GMC Sierra IV (2018-2022) red/wht Wiring diagrams

ACC WAKEUP SER DATA BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/WHT WIRE BODY CONTROL MODULE (LEFT END OF DASH) BUS 1 BUS 11 (-) BUS 15 BUS 2 BUS 4 DATA LINK CONNECTOR FRONT SEAT HEATING CONTROL MODULE GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE HI SPD SER DATA (+) 1 LIN SER DATA BUS 3 HI SPD SER DATA (-) 1 HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IMMOBILIZER CONTROL MODULE LEFT REAR WINDOW SWITCH LIN SER DATA LIN SER DATA BUS 1 LIN SER DATA BUS 11 LIN SER DATA BUS 15 LIN SER DATA BUS 2 LIN SER DATA BUS 4 LO SPD GMLAN SER DATA POWER SUPPLY TRANSFORMER REAR SEAT HEATING CONTROL MODULE REAR SEAT HEATING SWITCH RED/VIO WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR WINDOW SWITCH SER DATA COMM ENABLE SUNROOF MOTOR VIO/BLK WIRE VIO/YEL WIRE W/ KEYLESS ENGINE START SWITCH WHT WIRE WHT/BLU WIRE

3.0L TURBO DIESEL 5.3L, 6.2L AUXILIARY UNDERHOOD FUSE BLOCK BATTERY FUSE BLOCK BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BRN WIRE BRN/YEL WIRE CHARGE AIR COOLER COOLANT PUMP CHARGE AIR COOLER COOLANT PUMP RELAY CHARGE AIR COOLER INLET TEMPERATURE SENSOR CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR CLOSE CTRL COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (3.0L TURBO DIESEL) ENGINE COOLANT TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE SENSOR 7 GRN WIRE GRN/VIO WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED LOW REF OPEN CTRL POS SIG RED WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE SENS LOW REF SENS SIG TEMP SIG UNDERHOOD FUSE BLOCK VIO/BLU WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE

BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BRN/BLU WIRE BUS 7 (-) CABLE) COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRY/GRN WIRE GY LVDS SIGNALING CABLE HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HEADLAMP ON HOT AT ALL TIMES HUD HUD SW LOW REF HUD SW SIG INFO LIN BUS 1 LOGIC INSTRUMENT CLUSTER LVDS RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SER DATA (+) 2 SIGNALING WHT WIRE YEL WIRE YEL/WHT WIRE

BLK WIRE BLU/GRY WIRE BLU/VIO WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DOWN DRIVER WINDOW/OUTSIDE REAR VIEW MIRROR SWITCH EXPRESS GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES ILL LEFT FRONT LEFT REAR LEFT REAR WINDOW MOTOR LEFT REAR WINDOW SWITCH LOCKOUT IND LOGIC PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH (W/O EXPRESS UP/DOWN) RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR RIGHT REAR WINDOW MOTOR RIGHT REAR WINDOW SWITCH W/ EXPRESS UP/DOWN W/ MEMORY W/O EXPRESS UP/DOWN W/O MEMORY WINDOW LOCK SWITCH WINDOW SWITCH YEL/BLU WIRE

ALL WIND OPEN SW SIG ABS/TRACTION CTRL HILL DESCENT CTRL SW SIG BLK WIRE BLU/YEL WIRE BODY CONTROL MODULE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM DOWN DRIVER WINDOW MOTOR EXPRESS GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH LIN BUS 3 LOGIC OPTION 1 OPTION 1 OPTION 2 OPTION 2 OPTION 1 OPTION 2+ PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH (W/ EXPRESS UP/DOWN) RED/BLU WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH VIO/GRY WIRE W/ EXPRESS UP/DOWN W/ MEMORY W/O MEMORY OPTION 1 OPTION 2 YEL WIRE YEL/BLK WIRE

AUDIO SIG MICROPHONE SIG BACKUP LAMP CONTROL BATT POS VOLT BK COAX XM/HD BK LVDS INFOTAINMENT DISPLAY SIG BK USB ANTENNA XM SIGNAL OG COAX COAX CAM SIG BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN/BLU WIRE BRN/WHT WIRE BUTTON SIG CAMERA SIG (-) COAX COMPUTER DATA LINES SYSTEM CU COAX ANTENNA XM SIG DIMMING CTRL ETHERNET BUS 4 (-) GND SIG GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT FRONT MOBILE TELEPHONE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LH RR SPEAKER CTRL (+) LH RR SPEAKER SIG (-) RADIO DISPLAY TOUCH INTERRUPT REQUEST SIG LO SPEED GMLAN DATA 2 LVDS NAVIGATION SYSTEM NCA WIRE PWR SIG RADIO RADIO DSPY BACKLIGHT LO REF RADIO KEYPAD VOLTAGE REF RED/WHT WIRE RED/YEL WIRE REPLICATED SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RH RR SPEAKER CTRL (+) AUDIO LO REF MICROPHONE LO REF RH RR SPEAKER SIG (-) RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER USB USB RECEPTACLE VIO/BLU WIRE VIO/WHT WIRE VOLUME DOWN VOLUME UP W/ ONSTAR W/O ONSTAR WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE

AUDIO LOW REF AUDIO SIG + AUXILIARY AUDIO INPUT BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BN CELL/GPS COAX COAX COMPUTER DATA LINES SYSTEM GND SIG GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT MOBILE TELEPHONE MICROPHONE LOGIC LOW REF LVDS MICROPHONE SIG NCA WIRE POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA (+)9 SERIAL DATA COMMUNICATION ENABLE SERIAL DATA (-) 9 SERIAL DATA 2 TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB USB RECEPTACLE VIO/YEL WIRE VT CELL COAX W/ DIGITAL AUDIO SYSTEM W/ ONSTAR WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

1-RD 2-RD AUDIO LOW REF AUDIO SIG + AUXILIARY AUDIO INPUT BATT POSITIVE VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BN CELL/GPS COAX CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COMPUTER DATA LINES SYSTEM GND SIG GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT MOBILE TELEPHONE MICROPHONE LOGIC LOW REF LVDS MICROPHONE SIG NCA WIRE POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA (+)9 SERIAL DATA COMMUNICATION SERIAL DATA (-) 9 SERIAL DATA 2 TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB USB RECEPTACLE VIO/YEL WIRE VT CELL COAX W/ DIGITAL AUDIO SYSTEM W/ ONSTAR WHT/BLU WIRE WHT/GRN WIRE YEL WIRE

AM/FM ANT SIG BK COAX BACK BACK- WARD BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE COAX COAX BU GPS COAX OG COAX CAM SIG COMPUTER DATA LINES SYSTEM DOWN FORWARD/ GRY/BRN WIRE HOME INFO DISPLAY MODULE LOGIC LVDS MUTE NAVIGATION ANTENNA NAVIGATION SYSTEM NCA WIRE PNK WIRE RADIO RADIO ANTENNA RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RED/WHT WIRE RED/YEL WIRE RIGHT FRONT MOBILE TELEPHONE MICROPHONE RIGHT STEERING WHEEL CONTROLS SWITCH SEEK LEFT UP SEEK RIGHT SELECT VIO/YEL WIRE VOICE W/O ONSTAR WHT/YEL WIRE WIR BG WLAN WIRELESS COMMUNICATION ANTENNA YEL/BLU WIRE

BATT POS VOLT 2 BATT POS VOLT 3 BLK WIRE BLU/WHT WIRE BODY CTRL MODULE LIN BUS 2 BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DISPLAY GND 11 GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR CUSHION SEAT HEATING ELEMENT LOGIC LR CUSHION TEMP SENS SIG LR CUSHION THERMISTOR FEEDBACK SIG NCA WIRE REAR SEAT HEATING CONTROL MODULE REAR SEAT HEATING SWITCH RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR CUSHION SEAT HEATING ELEMENT RR CUSHION TEMP SENS SIG RR CUSHION THERMISTOR FEEDBACK SIG RR HTD SEAT CUSHION HEATING ELEMENT CTRL RR HTD SEAT CUSHION HEATING ELEMENT LO REF WHT/BLK WIRE WHT/BLU WIRE YEL/WHT WIRE