Chevrolet Chevy Express H2500 (2003-2003) lt grn Wiring diagrams

BACKUP LAMP BLK WIRE BODY CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) HOT AT ALL TIMES LEFT TAIL LAMP ASSEMBLY LT GRN WIRE NCA WIRE POWER MIIRROR SYSTEM RED WIRE RIGHT TAIL LAMP ASSEMBLY TBC 2 FUSE 18 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT) WHT WIRE

AUXILIARY 1 FUSE 32 BLK WIRE BODY CONTROL MODULE (BCM) (LOWER RIGHT SIDE OF I/P) BODY FUSE BLOCK (BELOW DRIVERS SEAT) CARGO CARGO DOOR LATCH ASSEMBLY CTSY CTSY LPS SUPPLY BATTERY DK BLU/WHT WIRE DOME DOME DEFEAT DOOR OPEN SW SIG REAR DOOR AJAR CTSY LAMPS ON SIG LF DOOR SW SIG DRIVER DOOR LATCH ASSEMBLY FL WORK LMP SIG FL WORK LMP CTRL GRY/BLK WIRE HEADLAMP AND PANEL DIMMER SWITCH HNDL HNDL DOME HOT AT ALL TIMES LEFT REAR DOOR JAMB SWITCH LT GRN WIRE NOT USED ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY POWER PPL PPL DEFEAT SW SIG REAR DOME LAMP RED WIRE RED/WHT WIRE RIGHT REAR DOOR JAMB SWITCH SPLICE TAN WIRE TBC 2 FUSE 18 UNDERHOOD FUSE BLOCK (ON LEFT FRONT FENDER) W/ POWER DOOR LOCKS W/O POWER DOOR LOCKS YEL/BLK WIRE

AUXILIARY 1 FUSE 32 BLK WIRE BODY CONTROL MODULE (BCM) (LOWER RIGHT SIDE OF I/P) BODY FUSE BLOCK (BELOW DRIVERS SEAT) CARGO DOOR LATCH ASSEMBLY CTSY CTSY LP RELAY 26 CTSY LP/ SEO FUSE 3 CTSY LPS SUPPLY BATTERY DK BLU WIRE DK BLU/WHT (OR ORG) WIRE DK BLU/WHT WIRE DOME DOME DEFEAT DOME FLOUR- ESCENT FUSE 2 DOME FLUORESCENT WORK LAMP 1 DOME FLUORESCENT WORK LAMP 2 DOME FLUORESCENT WORK LAMP RELAY (2004) (ATTACHED TO LEFT "B" PILLAR) DOOR OPEN SW SIG REAR DOOR AJAR CTSY LAMPS ON SIG REAR DOOR SW SIG DRIVER DOOR LATCH ASSEMBLY FL DOME LP SIG FL DOME RELAY CTRL FROM LEFT VANITY MIRROR BREAKOUT) GRY/BLK WIRE HEADLAMP AND PANEL DIMMER SWITCH HNDL HOT AT ALL TIMES LEFT FRONT DOME FLUORESCENT WORK LAMP LEFT REAR DOME FLUORESCENT WORK LAMP LEFT REAR DOOR JAMB SWITCH LEFT VANITY MIRROR LAMP LT GRN WIRE NOT USED ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY POWER PPL PPL DEFEAT SW SIG PROVISIONAL REAR FUSE BLOCK (ATTACHED TO LEFT "B" PILLAR) RED WIRE RED/WHT WIRE RIGHT DOME FLUORESCENT WORK LAMP RIGHT REAR DOOR JAMB SWITCH RIGHT VANITY MIRROR LAMP SPLICE TAN WIRE TBC 2 FUSE 18 UNDERHOOD LAMP W/ POWER DOOR LOCKS W/O POWER DOOR LOCKS WHT WIRE YEL/BLK WIRE

+BC BLK WIRE BODY CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) COMPOSITE SEALED COMPOSITE+ DIMMER SWITCH SIGNAL DK GRN WIRE FLASH TO PASS SIGNAL FTP FUSE LINK B HDLP HIBM RELAY HDLP LOBM RELAY HEAD HEADLAMP DIMMER SWITCH HEADLAMP ON SIGNAL HEADLAMP, PANEL DIMMER SWITCH HIGH BEAM RELAY CONTROL HOT AT ALL TIMES LEFT HIGH BEAM HEADLAMP LEFT HEADLAMP LEFT LOW BEAM HEADLAMP LH- HIBM FUSE 44 LH- HIBM FUSE 45 LH- LOBM FUSE 43 LOW BEAM RELAY CONTROL LT GRN WIRE OFF PARK PNK WIRE PNK/WHT WIRE RED WIRE RH- LOBM FUSE 42 RIGHT HEADLAMP RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP SEALED TAN WIRE TAN/WHT WIRE TURN SIGNAL/ MALFUNCTION SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE

