Car Wiring Diagrams for Headlamps circuit for GMC Terrain II (2017-2021)

AMBIENT LIGHT SENSOR SIG AMBIENT LIGHT/ SUNLOAD SENSOR AUTO BATTERY POSITIVE VOLTAGE BCM 1 FUSE BCM 3 FUSE BCM 4 FUSE BLK WIRE BLK/GRN WIRE BLU WIRE BLU/GRY WIRE BODY CONTROL MODULE (BELOW CENTER OF DASH) BRN/PPL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIMMER SW HI BEAM SIG DRL RLY CTRL FOG LAMP RLY CTRL FRONT FOG LAMP SW SIG FRONT FOG LAMP SWITCH GRN/BRN WIRE GRN/GRY WIRE GROUND GRY/BRN WIRE HDLP AUTO HI BEAM DIM CTRL HDLP HI BEAM RLY CTRL HDLP SW FLASH TO PASS SIG HDLP SW OFF SIG CTRL HDLP SW ON SIG HDLP SW PARK LAMP SIG HEAD HEADLAMP SWITCH HI SPD GMLAN SERIAL DATA HOT AT ALL TIMES HVAC CONTROL MODULE (TOP CENTER OF DASH) INSTRUMENT PANEL FUSE BLOCK LEFT LOW BEAM SPLY CTRL LEFT PARK LAMP CTRL LOW REFERENCE OFF PARK PPL/GRY WIRE REAR FOG LAMP REAR FOG LAMP SW SIG REAR FOG LAMP SWITCH RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RIGHT LOW BEAM SPLY CTRL RIGHT PARK LAMP CTRL RR FOG LAMP CTRL TURN SIGNAL/ MULTI-FUNCTION SWITCH WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/PPL WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE

BLK WIRE BRN/PPL WIRE BRN/WHT WIRE CHEVROLET/ GMC GMC GRY/BRN WIRE LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE LEFT PARK/DAYTIME RUNNING LAMP NCA WIRE PPL/GRY WIRE RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE RIGHT PARK DAYTIME RUNNING LAMP WHT/BRN WIRE YEL WIRE YEL/GRY WIRE

BATTERY FUSE BLOCK BLK WIRE BRN/PPL WIRE BRN/WHT WIRE DRL FUSE DRL/LT FUSE FOG/LMP/FRT FUSE FRONT FOG LAMP RELAY FUSE 6 GMC GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE HEADLAMP HIGH BEAM RELAY HEADLAMP RELAY HI/BEAM/ LT FUSE HI/BEAM/ RT FUSE HOT AT ALL TIMES LEFT FRONT FOG LAMP LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP ASSEMBLY (W/LED) LEFT HEADLAMP BALLAST LEFT HEADLAMP CONTROL MODULE LEFT HEADLAMP COOLING FAN LEFT HIGH BEAM SOLENOID ACTUATOR LEFT LOW BEAM HEADLAMP LEFT PARK DAYTIME RUNNING LAMP NCA WIRE PPL/GRY WIRE RED WIRE RIGHT FRONT FOG LAMP UNDERHOOD FUSE BLOCK W/ HID W/ HID W/LED WHT WIRE WHT/BRN WIRE YEL WIRE YEL/GRY WIRE

ABS FUSE 22 ABS FUSE 27 APPLY SW SIG APPLY SW VOL REF BLK WIRE BLU/BLK WIRE BLU/PPL WIRE BRN WIRE COMPUTER DATA LINES SYSTAM COMPUTER DATA LINES SYSTEM DATA COM ELECTRONIC BRAKE CONTROL MODULE FRONT FOG LAMP IND GMC GROUND GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE HIGH BEAM IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT INSTRUMENT CLUSTER LO SPD GMLAN SER DATA 2 LOGIC NCA WIRE PARK BRAKE SWITCH (LOWER LEFT SIDE OF DASH) PARK LIGHTS IND PPL/GRN WIRE REAR FOG LAMP IND RED/VIO WIRE RED/WHT WIRE RELEASE SW SIG RELEASE SW VOL REF RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP BALLAST RIGHT HEADLAMP CONTROL MODULE RIGHT HEADLAMP COOLING FAN RIGHT HIGH BEAM SOLENOID ACTUATOR RIGHT LOW HEADLAMP RIGHT PARK DAYTIME RUNNING LAMP SIG SPLY VOL UNDERHOOD FUSE BLOCK VAR/ FUNC FUSE W/ HID W/ HID W/ LED W/ LED WHT WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE