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

11 12 IPL DIMMER SW SIG IP DIMMING VOLT REF 2 15 HEAD 8 17 PARK LAMPS SIG HEADLAMPS OFF SIG AUXILIARY BLOWER MOTOR SWITCH BCM 1 FUSE 59 BCM 2 FUSE 58 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONNECTOR) PNK WIRE CONTROL DK GRN WIRE DRIVER DOOR LOCK SWITCH DRIVER INFORMATION CENTER (DIC) SWITCH DRIVER WINDOW SWITCH FRONT AUXILIARY HVAC CONTROL ASSEMBLY HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) HVAC CONTROL ASSEMBLY IN FRONT HEADLINER HARNESS, 21 CM INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH (W/ MANUAL SUPPRESSION) IPL DIMMING CTRL LEFT STEERING WHEEL CONTROL SWITCH LT BLU WIRE OFF AUTO PARK ORG/WHT WIRE PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW SWITCH PNK CONTROL PNK WIRE PNK PNK W/O REDUNDANT RADIO STEERING WHEEL WIRE PNK WIRE RADIO REAR AUXILIARY HVAC CONTROL ASSEMBLY SPLICE BLOCK RED WIRE RED/WHT WIRE RIGHT STEERING WHEEL CONTROL SWITCH SPLICE BLOCK STR/WHL/ SNSR TAN WIRE TAN/BLK WIRE TOW/HAUL SWITCH TRACTION CONTROL SWITCH (TCS) (W/ ACTIVE BRAKE CONTROL) W/ AUTOMATIC ELECTRONIC CRUISE CONTROL W/ AUXILIARY HEATER W/O REAR A/C W/ ELECTRIC SIDE DOOR LOCK W/ POWER OPERATED WINDOW (W/ POWER MIRRORS, POWER WINDOWS) W/ REAR W/O REAR AUXILIARY AUXILIARY CONTROLS CONTROLS W/ REDUNDANT RADIO STEERING WHEEL W/ RV UPFITTER W/O RADIO PROVISIONS W/O RV UPFITTER WHT WIRE YEL WIRE

AIRBAG FUSE 37 BANK 1 SENSOR 1 BANK 1 SENSOR 2 BANK 2 SENSOR 1 BANK 2 SENSOR 2 BRN WIRE BTSI/BU FUSE 36 SPARE FUSE 35 CRUISE CONTROL MODULE (IF EQUIPPED) THROTTLE ACTUATOR CONTROL MODULE CTSY LP RELAY 26 (RV/UPFITTER) CTSY LP/SEO FUSE 3 DK GRN WIRE FR PRK FUSE 22 FROM UNDERHOOD FUSE BLOCK (IGN A FUSE 49) (DIAGRAM 2 OF 6) FROM UNDERHOOD FUSE BLOCK (IGN B, FUSE 52) (DIAGRAM 2 OF 6) FUSE 39 FUSE 40 HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR HEAVY DUTY IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH (HEAVY DUTY) INFLATABLE RESTRAINT PASSENGER AIRBAG OFF/ON INDICATOR INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE (LIGHT DUTY) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE ISRVM FUSE 26 LEFT FRONT MARKER LAMP LEFT FRONT PARK/TURN SIGNAL LAMP LICENSE LAMP LIGHT DUTY LOCK LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PARK PARK LP RELAY 29 PARK/ NEUTRAL POSITION (PNP) SWITCH REVERSE PCM IGN 1 FUSE 38 PNK WIRE RED/BLK WIRE RIGHT FRONT PARK/TURN SIGNAL LAMP RIGHT FRONT MARKER LAMP RIGHT TAIL/STOP, TURN SIGNAL LAMP LEFT TAIL/STOP, TURN SIGNAL LAMP RR PRK FUSE 20 LR PRK FUSE 18 RUN WIRE SPARE FUSE 25 STEERING WHEEL SPEED/ POSITION SENSOR STOP LAMP SWITCH (BLUNT CUT) (NOT USED) TBC IGN 1 FUSE 24 TO BODY FUSE BLOCK (AUXILIARY 1 FUSE 32) (DIAGRAM 5 OF 6) TO BODY FUSE BLOCK (BRK FUSE 11) (DIAGRAM 5 OF 6) TO UNDERHOOD FUSE BLOCK (CRANK FUSE 27) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (ENG 2 FUSE 21) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (IGN O FUSE 6) (DIAGRAM 4 OF 6) TO UNDERHOOD FUSE BLOCK (TBC ACC FUSE 46) (DIAGRAM 4 OF 6) TRAILER WIRING CUTAWAY TRLR BU FUSE 5 BTSI FUSE 28 TRLR PRK FUSE 21 UPFTR PRK FUSE 16 UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE

