Chevrolet Chevy Express G2500 (1996-2012) middle dome/ reading lamps Wiring diagrams

1 18 25 COURTESY LP CTRL COURTESY LP CTRL DEFEAT SW SIG 149 (OR 690) 16 17 DATA BUS+ DATA BUS- 20 CM FROM RIGHT SUNSHADE BREAKOUT) 2500 2501 COMPUTER DATA LINES SYSTEM BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) CARGO CARGO DOOR LATCH ASSEMBLY (IN RIGHT REAR CARGO DOOR) CARGO/PASSENGER COURTESY LP CTRL CTSY LP CTRL DK BLU WIRE DK BLU/WHT WIRE DOME DOME READING FL DOME RLY CTRL FRONT DOME/ READING LAMPS GRY WIRE GRY/BLK WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES LEFT SUNSHADE LIFTGATE AJAR SW SIG LOWER RIGHT "B" MIDDLE DOME/ READING LAMPS ORG/ WIRE PASSENGER PASSENGER/CARGO W/O RV UPFITTER PNK/BLK WIRE PPL PROVISIONAL READING REAR DOME/ READING LAMPS (PASSENGER) DOME LAMP (CARGO) RED WIRE RIGHT SUNSHADE (ON UPPER RIGHT OF HEADLINER) SPLICE BLOCK TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THE ENGINE BLOCK) (4.3L: RIGHT REAR OF ENGINE) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD LAMP UPFTR AUX 1 UPFTR CTSY UPFTR CTSY LAMP W/ COMMERCIAL TRADESMAN SALES PACKAGE, CARGO LAMP W/ CUTAWAY W/ CUTAWAY, CARGO W/O RV UPFITTER W/ LEFT, RIGHT SUNSHADE MIRROR W/ RV UPFITTER W/ RV UPFITTER, LEFT, RIGHT SUNSHADE MIRROR W/O RV UPFITTER W/O RV W/ RV UPFITTER UPFITTER WHT WIRE YEL/BLK WIRE

19 CM FROM LEFT FRONT DOME FLUORESCENT WORK LAMP CONNECTOR) 30 CM FROM PASSENGER 5.3L W/O BACKUP ALARM AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY BLOWER MOTOR BLK WIRE BLK/WHT WIRE BREAKOUT) CARGO DOOR LATCH CARGO DOOR LOCK SWITCH CENTER HIGH MOUNTED STOP LAMP (CHMSL) DOME LAMP EXCEPT 5.3L EXCEPT 5.3L W/ BACKUP ALARM FUEL COOLANT PUMP HEATER COOLANT HEATER FUEL PUMP, SENDER ASSEMBLY LEFT REAR ACCESS PANEL FLUORESCENT WORK LAMP LEFT TAIL/STOP LEFT BACKUP TURN SIGNAL LAMP LAMP LICENSE LAMP MIDDLE DOME/ READING LAMPS NCA WIRE PASSENGER/CARGO, 4.3L/4.8L/6.0L REAR AUXILIARY HVAC CONTROL ASSEMBLY REAR DOME READING LAMPS RIGHT ACCESS PANEL FLUORESCENT WORK LAMP RIGHT BACKUP LAMP RIGHT REAR WINDOW DEFOGGER GRID RIGHT TAIL/STOP, TURN SIGNAL LAMP TRAILER CONNECTOR W/ AUXILIARY HEATER W/O REAR A/C W/ AUXILIARY HEATER, REAR A/C, REAR WINDOW DEFOGGER W/ CARGO 42 CM FROM LEFT FRONT SIDE FRONT ACCESS PANEL ACTUATOR) LAMPS W/ FUEL FIRED AUXILIARY HEATER W/ REAR A/C W/ REAR A/C, SWB W/ REAR W/O REAR WINDOW WINDOW DEFOGGER DEFOGGER W/ REAR WINDOW DEFOGGER W/ TRUCK TRAILER HD WIRING HARNESS W/ TRUCK W/O TRUCK TRAILER HD TRAILER HD WIRING WIRING HARNESS HARNESS W/O AUXILIARY HEATER, REAR A/C W/O ELECTRONIC SIDE DOOR LOCK CONTROL W/O REAR WINDOW DEFOGGER WHT WIRE

