Car Wiring Diagrams for Instrument illumination circuit for GMC Sierra 2500 (2000-2004)

ASHTRAY LAMP AUTOMATIC TRANSFER CASE SELECT SWITCH BASE BLK WIRE BLUNT CUT) BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE DIM IN DK GRN WIRE DRIVER HEATED SEAT SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPT) FOG/ CARGO LAMP SWITCH FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) ILLUM FUSE GRN WIRE GRY WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES PARK LPS FUSE HVAC CONTROL MODULE/ BLOWER CONTROL SWITCH I/P DIM I/P WIRING HARNESS JUNCTION BLOCK (ON LOWER RIGHT SIDE OF DASH) INFLATABLE RESTRAINT I/P MODULE SWITCH INSTRUMENT CLUSTER INT PRK FUSE LEFT POWER DOOR LOCK SWITCH LEFT POWER WINDOW SWITCH LEFT POWER WINDOW/ DOOR LOCK SWITCH LT BLU WIRE NCA WIRE ORG/ WIRE PARK AUTO PARK LP RLY PARADE MODE PARK LP SIG PARKLAMP RELAY POWER MIRROR SWITCH PPL PPL/WHT WIRE RADIO PPL/ RIGHT HEATED SEAT SWITCH RIGHT POWER DOOR LOCK SWITCH RIGHT POWER WINDOW SWITCH RIGHT POWER WINDOW/DOOR LOCK SWITCH ROOF BEACON SWITCH SELECT- ABLE RIDE SWITCH TRACTION ASSIST SWITCH UP LEVEL BASE WHT WIRE

ASHTRAY LAMP BEZEL LAMP BIN LAMP) BLK WIRE BLU WIRE BLUNT CUT) BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) BRN WIRE CIGAR LIGHTER CONVENIENCE PACKAGE DIM IN DK GRN WIRE DRIVER HEATED SEAT SWITCH DRIVER POWER DOOR LOCK SWITCH DRIVER WINDOW/ DOOR LOCK SWITCH EXCEPT CONVENIENCE PACKAGE FRONT PASSENGER DOOR LOCK SWITCH FRONT PASSENGER DOOR LOCK SWITCH FRONT PASSENGER WINDOW SWITCH FRONT PASSENGER HEATED SEAT SWITCH GRY WIRE HEAD HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES PARK LPS FUSE I/P DIM INT PRK FUSE LEFT I/P FUSE BLOCK LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT POWER DOOR LOCK SWITCH LEFT POWER WINDOW SWITCH LEFT REAR WINDOW SWITCH LT BLU WIRE ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH PARK AUTO PARK LP RLY PARADE MODE PARK LP SIG PARKLAMP RELAY PPL/WHT WIRE RADIO REAR SEAT AUDIO CONTROLLER RIGHT I/P FUSE BLOCK RIGHT REAR WINDOW SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE

2 HI IND CONTROL 2-HI IND 4 HI IND CONTROL DIFF LOCK IND CONTROL 4 HI IND CONTROL PNK WIRE 4 LO IND CONTROL 4-HI IND 4-LO IND 5 VOLT REF HEADLAMP ON IND CTRL DRL OFF IND CTRL FOG LAMP RLY CTRL PNK PPL WIRE AUTO BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN/WHT WIRE CREW CAB ONLY DIMMING INPUT DIMMING RETURN DK GRN/WHT WIRE DRL OFF GRY WIRE GRY/BLK WIRE HEADLAMP ON HEADLAMP SWITCH IND INSTRUMENT PANEL CLUSTER INSTRUMENT PANEL DIMMING LED DIMMING SUPPLY I/P LAMPS DIMMING SUPPLY LEFT REAR WINDOW SWITCH LT GRN/BLK WIRE ORG/BLK WIRE PNK WIRE PPL PPL/WHT WIRE RED WIRE RIGHT REAR WINDOW SWITCH TAN/BLK WIRE TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLAMP SWITCH) TRANSFER CASE SHIFT CONTROL SWITCH

13 8 GRND LAMPS 8 13 LAMPS GRND BASE BLK WIRE BLK/WHT WIRE BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) CARGO/ FOG LAMP SWITCH CD PLAYER CLOCK COIL SPRING DK GRN WIRE DRIVER INFOR- MATION CENTER GRN WIRE GRND GRY WIRE HVAC CONTROL MODULE ILLUM FUSE INFLATABLE RESTRAINT I/P MODULE SWITCH INSTRUMENT CLUSTER LAMPS) LEFT CONTROL SWITCH LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) NCA WIRE POWER TAKE OFF SWITCH (IF EQUIPPED) PPL PPL/WHT WIRE RADIO REAR WHEEL STEERING MODE SELECT SWITCH (SIERRA DENALI) RIGHT CONTROL SWITCH RIGHT I/P FUSE BLOCK (ON LOWER RIGHT SIDE OF DASH) ROOF BEACON SWITCH SIERRA DENALI EXCEPT SIERRA DENALI TRACTION CONTROL SWITCH TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CONTROL DK GRN/WHT WIRE FOG LAMP CIRCUIT HVAC CONTROL MODULE INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LOWER RIGHT LT BLU WIRE MULTIFUNCTION ACCESSORY SWITCH NCA WIRE ORG/ WIRE OVERHEAD CONSOLE POWER TAKE OFF (PTO) SWITCH PPL/WHT WIRE REAR WHEEL STEERING CONTROL MODULE REAR WHEEL STEERING MODE SELECT SWITCH REMOTE PLAYBACK DEVICE (CD PLAYER) STEERING WHEEL) TAN WIRE TOW IND TOW MODE IND TRACTION CONTROL SWITCH TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) UPPER LEFT UPPER RIGHT WHT WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK GRN/WHT WIRE DRIVER WINDOW/DOOR LOCK SWITCH ELECTRONIC SUSPENSION SYSTEM EXTERIOR LAMPS FIRM INDICATOR FOG LAMP FRONT PASSENGER WINDOW/DOOR LOCK SWITCH HEADLAMP LEVELING SWITCH I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) MULTIFUNCTION ACCESSORY SWITCH PPL PPL/WHT WIRE RIGHT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) ROOF BEACON SWITCH SELECTABLE RIDE SWITCH WHT WIRE