4.3L AUTOMATIC TRANSMISSION BODY CONTROL MODULE (BCM) BRN WIRE CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) FUEL INJECTOR 3 CRANK FUSE 27 ENG 1 FUSE 23 ENG 2 FUSE 21 EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID EXCEPT 4.3L EXCEPT 4.3L 4.3L EXCEPT 4.3L 4.3L 4.3L FR WPR FUSE 47 FROM ENG 1 FUSE 23 (DIAGRAM 4 OF 6) FROM IGNITION SWITCH (DIAGRAM 3 OF 6) FROM UNDERHOOD FUSE BLOCK (AIR BAG FUSE 37) (DIAGRAM 3 OF 6) FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 7 FUEL INJECTOR 6 CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) FUEL INJECTOR 8 IGN 0 FUSE 6 IGN E FUSE 22 IGNITION COIL IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 2 IGNITION COIL 7 IGNITION COIL 5 IGNITION COIL 8 IGNITION COIL 4 IGNITION COIL 6 IGNITION COIL MODULE INSTRUMENT PANEL CLUSTER MASS AIR FLOW (MAF SENSOR) NCA WIRE NOT USED NOT USED PARK/ NEUTRAL POSITION (PNP) SWITCH PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) PPL STOP LAMP SWITCH CRUISE CONTROL ON/OFF SWITCH TBC ACCY FUSE 46 TO IGN E FUSE 22 (DIAGRAM 4 OF 6) TURN SIGNAL SWITCH TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) A/C RELAY 54 WHT WIRE WINDSHIELD WIPER MOTOR YEL WIRE

1 2 3 4 BATTERY B+ SERIAL DATA PNK WIRE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) CARGO DOOR LATCH ASSEMBLY CARGO UNLK FUSE 5 CARGO UNLK RELAY 27 DK BLU WIRE DOOR LKS FUSE 15 DOOR LKS RELAY 30 DOOR LOCK CTRL UNLOCK CTRL DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR LOCK SWITCH DRV LKS FUSE 7 DRV UNLK RELAY 28 FRONT PASSENGER DOOR LATCH ASSEMBLY FRONT PASSENGER DOOR LOCK SWITCH GROUND GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER LEFT REAR SIDE DOOR LOCK ACTUATOR LEFT SIDE DOOR CONTACT PLATE (LEFT "B" PILLAR) LT BLU WIRE LT GRN WIRE PASS UNLK RELAY 31 REAR CARGO DOOR LOCK SWITCH RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (BEHIND CENTER OF DASH) RIGHT REAR SIDE DOOR LOCK ACTUATOR RIGHT SIDE DOOR CONTACT PLATE (RIGHT "B" PILLAR) SERIAL DATA SERIAL DATA UNLOCK RLY CTRL SW UNLOCK CTRL SW LOCK CTRL RELEASE RLY CTRL SPLICE SPLICE PACK TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) RFA FUSE 20 WHT WIRE

BLK WIRE BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN/WHT WIRE DEFOGGER SYSTEM DK BLU/WHT WIRE DRIVER OUTSIDE REARVIEW MIRROR (IN DRIVER DOOR) DRIVER PASSENGER EXTERIOR LIGHTS DEFOGGER SYSTEM SYSTEM HOT AT ALL TIMES LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/WHT WIRE OSRVM SW FUSE 9 OUTSIDE REARVIEW MIRROR SWITCH PASSENGER OUTSIDE REARVIEW MIRROR (IN RIGHT FRONT PASSENGER DOOR) PPL/WHT WIRE RED/WHT WIRE RL (+) UP DN UP DN UP UP/DN WHT WIRE YEL WIRE

BLK WIRE BODY CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) IGN VOLT BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) BRN WIRE DK BLU WIRE DK GRN WIRE DRIVER WINDOW SWITCH HOT AT ALL TIMES LT BLU WIRE PASSENGER WINDOW SWITCH PWR WDO CIRCUIT BREAKER 2 RAP RELAY RIGHT DN SPLICE SPLICE BLOCK TAN WIRE UP DN UP DN LEFT WHT WIRE YEL WIRE

