Car Wiring Diagrams for Headlamps circuit for Cadillac XT4 I (2018-2023)

AMBIENT LIGHT SENSOR SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO BATTERY POSITIVE VOLTAGE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FTP GRN WIRE GRY WIRE GRY/BLU WIRE HDLP AUTO HIGH BEAM DIM CTRL HDLP DIMMER SW HIGH BEAM SIG HDLP LOW BEAM RELAY CTRL HDLP SW FLASH TO PASS SIG HDLP SW HDLPS OFF SIG CTRL HDLP SW ON SIG HEAD HIGH BEAM HIGH SPD GMLAN SERIAL DATA (+) 1 HOT AT ALL TIMES HVAC CONTROL MODULE INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DRL CONTROL LEFT HDLP LOW BEAM CTRL LEFT HDLP LOW BEAM CTRL LEFT HDLP LOW BEAM CTRL LO REF LOW SPD GMLAN SERIAL DATA OFF PARK RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT DRL CONTROL RIGHT HDLP HIG BEAM CTRL SIG GND SWITCH TURN SIGNAL/MULTI-FUNCTION SWITCH WHT WIRE YEL WIRE

AUXILIARY UNDERHOOD FUSE BLOCK BATTERY FUSE BLOCK BLK WIRE BLU/BRN WIRE BRN/YEL WIRE GRY/BLU WIRE HEADLAMP HIGH BEAM RELAY HOT AT ALL TIMES LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP COOLING FAN LEFT HEADLAMP MULTI-FUNCTION LED LEFT HEADLAMP/ CORNERING LAMP CONTROL MODULE LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LEFT PARK DAYTIME RUNNING LAMP NCA WIRE RED/VIO WIRE RED/YEL WIRE UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/GRY WIRE

BLK WIRE BLU WIRE BLU/BRN WIRE BRAKE SYSTEM CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRN/YEL WIRE GRY/GRN WIRE HIGH BEAM LAMP IND HIGH SPEED GMLAN SERIAL DATA (-) (1) INSTRUMENT CLUSTER LOCAL INTERCONNECT NETWORK BUS 31 LOGIC LOW SPD GMLAN NCA WIRE PARK BRAKE SWITCH RED/VIO WIRE RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP COOLING FAN RIGHT HEADLAMP MULTI-FUNCTION LED RIGHT HEADLAMP/ CORNERING LAMP CONTROL MODULE RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RIGHT PARK/DAYTIME RUNNING LAMP SERIAL DATA 2 WHT WIRE YEL WIRE YEL/GRY WIRE