Car Wiring Diagrams for Headlights circuit for GMC Terrain II facelift (2021-2024)

AMBIENT LIGHT SENSOR SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO AUTOMATIC HIGH BEAM ON/OFF SW SIG BATTERY POSITIVE VOLTAGE BLK WIRE BLK/GRN WIRE BLU WIRE BLU/BRN WIRE BLU/GRY WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/VIO WIRE COMPUTER DATA LINES SYSTEM FRONT FOG LAMP CTRL FRONT FOG LAMP SWITCH FT FOG LAMP SW SIG GRN/BRN WIRE GRN/GRY WIRE GROUND GRY/BLU WIRE HDLP SW FLASH HDLP SW OFF SIG HDLP SW ON SIG HDLP SW PARK LAMP SIG HEAD HEADLAMP SWITCH HI BEAM SELECT SW HI BEAM SIG HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HVAC CONTROL MODULE (TOP CENTER OF DASH) INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DRL CTRL LEFT HEADLAMP RLY CTRL LEFT LOW BEAM SPLY CTRL LOW REF OFF PARK RED/BLU WIRE RED/GRN WIRE RIGHT HEADLAMP LOW BEAM CTRL RIGHT HEADLAMP RLY CTRL RIGHT PARK LAMP CTRL TURN SIGNAL/ MULTI-FUNCTION SWITCH W/O RETRACTABLE HEAD-UP DISPLAY W/ RETRACTABLE HEAD-UP DISPLAY WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE

BATTERY FUSE BLOCK BLK WIRE BLU/BRN WIRE BRN/VIO WIRE GRY/BLU WIRE HOT AT ALL TIMES LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP CONTROL MODULE LEFT HEADLAMP RELAY LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LEFT PARK DAYTIME RUNNING LAMP NCA WIRE RED WIRE RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP CONTROL MODULE RIGHT HEADLAMP RELAY RIGHT HIGH BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP RIGHT PARK DAYTIME RUNNING LAMP UNDERHOOD FUSE BLOCK WHT WIRE WHT/BRN WIRE YEL WIRE YEL/GRN WIRE YEL/GRY WIRE

BATT POS VOLT BLK WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DATA 2 (+) ELECTRONIC BRAKE CONTROL MODULE FRONT FOG LAMP IND GMLAN SERIAL GROUND GRY/GRN WIRE GRY/RED WIRE HIGH BEAM IND HIGH SPEED GMLAN SERIAL DATA (-) (2) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER LEFT FRONT FOG LAMP LO SPD LOGIC PARK BRAKE APPLY SW SIG PARK BRAKE APPLY SW VOL REF PARK BRAKE RELEASE SW SIG PARK BRAKE RELEASE SW VOL REF PARK BRAKE SW SIG PARK BRAKE SW SPLY VOL PARK BRAKE SWITCH PARK LIGHTS IND RED/VIO WIRE RED/WHT WIRE RIGHT FRONT FOG LAMP UNDERHOOD FUSE BLOCK VIO/GRN WIRE WHT WIRE YEL WIRE YEL/RED WIRE