Chevrolet Chevy Express G3500 (1996-2012) Instrument illumination circuit

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

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

12 CM FROM LEFT FRONT DOME FLUORESCENT WORK LAMP CONNECTOR) BLK WIRE BLU WIRE DK BLU/WHT WIRE DOME FLUORESCENT WORK LAMPS DRIVER DOOR LATCH ASSEMBLY (AT REAR OF DRIVER DOOR) FRONT CARGO FLUORESCENT WORK LAMP FUSE 2 GRY WIRE GRY/BLK WIRE LEFT FRONT ACCESS PANEL FLUORESCENT WORK LAMP LEFT REAR ACCESS PANEL FLUORESCENT WORK LAMP LEFT REAR DOOR JAMB SWITCH (W/ LEFT REAR HINGED DOOR) (AT LEFT "B" PILLAR) ORG/ WIRE PACKAGE, CARGO LAMP) DOME FLUORESCENT WORK LAMPS RELAY PASSENGER DOOR LATCH ASSEMBLY (AT REAR OF FRONT PASSENGER DOOR) REAR CARGO FLUORESCENT WORK LAMP REAR FUSE BLOCK (ON LEFT "B" PILLAR) RED WIRE RIGHT ACCESS PANEL FLUORESCENT WORK LAMP RIGHT REAR DOOR JAMB SWITCH (CARGO/ PASSENGER) (AT RIGHT "B" PILLAR) TAN/WHT WIRE WHT WIRE YEL WIRE YEL/BLK WIRE