Buick LaCrosse II facelift (2013-2016) anti-theft system headlights system Wiring diagrams

A/C ON IND A/C ON SWITCH AMBIENT AIR TEMPERATURE SENSOR (LEFT FRONT OF VEHICLE AMBIENT LIGHT/ SUNLOAD SENSOR (CENTER OF DASH) ANTI-THEFT SYSTEM HEADLIGHTS SYSTEM BATT POS BLK WIRE BLK/DK BLU WIRE BLU WIRE BRN/LT GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DATA DEFROST SWITCH DISPLAY DISPLAY DK BLU BLK/ WIRE DK BLU/GRY WIRE DOWN AIR OUTLET IND DOWN AIR OUTLET SWITCH DRIVER INFORMATION CENTER DISPLAY ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE IND FAN DOWN SWITCH FAN UP SWITCH GMLAN GRN WIRE GRN/YEL WIRE GRY WIRE HVAC CONTROLS INSTRUMENT CLUSTER LEFT COOLING FAN MOTOR LOGIC LOW REF LOW SPD LT GRN WIRE LT GRN/VIO WIRE ON BUMPER FASCIA) RECIRCULATION IND RECIRCULATION SWITCH RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RIGHT COOLING FAN MOTOR SENS SIG SERIAL UP AIR OUTLET IND UP AIR OUTLET SWITCH UPPER AIR OUTLET IND UPPER AIR OUTLET SWITCH VOLT W/ ONSTAR W/O ONSTAR WHT/BLU WIRE WINDSHIELD WINDSHIELD DEFROST IND YEL WIRE

11 12 IG MODE SW CTRL LOW REF 3 4 ACC VOLT RUN/CRANK 1 VOLT 307 3287 HEADLIGHTS SYSTEM HORNS SYSTEM 664 94 EXTERIOR LIGHTS SYSTEM WIPER/WASHER SYSTEM ACC IND ACCESSORY LED SIGNAL LIGHTING CONTROL SW SIG AMBIENT LIGHT SENSOR SIGNAL SW SIG ANTI-LOCK BRAKES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ANTI-LOCK BRAKES, CRUISE CONTROL SYSTEMS ANTI-THEFT SYSTEM HEADLIGHTS SYSTEM BATT RVC FUSE BATTERY POSITIVE VOLT BCM 1 BCM 4 BCM 2 FUSE FUSE FUSE BCM 3 FUSE BCM 6 FUSE BCM 7 FUSE (LOWER LEFT SIDE OF DASH) BCM 8 FUSE BLK WIRE BLK/BRN WIRE BLU WIRE BLU/YEL WIRE BRAKE APPLY SENSOR SIGNAL LED BACKLIGHT DIMMING CTRL BRN WIRE BRN/LT GRN WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/BLK WIRE DK BLU/WHT WIRE DOOR LOCKS, ANTI-THEFT SYSTEMS DRIVER DR LK SW LOCK SIG EXTERIOR LIGHTS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/LT GRN WIRE HAZARD SW TURN RIGHT SIG WINDSHIELD WASHER SW SIG HDLP SW FLASH TO PASS SIG HORN SWITCH SIGNAL HEADLAMP OFF SIG HEADLAMP SW ON SIG HAZARD LED DIMMING SIGNAL HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM TRANSMISSIONS SYSTEM HEADLIGHTS, INTERIOR LIGHTS SYSTEMS HOT AT ALL TIMES IGNITION KEY RESISTOR SIG IGNITION MODE SWITCH INSTRUMENT PANEL FUSE BLOCK INTERIOR LAMP DEFEAT SW SIG KEYLESS ENTRY CONTROL MODULE (RIGHT KICK PANEL) OFF/RUN/CRANK VOLT RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE SHIFT INTERLOCK SYSTEM START IND UNDERHOOD FUSE BLOCK (LEFT SIDE OF BATTERY) VIO WIRE VIO/BLK WIRE VIO/YEL WIRE W/ KEYLESS ENGINE START WHT WIRE WINDSHIELD WIPER SW HI SIG WIPER/WASHER SYSTEM YEL WIRE