BANK 1 SENSOR 1 BANK 1 SENSOR 2 BANK 2 SENSOR 1 BANK 2 SENSOR 2 BLUNT CUT) BODY FUSE BLOCK BRN WIRE BTSI/BU FUSE 36 SPARE FUSE 25 CRUISE CONTROL MODULE (IF EQUIPPED) CTSY LP RELAY (RV/UPFITTER) CTSY LP/SEO FUSE 3 CUTAWAY DK GRN WIRE FR PRK FUSE 22 FROM BODY FUSE BLOCK (AUXILIARY 2 FUSE 33) (DIAGRAM 2 OF 6) 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 IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH (HEAVY DUTY) INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSIDE REARVIEW MIRROR (W/ TEMP DISPLAY) BODY CONTROL MODULE (BCM) ISRV FUSE 26 LEFT FRONT MARKER LAMP LEFT FRONT PARK/TURN SIGNAL LAMP LICENSE LAMP LOCK LOCK OFF LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF ORG/ WIRE PARK PARK LP RELAY PARK/ NEUTRAL POSITION (PNP) SWITCH PCM IGN 1 FUSE 38 PNK WIRE POWERTRAIN CONTROL MODULE (PCM) RED/BLK WIRE REVERSE RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/TURN SIGNAL LAMP RIGHT TAIL/STOP, TURN SIGNAL LAMP LEFT TAIL/STOP, TURN SIGNAL LAMP RIGHT TAILLAMP ASSEMBLY LEFT TAILLAMP ASSEMBLY RR PRK FUSE 20 LR PRK FUSE 18 RUN WIRE SIR FUSE 37 SPARE FUSE 35 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 (BRKS 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 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

BLK WIRE BODY CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) CARGO DOOR JAMB SWITCH CARGO UNLK FUSE 5 CARGO UNLK RELAY DK BLU WIRE DOOR LKS FUSE 15 DOOR LKS RELAY DOOR LOCK CTRL UNLOCK CTRL DRIVER DOOR JAMB SWITCH DRIVER DOOR LOCK SWITCH DRV LKS FUSE 7 DRV UNLK RELAY FRONT PASSENGER DOOR JAMB SWITCH FRONT PASSENGER DOOR LOCK SWITCH REAR CARGO DOOR LOCK SWITCH GRY WIRE HOT AT ALL TIMES LEFT DOOR CONTACT PLATE (LEFT "B" PILLAR) LEFT REAR DOOR LOCK ACTUATOR LT BLU WIRE LT GRN WIRE PASS UNLK RELAY PASSENGER VAN PILLAR) RIGHT DOOR CONTACT PLATE (RIGHT "B" RIGHT REAR DOOR LOCK ACTUATOR SPLICE PACK (TOP OF LEFT "D" PILLAR) SW LOCK CTRL SW UNLOCK CTRL UNLOCK RLY CTRL RELEASE RLY CTRL TAN WIRE TAN/BLK WIRE WHT WIRE

BLK WIRE BODY FUSE BLOCK BRN/ WHT WIRE BRN/WHT WIRE DRIVER OUTSIDE REARVIEW MIRROR HOT AT ALL TIMES LEFT MIRROR RIGHT MIRROR LT GRN WIRE ORG/ WIRE ORG/WHT WIRE OSRVM FUSE 2 OUTSIDE REARVIEW MIRROR SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PPL/WHT WIRE RIGHT/ LEFT MOTOR RIGHT/ LEFT MOTOR UP/ DOWN MOTOR UP DN UP DN UP UP/ DOWN MOTOR WHT WIRE YEL WIRE

1 2 VOICE SIGNAL VOICE LOW REF ANTENNA ANTENNA IN BLK/WHT WIRE BRN/WHT WIRE CELL PHONE REF CELL PHONE SIG CLASS 2 DATA 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 FRONT DOOR TWEETER SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR SPEAKER LF SPEAKER (+) LF SPEAKER (-) RR SPEAKER (-) RR SPEAKER (+) GROUND BATTERY LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE NCA 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 TAN WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE COMMUNICATION INTERFACE MODULE WHT WIRE

A/T SHIFT LOCK CONTROL SOLENOID (RIGHT SIDE OF STEERING COLUMN) BLK WIRE DK GRN WIRE HOT IN RUN OR START BTSI/BU FUSE 36 LT GRN WIRE PARK/ NEUTRAL POSITION SWITCH (ON LEFT SIDE OF TRANSMISSION) PNK WIRE STOPLAMP SWITCH (ABOVE BRAKE PEDAL) UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK BTSI FUSE 28 WHT WIRE

24 25 26 27 28 29 30 31 PPL 32 33 34 PNK WIRE 8 9 PNK WIRE A/C REQUEST A/C SYSTEM ANTI-LOCK BRAKES SYSTEM CRUISE CONTROL SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRANK FUSE 27 CRUISE CONTROL SYSTEM CRUISE ENGAGED CRUISE INHIBIT CTRL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENG 1 FUSE 23 EVAP CANP CTRL EVAP VENT CTRL MIL CTRL 2-3 SS CTRL 1-2 SS CTRL VSS VSS TFT SENS SIG GEN CYCLE SIG IAC COIL B HI IAC COIL B LOW IAC COIL A LOW IAC COIL A HI GEN IND. GRY WIRE HOT IN RUN, START HOT IN START IC 8 CTRL IC 2 CTRL IC 5 CTRL IC 3 CTRL IDLE AIR CONTROL VALVE (ON LEFT SIDE OF THROTTLE BODY) IGN IGN FEED GND EGR CTRL (6.0L) TCC SOL CTRL CLU RLY CTRL IGNITION COILS INSTRUMENT PANEL CLUSTER LOGIC LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAF SIG MAP SIG MALFUNCTION INDICATOR LAMP NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PC SOL HI CTRL EGR HI CTRL PC SOL LO CTRL PMP RLY CTRL PCM IGN 1 FUSE 38 PNK 6 7 WIRE PNK WIRE POWERTRAIN CONTROL MODULE (IN ENGINE COMPT, ON LEFT INNER FENDER) PPL PPL FUEL LEV SIG A/C LOW PRESS PPL PNK PNK WIRE PPL/WHT WIRE RED WIRE REF LO SPARK PLUG STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE