GMC Sierra IV (2018-2022) blu Wiring diagrams

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

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 BLK/BRN WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/WHT WIRE COAX DEFOGGER SYSTEM GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE LOGIC MIRROR DIMMING MIRRORS SYSTEM NAVIGATION SYSTEM ORG/ WIRE ORG/WHT WIRE PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR CARGO LAMP PASSENGER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR PASSENGER OUTSIDE REAR VIEW MIRROR FORWARD EXTERIOR FLOOD LAMP PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR LOWER EXTERIOR FLOOD LAMP PASSENGER OUTSIDE REAR VIEW MIRROR MOTOR PASSENGER SIDE OBJECT DETECTION INDICATOR PNK WIRE RED/BLU WIRE RIGHT MIDDLE SIDE MARKER LAMP RIGHT SIDE VIEW CAMERA RIGHT TURN SIGNAL REPEATER LAMP VIO/WHT WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN/BLK WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DOWN DRIVER OUTSIDE REAR VIEW MIRROR CARGO LAMP DRIVER OUTSIDE REAR VIEW MIRROR COURTESY LAMP DRIVER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR DRIVER OUTSIDE REAR VIEW MIRROR FORWARD EXTERIOR FLOOD LAMP DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR VIEW MIRROR LOWER EXTERIOR FLOOD LAMP DRIVER OUTSIDE REAR VIEW MIRROR MOTOR DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR DRIVER WINDOW/OUTSIDE REAR VIEW MIRROR SWITCH GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT LEFT MIDDLE SIDE MARKER LAMP LEFT SIDE VIEW CAMERA LEFT TURN SIGNAL REPEATER LAMP LOGIC MIRROR DIMMING MIRRORS SYSTEM NAVIGATION SYSTEM ORG/ WIRE ORG/WHT WIRE PNK WIRE RED/BLU WIRE RED/VIO WIRE RIGHT RIGHT INSTRUMENT PANEL FUSE BLOCK RWD VIO/BLU WIRE VIO/RED WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/WHT WIRE

BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE COAX DEFOGGER SYSTEM DOWN DRIVER EXTERIOR FLOOD LAMP OUTSIDE REAR VIEW MIRROR FORWARD DRIVER OUTSIDE EXTERIOR FLOOD LAMP REAR VIEW MIRROR LOWER DRIVER OUTSIDE REAR VIEW MIRROR CARGO LAMP DRIVER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR VIEW MIRROR MOTOR DRIVER OUTSIDE REAR- VIEW MIRROR DRIVER SIDE OBJECT DETECTION INDICATOR DRIVER WINDOW/ OUTSIDE REAR VIEW MIRROR SWITCH ELECTROCHROMIC MIRROR CIRCUIT FOLD IN CTRL FOLDING SWITCH GRN/BLK WIRE GRN/WHT WIRE HOT AT ALL TIMES LEFT LEFT MIDDLE SIDE MARKER LAMP LEFT SIDEVIEW CAMERA LEFT TURN SIGNAL REPEATER LAMP LOGIC B+ MIRROR DIMMING MIRROR MOTOR MIRROR MOTOR FOLD OUT CTRL NAVIGATION SYSTEM OFF ORG/ WIRE ORG/WHT WIRE PASSENGER RED WIRE RED/BLU WIRE RED/VIO WIRE RIGHT RIGHT INSTRUMENT PANEL FUSE BLOCK VIO WIRE VIO/BLU WIRE VIO/YEL WIRE WHT WIRE WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/VIO WIRE

BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COAX BK DEFOGGER SYSTEM ELECTROCHROMIC MIRROR CIRCUIT GRN/BLK WIRE GRN/WHT WIRE MIRROR DIMMING NAVIGATION SYSTEM ORG/ WIRE ORG/WHT WIRE PASSENGER EXTERIOR FLOOD LAMP OUTSIDE REAR VIEW MIRROR FORWARD PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR MOTOR PASSENGER SIDE OBJECT DETECTION INDICATOR RED/BLU WIRE RIGHT MIDDLE SIDE MARKER LAMP RIGHT SIDE VIEW CAMERA RIGHT TURN SIGNAL REPEATER LAMP VIO/YEL WIRE WHT WIRE WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) CAMPER/ COMPUTER DATA LINES SYSTEM GRN/BLU WIRE GRN/VIO WIRE GROUND DISTRIBUTION SYSTEM GRY/BRN WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES LEFT TRAILER TURN SIG LAMP LIN BUS 2 RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT TRAILER TURN SIG LAMP TRAILER AUXILARY CONTROL TRAILER BRAKE APPLY SIG TRAILER BRAKE POWER CONTROL MODULE TRAILER BRAKES PROVISION (BLUNT CUT) (UNDER LEFT SIDE OF INSTRUMENT PANEL) TRAILER CONNECTOR UNDERHOOD FUSE BLOCK W/ INTEGRATED TRAILER BRAKE CONTROL W/ SPECIAL EQUIPMENT W/ TRAILER HITCH PREPARATION PACKAGE W/O INTEGRATED TRAILER BRAKE CONTROL W/O SPECIAL EQUIPMENT W/O TRAILER HITCH PREPARATION PACKAGE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL/BLU WIRE YEL/GRY WIRE

BACKUP LAMPS CIRCUIT BLU WIRE BLU/WHT WIRE BLUNT CUT) GRN/VIO WIRE GRN/WHT WIRE GRY/BRN WIRE LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY PARK LAMPS RELAY RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY TRAILER BACKUP LAMPS RELAY TRAILER CAMPER PROVISION UNDERHOOD FUSE BLOCK W/ SPECIAL EQUIPMENT W/ TRAILER HITCH PREPARATION PACKAGE W/O SPECIAL EQUIPMENT W/O TRAILER HITCH PREPARATION PACKAGE WHT/GRN WIRE YEL/BLU WIRE YEL/GRY WIRE

BATT POS VOLT 56 BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS CIRCUIT GND 17 GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BRN WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED IGN 1 VOLT 4 LAMP CTRL LOW SPD GMLAN SERIAL DATA RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RLY COIL CTRL SECONDARY FUSED BATTERY POSITIVE VOLTAGE 58 TRAILER BACKUP LAMP CTRL TRAILER CONNECTOR TRAILER LIGHTING CONTROL MODULE TRAILER PARK LAMP CTRL UNDERHOOD FUSE BLOCK VIO/GRN WIRE VIO/WHT WIRE W/ SPECIAL EQUIPMENT W/O SPECIAL EQUIPMENT WHT WIRE WHT/GRN WIRE YEL/BLU WIRE YEL/GRY WIRE