ANTENNA ANTENNA IN BLK WIRE BLK/WHT WIRE BLUNT CUT) CLASS 2 DATA COAX COMPUTER DATA LINES SYSTEM CUTAWAY UPFITTER DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT REAR DOOR SPEAKER (IF EQUIPPED) LEFT REAR SPEAKER LF SPEAKER (+) LF SPEAKER (-) RR SPEAKER (-) RR SPEAKER (+) GROUND BATTERY LR SPEAKER + LR SPEAKER - RF SPEAKER - RF SPEAKER + LT BLU WIRE NOT USED ORG/ WIRE PASSENGER/ CARGO RADIO RADIO BAT FUSE 1 RED/WHT WIRE RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER (IF EQUIPPED) RIGHT REAR SPEAKER TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPTARTMENT) WHT WIRE

ANTENNA ANTENNA IN BLK WIRE BLK/WHT WIRE BRN/WHT WIRE CLASS 2 DATA COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM DASH LMP DIM CNTRL LEFT FRONT DOOR SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR SPEAKER LF SPEAKER (+) LF SPEAKER (-) RR SPEAKER (-) RR SPEAKER (+) GROUND BATTERY LT BLU WIRE LT GRN WIRE ORG/ WIRE PPL PPL REMOTE RAD VOLT PPL RSA SWITCH RADIO RADIO BAT FUSE 1 REAR SEAT AUDIO CONTROL RED/WHT WIRE REM RADIO SIG LR SPEAKER (+) LR SPEAKER (-) RF SPEAKER (-) RF SPEAKER (+) RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR SPEAKER TAN WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) WHT WIRE

2500 2501 COMPUTER DATA LINES SYSTEM 28 27 43 44 66 46 HI SPD SER DATA (+) HI SPD SER DATA (-) AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION (EXCEPT 4.3L, 5.3L) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BRAKE BRAKE POS POS LOW SEN (-) (+) (-) (+) REF SIG BRAKE PEDAL POSITION SENSOR (TOP OF BRAKE PEDAL ASSEMBLY) BRK B+ BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID FUEL TEM SIG BRAKE APPLY SEN SIG LOW REF GM LAN HI SPD GRY WIRE HI SPD SER DATA + INTERNAL MODE SWITCH (IMS) MODULE (TCM) PARK/NEUTRAL POSITION (PNP) SWITCH RED WIRE SOL CTRL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSION CONTROL TRANSMISSION CONTROL MODULE (TCM) (6.6L:LEFT FRONT CORNER OF ENGINE COMPT) VALVE ASSEMBLY WHT WIRE YEL WIRE

AIR BAG OFF IND AIR BAG ON IND BLK/BLU WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONNECTOR BREAKOUT) PNK WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER SEAT BELT SWITCH DRIVER SEAT BELT BUCKLE FRT PRK LAMPS FUSE 4 GRY WIRE HEAVY DUTY HOT AT ALL TIMES BODY FUSE AIR BAG/ AOS BLOCK (UNDER FUSE 10 LEFT FRONT SEAT) HOT W/ PRK LAMPS RELAY HOT W/ RUN/ CRNK RELAY 15 ENERGIZED AIR BAG FUSE 28 INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER LEFT FRONT SEAT) INFLATABLE RESTRAINT STEERING WHEEL MODULE (IN STEERING WHEEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (AT TOP OF STEERING COLUMN) IPC FUSE 10 LIGHT DUTY LO CTRL HI CTRL HI CTRL LO CTRL L LO CTRL L HI CTRL R HI CTRL R LO CTRL LOGIC LOW REFERENCE LOW SPD BATT GROUND LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER SEAT BELT BUCKLE (W/O MANUAL SUPPRESSION SWITCH, RV/UPFITTER) PASSENGER SEAT BELT SWITCH PNK 1 1 1 1 1 1 1 1 1 1 1 1 LO CTRL HI CTRL HI CTRL LO CTRL WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE RED/ WHT WIRE RED/WHT WIRE ROLLOVER HI SIG L SEAT BELT SW R SEAT BELT SW SENS SIG SHORTING BAR SHORTING SHORTING BAR BAR SUPPRESSION IND CTRL SW SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/ MANUAL SUPPRESSION SWITCH W/O MANUAL SUPPRESSION SWITCH, RV/UPFITTER WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE