Chevrolet Chevy Express G2500 (1996-2012) pwr/trn relay 76 Wiring diagrams

4.3L A/C CMPRSR RELAY 74 (MANUAL A/C) BANK 1 BANK 2 SENSOR 1 SENSOR 1 BANK 2 BANK 1 SENSOR 2 SENSOR 2 BREAKOUT) CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) (4.3L) CRNK RELAY 73 DRL PCB RELAY ECM PWR/TRN FUSE 50 ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE EVEN IGN INJ FUSE 52 (EXCEPT 4.3L) EXCEPT 4.3L EXCEPT 4.3L 4.3L FROM TRLR WRG FUSE (DIAGRAM 1 OF 4) FUEL FUEL IGNITION INJECTOR INJECTOR COIL FUEL FUEL INJECTOR INJECTOR FUEL INJECTOR FUEL PUMP RELAY 72 FUSE 46 FUSE 56 HEATED HEATED OXYGEN OXYGEN SENSOR SENSOR HI WPR RELAY 70 HIGH BEAM PCB RELAY HORN PCB RELAY IGNITION COIL IGNITION CONTROL MODULE (ICM) IGNITION IGNITION COIL COIL IGNITION IGNITION IGNITION COIL COIL COIL INJ FUSE 59 LOW BEAM PCB RELAY MAF/CNSTR VENT FUSE 49 MASS AIR FLOW (MAF)/ INTAKE AIR TEMPERATURE (IAT) SENSOR MEGA FUSE 77 NCA WIRE ODD IGN INJ FUSE 55 PNK WIRE PWR/TRN RELAY 76 RED/BLK WIRE STOP LAMPS PCB RELAY (CUTAWAY) TO BODY FUSE BLOCK (DIAGRAM 4 OF 4) TO RUN/CRNK RELAY 69 (DIAGRAM 3 OF 4) TRAILER LH STOP/TURN PCB RELAY (W/ TRUCK TRAILER) TRAILER RH STOP/TURN PCB RELAY (W/ TRUCK TRAILER) WASHER PCB RELAY WPR FUSE 39 WPR RELAY 71 YEL WIRE

4.3L A/C CMPRSR RELAY 74 (MANUAL A/C) BANK 1 BANK 2 SENSOR 1 SENSOR 1 BANK 2 BANK 1 SENSOR 2 SENSOR 2 BREAKOUT) CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) (4.3L) CRNK RELAY 73 DRL PCB RELAY ECM PWR/TRN FUSE 50 ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE EVEN IGN INJ FUSE 52 (EXCEPT 4.3L) EXCEPT 4.3L EXCEPT 4.3L 4.3L FROM TRLR WRG FUSE (DIAGRAM 1 OF 4) FUEL FUEL IGNITION INJECTOR INJECTOR COIL FUEL FUEL INJECTOR INJECTOR FUEL INJECTOR FUEL PUMP RELAY 72 FUSE 46 FUSE 56 HEATED HEATED OXYGEN OXYGEN SENSOR SENSOR HI WPR RELAY 70 HIGH BEAM PCB RELAY HORN PCB RELAY IGNITION COIL IGNITION CONTROL MODULE (ICM) IGNITION IGNITION COIL COIL IGNITION IGNITION IGNITION COIL COIL COIL INJ FUSE 59 LOW BEAM PCB RELAY MAF/CNSTR VENT FUSE 49 MASS AIR FLOW (MAF)/ INTAKE AIR TEMPERATURE (IAT) SENSOR MEGA FUSE 77 NCA WIRE ODD IGN INJ FUSE 55 PNK WIRE PWR/TRN RELAY 76 RED/BLK WIRE STOP LAMPS PCB RELAY (CUTAWAY) TO BODY FUSE BLOCK (DIAGRAM 4 OF 4) TO RUN/CRNK RELAY 69 (DIAGRAM 3 OF 4) TRAILER LH STOP/TURN PCB RELAY (W/ TRUCK TRAILER) TRAILER RH STOP/TURN PCB RELAY (W/ TRUCK TRAILER) WASHER PCB RELAY WPR FUSE 39 WPR RELAY 71 YEL WIRE

