GMC Sierra IV (2018-2022) Exterior lamps circuit

6.6L TURBO DIESEL BASE EQUIPMENT BATT POSITIVE VOLT 21 BATT POSITIVE VOLT 25 BATT POSITIVE VOLT 27 BATT POSITIVE VOLT 34 BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BPP SENS LO REF BPP SENS SIG BRAKE APPLY SENS LOW REF BRAKE APPLY SENS VOLT REF BRAKE APPLY SENSOR SIG BRAKE PEDAL POSITION SENSOR BRN/GRN WIRE BRN/WHT WIRE CARGO LAMP CTRL CARGO LAMP SW SIG CHEVROLET COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE EXCEPT BASE EQUIPMENT GMC GMLAN DATA - (1) GND 18 GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HAZARD SW LT TURN SIG HAZARD SW RT TURN SIG HAZARD SW SIG HAZARD SWITCH HEADLAMP SW PARK LAMP SIG HOT AT ALL TIMES LEFT LICENSE PLATE LAMP LF TURN SIG LAMP CTRL LH TAIL LAMP FEEDBACK SIG LICENSE PLATE LAMP LR STOP/TURN LAMP CTRL MIRR CARGO LAMP CTRL PARK LAMP RELAY CTRL PUDDLE LAMP CTRL REAR LICENSE LAMP CTRL RED WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RH TAIL LAMP FEEDBACK SIG RH TURN SIG LAMP CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT LICENSE PLATE LAMP RR STOP/TURN LAMP CTRL SER DATA (-) (1) SHIFT INT SOL ACT CTRL STANDING LAMP RELAY CTRL STOP LP RLY COIL CTRL TASK LAMP SW SIG VEHICLE STABILITY CONTROL SWITCH VIO/BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL/BLK WIRE YEL/BLU WIRE

AUTO BACKUP LAMPS CIRCUIT BASE BASE EQUIPMENT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE CARGO CHEVROLET COMPUTER DATA LINES SYSTEM DATA DRIVER INFORMATION CENTER DISPLAY EXCEPT BASE EXCEPT BASE EQUIPMENT GMC GMC/ CHEVROLET GMLAN GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HEAD HEADLAMP SWITCH INSTRUMENT CLUSTER LAMP LEFT BACKUP LAMP LEFT LOWER TAIL/STOP, TURN SIGNAL LAMP LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP LEFT TAIL LAMP ASSEMBLY LEFT TAIL/ STOP SIGNAL LAMP LEFT TURN IND LEFT UPPER TAIL/STOP, TURN SIGNAL LAMP LO SPD LOGIC OFF PARK PARK LAMP IND POSITIVE RED WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT LOWER TAIL/STOP, TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT TAIL LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TAIL/ STOP SIGNAL LAMP RIGHT TURN IND RIGHT UPPER TAIL/STOP, TURN SIGNAL LAMP SER SWITCH TASK VIO/BLK WIRE VIO/WHT WIRE VOLT W/ LED W/O DRIVER INFO ENHANCED DISPLAY INSTRUMENT W/O LED WHT/GRY WIRE WHT/VIO WIRE YEL/BLU WIRE

6.6L TURBO DIESEL BACKUP LAMPS CIRCUIT BASE EQUIPMENT BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT BACKUP LAMP LEFT CARGO LAMP LEFT LOWER TAIL/STOP, TURN SIGNAL LAMP LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP ASSEMBLY LEFT TAIL/STOP, TURN SIGNAL LAMP LEFT UPPER TAIL/STOP, TURN SIGNAL LAMP NCA WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RIGHT CARGO LAMP RIGHT INSTRUMENT PANEL FUSE BLOCK VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE W/ LED W/O LED WHT/VIO WIRE YEL/BLU WIRE

BACKUP LAMPS CIRCUIT BASE EQUIPMENT BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/GRN WIRE BRN/WHT WIRE FRONT MIDDLE ROOF CLEARANCE LAMP GMC GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE LEFT FENDER REAR SIDE MARKER LAMP LEFT FRONT OUTER ROOF CLEARANCE LAMP LEFT FRONT REAR FENDER CLEARANCE LAMP LEFT REAR MOST FENDER CLEARANCE LAMP NCA WIRE RED WIRE RED/GRN WIRE RIGHT BACKUP LAMP RIGHT FRONT OUTER ROOF CLEARANCE LAMP RIGHT LOWER TAIL/STOP, TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TAIL/STOP, TURN SIGNAL LAMP RIGHT UPPER TAIL/STOP, TURN SIGNAL LAMP VIO WIRE VIO/GRY WIRE VIO/WHT WIRE W/ LED W/O LED W/O LED WHT/VIO WIRE

