Chevrolet Chevy Express H2500 (2003-2003) headlamp and panel dimmer switch Wiring diagrams

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

BLK WIRE BLU WIRE BODY CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (BELOW LEFT FRONT SEAT) BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK DK DK GRN WIRE DK GRN/WHT WIRE DR TRN MIR FUSE 14 DRIVER'S OUTSIDE REAR VIEW MIRROR (LEFT TURN SIGNAL) DRL ON/OFF SIG FR PRK FUSE 22 FRONT TURN SIGNAL LAMP SUPPLY VOLTAGE GRN WIRE HAZARD SWITCH HEAD OFF HEADLAMP AND PANEL DIMMER SWITCH HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER LEFT LEFT TURN SIGNAL IND LOGIC LP PKR FUSE 18 LT BLU/WHT WIRE LT GRN/BLK WIRE NCA WIRE NOT USED PARK PARK LAMP RELAY PARK LAMP RLY CTRL HAZARD SW SIG DRL LOW CONTROL PARK LAMP SW ON SIG PASS TRN MIR FUSE 19 PASSENGER'S OUTSIDE REAR VIEW MIRROR (RIGHT TURN SIGNAL) PNK WIRE PROVISIONAL RED/WHT WIRE RIGHT RIGHT TURN SIGNAL IND SPLICE PACK TRAILER WIRING (BLUNT CUT) TRLR PRK FUSE 21 TURN SIGNAL SWITCH TURN SIGNAL/ MULTIFUNCTION SWITCH TURN SIGNAL/HAZARD FLASHER MODULE (BEHIND LEFT SIDE OF DASH) UPFTR PRK FUSE 16 WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLU WIRE BODY CONTROL MODULE (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (BELOW LEFT FRONT SEAT) BODY FUSE BLOCK (BELOW LEFT FRONT SEAT) STOP/ CHMSL FUSE 8 BRN WIRE BRN/WHT WIRE CHMSL/ STOP LAMP SUPPLY VOLTAGE DK BLU WIRE DK BLU/WHT WIRE DK CRUISE CONTROL SYSTEM DK GRN WIRE DK GRN/WHT WIRE DK USED DR TRN MIR FUSE 14 DRIVER'S OUTSIDE REAR VIEW MIRROR (LEFT TURN SIGNAL) DRL ON/OFF SIG FR PRK FUSE 22 FRONT TURN SIGNAL LAMP SUPPLY VOLTAGE GRN WIRE HAZARD SWITCH HEAD OFF HEADLAMP AND PANEL DIMMER SWITCH HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER LEFT LEFT TAIL LAMP ASSEMBLY LEFT TURN SIGNAL IND LOGIC LICENSE LAMP LP PKR FUSE 18 LR STOP/ TURN FUSE 4 LT BLU WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE NCA WIRE NOT USED PARK PARK LAMP RELAY PARK LAMP RLY CTRL HAZARD SW SIG DRL LOW CONTROL PARK LAMP SW ON SIG PASS TRN MIR FUSE 19 PASSENGER'S OUTSIDE REAR VIEW MIRROR (RIGHT TURN SIGNAL) PNK WIRE PROVISIONAL RED/WHT WIRE RIGHT RIGHT TAIL LAMP ASSEMBLY CENTER HIGH MOUNTED STOP LAMP RIGHT TURN SIGNAL IND RR STOP/ TURN FUSE 6 SPLICE PACK TAIL/ STOP/ TURN SIGNAL LAMP TRAILER WIRING (BLUNT CUT) TRLR PRK FUSE 21 TURN SIGNAL SWITCH TURN SIGNAL/ MULTIFUNCTION SWITCH TURN SIGNAL/HAZARD FLASHER MODULE (BEHIND LEFT SIDE OF DASH) UPFTR PRK FUSE 16 WHT WIRE YEL WIRE YEL/BLK WIRE

5 VOLT REF HEADLAMP ON IND PNK WIRE AUXILIARY BLOWER MOTOR SWITCH BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (BELOW LEFT FRONT SEAT) BRN/WHT WIRE DIMMING INPUT DIMMING RETURN DRIVER DOOR LOCK SWITCH DRIVER WINDOW SWITCH ENC = HVAC PROVISIONS AUXILIARY HEATER PLUMBING AND WIRING FRONT AUXILIARY HVAC CONTROL ASSEMBLY FRONT PASSENGER DOOR LOCK SWITCH FRONT PASSENGER WINDOW SWITCH GRY WIRE GRY/BLK WIRE HEADLAMP AND PANEL DIMMER SWITCH HVAC CONTROL ASSEMBLY INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INSTRUMENT CLUSTER LOGIC ORG/BLK WIRE PANEL LPS DIM BACK-UP LPS CTRL LED DIMMING SIG PNK WIRE PPL/WHT WIRE REAR AUXILIARY HVAC CONTROL ASSEMBLY REAR SEAT AUDIO (RSA) CONTROL SPLICE TOW/HAUL SWITCH TRACTION CONTROL SWITCH (2004) W/ REAR AUX CONTROLS W/O REAR AUX CONTROLS WITH P/WINDOWS AND DOOR LOCKS YEL WIRE