19 CM FROM LEFT FRONT DOME FLUORESCENT WORK LAMP CONNECTOR) 30 CM FROM PASSENGER 42 CM FROM LEFT FRONT SIDE FRONT ACCESS PANEL ACTUATOR) AUXILIARY AIR TEMPERATURE ACTUATOR AUXILIARY BLOWER MOTOR BLK WIRE BLK/WHT WIRE BREAKOUT) CARGO DOOR LATCH CARGO DOOR LOCK SWITCH CENTER HIGH MOUNTED STOP LAMP (CHMSL) DOME LAMP ELECTRONIC BRAKE CONTROL MODULE (EBCM) FRONT CARGO FLUORESCENT WORK LAMP FUEL FILTER PRESSURE SWITCH LEFT LEFT REAR REAR WINDOW WINDOW DEFOGGER DEFOGGER GRID GRID LEFT REAR SIDE FRONT ACCESS PANEL ACTUATOR LEFT REAR SIDE REAR ACCESS PANEL ACTUATOR W/ AUXILIARY HEATER W/O REAR A/C LEFT TAIL/STOP LEFT BACKUP TURN SIGNAL LAMP LAMP LICENSE LAMP MIDDLE DOME/ READING LAMPS NCA WIRE REAR AUXILIARY HVAC CONTROL ASSEMBLY REAR CARGO FLUORESCENT WORK LAMP REAR DOME READING LAMPS RIGHT ACCESS PANEL FLUORESCENT WORK LAMP RIGHT BACKUP LAMP RIGHT PARK/TURN SIGNAL LAMP RIGHT REAR WINDOW DEFOGGER GRID RIGHT SIDE FRONT ACCESS PANEL ACTUATOR RIGHT TAIL/STOP, TURN SIGNAL LAMP SWING OUT REAR DOOR WINDOW STATIONARY REAR DOOR WINDOW W/ AUXILIARY HEATER, REAR A/C W/ AUXILIARY HEATER, REAR A/C, REAR WINDOW DEFOGGER W/ CARGO LAMPS W/ ELECTRIC SIDE DOOR LOCK CONTROL W/ REAR A/C W/ REAR A/C, SWB W/ REAR WINDOW DEFOGGER W/O ACTIVE BRAKE CONTROL W/ ACTIVE BRAKE CONTROL W/O AUXILIARY HEATER, REAR A/C W/O ELECTRIC SIDE DOOR LOCK CONTROL W/O REAR WINDOW DEFOGGER WHT WIRE

1 18 25 COURTESY LP CTRL COURTESY LP CTRL DEFEAT SW SIG 149 (OR 690) 20 CM FROM RIGHT SUNSHADE BREAKOUT) BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (BEHIND LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (UNDER LEFT FRONT SEAT) CARGO CARGO DOOR LATCH ASSEMBLY (IN RIGHT REAR CARGO DOOR) CARGO/PASSENGER COURTESY LP CTRL CTSY LP CTRL DK BLU WIRE DK BLU/WHT WIRE DOME DOME READING FL DOME RLY CTRL FRONT DOME/ READING LAMPS GRY WIRE GRY/BLK WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES LEFT SUNSHADE LIFTGATE AJAR SW SIG MIDDLE DOME/ READING LAMPS ORG/ WIRE PASSENGER PASSENGER/CARGO W/O RV UPFITTER PNK/BLK WIRE PPL PROVISIONAL READING REAR DOME/ READING LAMPS (PASSENGER) DOME LAMP (CARGO) RED WIRE RIGHT SUNSHADE (ON UPPER RIGHT OF HEADLINER) TAN/WHT WIRE THE ENGINE BLOCK) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) UNDERHOOD LAMP UPFTR AUX 1 FUSE 36 (W/ CUTAWAY, AMBULANCE, RV UPFITTERS) UPFTR CTSY LAMPS FUSE 4 UPFTR CTSY LAMPS PCB RELAY (W/ AMBULANCE, RV UPFITTER) W/ COMMERCIAL TRADESMAN SALES PACKAGE, CARGO LAMP W/ CUTAWAY W/ CUTAWAY, CARGO W/O RV UPFITTER W/ LEFT, RIGHT SUNSHADE MIRROR W/ RV UPFITTER W/ RV UPFITTER, LEFT, RIGHT SUNSHADE MIRROR W/O RV UPFITTER W/O RV W/ RV UPFITTER UPFITTER WHT WIRE YEL/BLK WIRE