR FUSE 55 WPR PCB WPR-HI PCB YEL WIRE