BASE EQUIPMENT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CHEVROLET COMPUTER DATA LINES SYSTEM EXCEPT BASE EQUIPMENT GMC GRN WIRE GRN/VIO WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP ASSEMBLY LEFT TAIL/STOP SIGNAL LAMP LEFT TAIL/STOP, TURN SIGNAL LAMP LOGIC PARK BRAKE CONTROL SWITCH PARK BRAKE SW MONITOR SIG 1 PARK BRAKE SW MONITOR SIG 2 PARK BRAKE SW SIG PARK BRAKE SW TEST SIG PARK BRAKE SW VOL REF 1 PARK BRAKE SW VOL REF 2 RED WIRE RED/GRN WIRE RIGHT REAR SIDE MARKER LAMP RIGHT TAIL LAMP ASSEMBLY RIGHT TAIL/STOP SIGNAL LAMP RIGHT TAIL/STOP, TURN SIGNAL LAMP SERIAL DATA COMMUNICATION ENABLE VIO/GRY WIRE VIO/WHT WIRE W/ SINGLE REAR WHEEL, RIDE, HANDLING CHASSIS W/O SINGLE REAR WHEEL, RIDE, HANDLING CHASSIS WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CHEVROLET DRIVER OUTSIDE REAR VIEW MIRROR CARGO LAMP DRIVER OUTSIDE REAR VIEW MIRROR FORWARD EXTERIOR FLOOD LAMP DRIVER OUTSIDE REAR VIEW MIRROR LOWER EXTERIOR FLOOD LAMP DRIVER OUTSIDE REAR- VIEW MIRROR ENDGATE MARKER LAMP GMC GRN/VIO WIRE GRY/BRN WIRE GRY/GRN WIRE LEFT MIDDLE SIDE MARKER LAMP LEFT TURN SIGNAL REPEATER LAMP NCA WIRE ORG/ WIRE ORG/WHT WIRE PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR CARGO LAMP PASSENGER OUTSIDE REAR VIEW MIRROR FORWARD EXTERIOR FLOOD LAMP PASSENGER OUTSIDE REAR VIEW MIRROR LOWER EXTERIOR FLOOD LAMP RED/GRN WIRE RIGHT FENDER REAR SIDE MARKER LAMP RIGHT FRONT REAR FENDER CLEARANCE LAMP RIGHT MIDDLE SIDE MARKER LAMP RIGHT REAR FENDER CLEARANCE LAMP RIGHT TURN SIGNAL REPEATER LAMP VIO/GRY WIRE VIO/WHT WIRE WHT WIRE WHT/VIO WIRE YEL/BLK WIRE

BASE BASE EQUIPMENT BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CHEVROLET EXCEPT BASE EXCEPT BASE EQUIPMENT GMC GRN/VIO WIRE GRY WIRE GRY/BRN WIRE HEADLIGHTS SYSTEM PARK LAMPS RELAY RED/GRN WIRE RIGHT FENDER FRONT SIDE MARKER LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT TURN SIGNAL LAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE RIGHT PARK/ TURN SIGNAL LAMP STOP LAMP RELAY TRAILER TOW CIRCUIT UNDERHOOD FUSE BLOCK VIO/GRY WIRE VIO/WHT WIRE W/ LED W/ SINGLE REAR WHEEL, RIDE, HANDLING CHASSIS W/O LED W/O SINGLE REAR WHEEL, RIDE, HANDLING CHASSIS

BASE BATTERY FUSE BLOCK BLK WIRE BLU/WHT WIRE BRN/WHT WIRE CARGO LAMP RELAY CENTER HIGH MOUNTED STOP LAMP CHEVROLET EXCEPT BASE GMC GRY WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES LEFT FENDER FRONT SIDE MARKER LAMP LEFT FRONT SIDE MARKER LAMP LEFT FRONT TURN SIGNAL LAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE LEFT PARK/ TURN SIGNAL LAMP RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK VIO/GRY WIRE W/ LED W/O LED WHT/VIO WIRE YEL WIRE