A/C CMPRSR RELAY 74 (MANUAL A/C) CRNK RELAY 73 DOME FLUORESCENT WORK LAMPS FUSE 2 DRL PCB RELAY ECM PWR/TRN FUSE 50 ECM PWR/TRN FUSE 65 ENGINE CONTROL MODULE (ECM) FAN CLUTCH FUSE 58 FAN CLUTCH RELAY 75 FLUORESCENT WORK LAMP RELAY FROM TRLR WRG FUSE (DIAGRAM 1 OF 4) FUEL HEATER FUEL HTR FUSE 4 FUEL PUMP RELAY 72 GLOW PLUG CONTROL MODULE (GPCM) GLOW PLUG MDL FUSE 53 HARNESS, 7 CM FROM BREAKOUT FOR REAR FUSE BLOCK) HARNESS, 8 CM FROM REAR FUSE BLOCK) HI WPR RELAY 70 HIGH BEAM PCB RELAY HORN PCB RELAY LEFT FRONT ACCESS PANEL RELAY 5 LEFT REAR ACCESS PANEL RELAY 1 LOW BEAM PCB RELAY MAF/CNSTR VENT FUSE 49 MASS AIR FLOW (MAF)/ INTAKE AIR TEMPERATURE (IAT) SENSOR MEGA FUSE 77 ORG/ WIRE PANEL ACTUATOR FUSE 3 PNK WIRE PWR/TRN RELAY 76 REAR FUSE BLOCK RED WIRE RED/BLK WIRE STOP LAMPS PCB RELAY (CUTAWAY) TO BODY FUSE BLOCK (DIAGRAM 4 OF 4) TO RUN/CRNK RELAY 69 (DIAGRAM 3 OF 4) TRAILER LH STOP/TURN PCB RELAY (W/ TRUCK TRAILER) TRAILER RH STOP/TURN PCB RELAY (W/ TRUCK TRAILER) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ CARGO LAMP HARNESS, 15 CM FROM REAR FUSE BLOCK) WASHER PCB RELAY WPR FUSE 39 WPR RELAY 71 YEL WIRE

4.8L/6.0L 5.3L BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLUTCH RLY CTRL CNSTR VENT SOL FUSE 17 COMPT) COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE ECM PWR/TRN FUSE 50 ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) EVAP SOL CTRL EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID (NEAR FRONT OF FUEL TANK) EVEN IGN/ INJ FUSE 52 FUEL PUMP RELAY 72 (4.8L/6.0L) FUEL/PUMP FUSE 2 GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES IC 1 CTRL IC 2 CTRL IC 3 CTRL IC 4 CTRL IC 5 CTRL IC 6 CTRL IC 7 CTRL IC 8 CTRL IGN INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW ENGINE OIL PRESSURE IND LOW REF LT BLU WIRE LT BLU/WHT WIRE MAF/ CNSTR VENT FUSE 49 MALFUNCTION INDICATOR LAMP MIL CTRL ODD IGN/INJ FUSE 55 ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK 5 6 7 (OR PNK) WIRE PNK PNK PNK PNK PNK PNK PNK PNK PNK 4 5 6 7 8 9 10 11 12 WIRE PNK PNK PPL PPL 15 16 17 18 19 20 21 22 23 24 WIRE PNK PPL 2 3 4 WIRE PNK WIRE PPL PPL/WHT WIRE PWR/TRN RELAY 76 RED WIRE RED/WHT WIRE SNSR 1 FUSE 46 SNSR 2 FUSE 56 TOS SIG TRANSMISSIONS SYSTEM AIR CONDITIONING SYSTEM UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE WHT WIRE YEL WIRE

4.8L/6.0L 5.3L BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLUTCH RLY CTRL CNSTR VENT SOL FUSE 17 COMPT) COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE ECM PWR/TRN FUSE 50 ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) EVAP SOL CTRL EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID (NEAR FRONT OF FUEL TANK) EVEN IGN/ INJ FUSE 52 FUEL PUMP RELAY 72 (4.8L/6.0L) FUEL/PUMP FUSE 2 GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES IC 1 CTRL IC 2 CTRL IC 3 CTRL IC 4 CTRL IC 5 CTRL IC 6 CTRL IC 7 CTRL IC 8 CTRL IGN INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW ENGINE OIL PRESSURE IND LOW REF LT BLU WIRE LT BLU/WHT WIRE MAF/ CNSTR VENT FUSE 49 MALFUNCTION INDICATOR LAMP MIL CTRL ODD IGN/INJ FUSE 55 ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK 5 6 7 (OR PNK) WIRE PNK PNK PNK PNK PNK PNK PNK PNK PNK 4 5 6 7 8 9 10 11 12 WIRE PNK PNK PPL PPL 15 16 17 18 19 20 21 22 23 24 WIRE PNK PPL 2 3 4 WIRE PNK WIRE PPL PPL/WHT WIRE PWR/TRN RELAY 76 RED WIRE RED/WHT WIRE SNSR 1 FUSE 46 SNSR 2 FUSE 56 TOS SIG TRANSMISSIONS SYSTEM AIR CONDITIONING SYSTEM UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE WHT WIRE YEL WIRE