GMC Acadia II (2016-2019) led backlight dimming ctrl Wiring diagrams

ABS/TCS HILL DESCENT CTRL SW SIG ACC IGN VOL ACC IGN VOLT ADAPTIVE CRUISE CTRL GAP UP/DOWN SW SIG AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BATTERY POSITIVE VOLT BCM 1 FUSE BCM 2 FUSE BCM 3 FUSE BCM 4 FUSE BCM 6 FUSE BCM 7 FUSE BCM 8 FUSE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/PPL WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE CONTROL, EXTERIOR LIGHTS SYSTEMS CRUISE CONTROL, EXTERIOR LIGHTS, SHIFT INTERLOCK SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS DRV DOOR LOCK SW LOCK SIG DRV DOOR LOCK SW UNLOCK DRV MODE 5 INDICATOR CTRL ELECTRONIC SUSPENSION SYSTEM ENGINE START/ STOP FRONT FOG LAMP SW SIG GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/PPL WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE HAZARD SW LEFT TURN SIG HAZARD SW RIGHT TURN SIG HAZARD SW SIG HDLP AUTOMATIC HIGH BEAM DIM CTRL HDLP DIMMER SW HI BEAM SIG HDLP SW HDLP OFF SIG CTRL HDLP SW ON SIG HDLP SW PARK LAMPS SIG HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HI SPD GMLAN SERIAL DATA (+) 1 REMOTE FUNCTION ACTR CTRL HI SPD GMLAN SERIAL DATA (+) 1 REMOTE FUNCTION ACTUATOR RECEIVE SIG HI SPD GMLAN SERIAL DATA (-) (1) HORNS SYSTEM HOT AT ALL TIMES I/P LAMP DIM SW SIG IGN MODE SW START LED SIG IGNITION MODE SW MODE VOL IGNITION MODE SWITCH INDICATOR DIMMING CTRL INSTRUMENT PANEL FUSE BLOCK INSTRUMENT PANEL LAMP DIMMER SW LOW REF IGN MODE SW ACC LED SIG INTERIOR LAMP DEFEAT SW SIG KEYLESS ENTRY CONTROL MODULE LED BACKLIGHT DIMMING CTRL LIGHTING CTRL 2 LIGHTING CTRL SW REF LIN SERIAL DATA BUS 4 LOW SPD GMLAN SERIAL DATA PASSIVE START SW 2 LOW REF PASSIVE START SW SIG 2 PPL/BLK WIRE PPL/BLU WIRE PPL/GRN WIRE PPL/YEL WIRE REAR WINDOW WIPER SW SIG RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/PPL WIRE RED/WHT WIRE REMOTE FUNCTION ACTR LOW REF REMOTE FUNCTION ACTR TRANSMIT SIGNAL RUN/CRANK IGN 1 VOLT SECURITY INDICATOR CTRL SET/COAST/RESUME/ ACCELERATE SW SIG WINDSHIELD WIPER SW LOW REF TAP UP/TAP DOWN SW SIG TRACTION CTRL SW SIG 1 TRAILER BRAKE APPLY SIGNAL TRANSMISSIONS SYSTEM VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW LOW SIG WIPER/WASHER SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

BLK WIRE BLU WIRE BRN/WHT WIRE FUSE HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HIGH CTRL HOT W/ IGNITION MAIN RELAY ENERGIZED HTD WHL FUSE IGN 1 VOLT LED BACKLIGHT DIMMING CTRL LEFT STEERING WHEEL CONTROLS SWITCH LOGIC ORG/ WIRE PNK LED CTRL WIRE PPL PPL/BLU WIRE PPL/WHT WIRE RED WIRE RIGHT STEERING WHEEL CONTROLS SWITCH SENS SIG STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE SW SIG UNDERHOOD FUSE BLOCK WHT WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE