Car Wiring Diagrams for Instrument illumination circuit for GMC Sierra IV (2018-2022)

AC PWR OUTLET STATUS IND CTRL BATT POS VOLT 34 BATT POS VOLT 27 BATT POS VOLT 51 DOME LP OFF IND CTRL BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DRIVE MODE SELECT SWITCH DRIVER DOOR LOCK SWITCH EXHAUST BRAKE SWITCH SIG GRN/BRN WIRE GRN/YEL WIRE HDLP SW OFF SIG HI SPD GMLAN SERIAL DATA (-) 1 HDLP SW ON SIG HEADLAMP SW REF HEAD-UP DISPLAY SWITCH HEADLAMP SW SIG HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGNITION MODE SWITCH IND DIMMING CTRL LED BACK LIGHT DIMMING CTRL 1 LEFT STEERING WHEEL CONTROLS SWITCH LOGIC PARK BRAKE CONTROL SWITCH PNK WIRE POWER DISTRIBUTION SYSTEM RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT STEERING WHEEL CONTROLS SWITCH STEERING WHEEL AIR BAG COIL USB RECEPTACLE VEHICLE STABILITY CONTROL SWITCH VIO/WHT WIRE W/ KEYLESS ENGINE START SWITCH W/ SIDE DOOR LOCK CONTROL W/ STEERING WHEEL ACCESSORY CONTROL W/O SIDE DOOR LOCK CONTROL W/O STEERING WHEEL ACCESSORY CONTROL WHT WIRE WHT/BRN WIRE WHT/VIO WIRE YEL WIRE

AUTO AUX 1 AUX 2- AUX 3 AUX 4 AUXILIARY AUDIO INPUT BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU/GRY WIRE CENTER CONSOLE REAR USB RECEPTACLE DIMMER DRIVER SEAT MEMORY SWITCH FRONT FOG GND 11 GRN/BRN WIRE GRN/YEL WIRE HEAD HEADLAMP SWITCH LAMP SWITCH LO REF OFF PARK PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW SWITCH RED/YEL WIRE SEAT MEMORY CONTROL MODULE SWITCH VIO/WHT WIRE W/ EXPRESS UP/DOWN WHT WIRE WHT/BRN WIRE WHT/VIO WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU/GRY WIRE COMPUTER DATA LINES SYSTEM DIMMER SWITCH IND DOOR AJAR IND DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH FRONT OVERHEAD CONSOLE ASSEMBLY GRN/BRN WIRE GRN/YEL WIRE LANE KEEP ASSIST LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH LOGIC PARK ASSIST PARKING ASSIST CONTROL MODULE RED/YEL WIRE RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH VIO/WHT WIRE W/ LIGHT SENSITIVE REAR VIEW MIRROR W/O LIGHT SENSITIVE REAR VIEW MIRROR WHT WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE