GMC Sierra IV (2018-2022) yel Wiring diagrams

BATT POS VOLT BLK WIRE BLU WIRE BRN WIRE DOWN DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT RECLINE MOTOR FRONT VERTICAL FWD DN GRN WIRE GRY WIRE HORIZONTAL RWD HOT AT ALL TIMES REAR VERTICAL REAR VERTICAL HORIZONTAL FWD DOWN RECLINE FWD RECLINE RWD RED WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RWD VIO WIRE YEL WIRE

BLK WIRE BLU WIRE DRIVER SEAT LUMBAR SUPPORT PUMP DRIVER SEAT LUMBAR SUPPORT SWITCH HOT AT ALL TIMES RED WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RWD VIO WIRE YEL WIRE

ACC VOLT ANTENNA BATT POSITIVE VOLT 23 BLK WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN/GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DR LCK ACTUATOR LCK CTRL DR LCK ACTUATOR LCK CTRL 2 DR LCK ACTUATOR UNLCK CTRL DR LCK KEY SW UNLCK SIG DRIVER DOOR LOCK SWITCH DRV DR LCK SW LCK SIG LF DR AJAR SW SIG DRV DR LK SW UNLCK SIG ENGINE CONTROL MODULE (6.6L) GND 23 LH HEADLAMP LO BEAM CTRL GRN/YEL WIRE GRY WIRE GRY/WHT WIRE HEADLIGHTS SYSTEM HI SPD GMLAN SER DATA (+) 1 HIGH SPEED GMLAN SERIAL DATA (-) (1) HOOD AJAR SWITCH HOOD STATUS A SIG HOOD STATUS B SIG HORN RLY CTRL HORNS SYSTEM IGN MODE SW CHALLENGE ACTIVE SIG LOGIC MIDDLE PRODUCTION PASS DR LCK SW LCK CTRL PASS DR LCK SW UNLCK CTRL PASSENGER DOOR LOCK SWITCH PASSENGER WINDOW MOTOR PASSENGER WINDOW SWITCH PNK WIRE RED/YEL WIRE REM CTRL DR LK RECEIVER LO REF REM CTRL DR LK RECEIVER TRANSMIT SIG REM CTRL DR LK RECEIVER CTRL REMOTE CONTROL DOOR LOCK RECEIVER RF DR AJAR SW SIG RH HEADLAMP LO BEAM CTRL RUN/CRANK IGN 1 VOLT STRA CLMN LK STATUS SIG REMOTE CTRL DR LK RECEIVER RECEIVE SIG VIO/BLK WIRE VIO/YEL WIRE W/ POWER OPERATED WINDOW W/O EXPRESS UP/DOWN W/ POWER OPERATED WINDOW, EXPRESS UP/DOWN W/O POWER OPERATED WINDOW WHT WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/VIO 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 BLK/WHT WIRE BLU/WHT WIRE BODY CONTROL MODULE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM GND 18 HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HEATING HI CTRL HEATING SW SIG HEATING VOLT REF HEATING TEMP SENS SIG HOT W/ IGNITION MAIN RELAY ENERGIZED HVAC CTRL MODULE LIN BUS 2 IGN 1 VOLT 11 LED BACKLIGHT DIMMING CTRL 11 LEFT STEERING WHEEL CONTROLS SWITCH PNK WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATER STEERING WHEEL HEATING CONTROL MODULE STRG WHL HEATING SW LED CNTRL STRG WHL LO REF VIO WIRE VIO/BLU WIRE VIO/WHT WIRE W/ ELECTRIC DOOR LOCK CONTROL W/O ELECTRIC DOOR LOCK CONTROL WHT WIRE WHT/YEL WIRE YEL WIRE YEL/GRY WIRE YEL/RED WIRE

AJAR SW SIG BATT POS VOLT 4 BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH BRK FLUID LVL SENS SIG BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONIC BRAKE CONTROL MODULE (BEHIND UNDERHOOD FUSE BLOCK) FUEL PUMP DRIVER CONTROL MODULE GRN/GRY WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HI SPD GMLAN SER DATA (+) 1 HOT AT ALL TIMES HOT W/ IGNITION RELAY ENERGIZED LEVEL SENS SIG LIN BUS 3 LOGIC LOW REF PARK BRAKE CONTROL SWITCH (ON PARK BRAKE PEDAL ASSEMBLY) PARK BRK APPLY SW VOLT REF 1 PARK BRK APPLY SW VOLT REF 2 PARK BRK SW MONITOR SIG 1 PARK BRK SW MONITOR SIG 2 PARK BRK SW SIG PARK BRK SW TEST SIG PASSENGER WINDOW MOTOR PRIMARY FUEL LEVEL SENSOR PRIMARY FUEL PUMP, LEVEL SENSOR ASSEMBLY RED/YEL WIRE RF DR SECONDARY FUEL LEVEL SENSOR SECONDARY FUEL PUMP, LEVEL SENSOR ASSEMBLY SERIAL DATA (-) 7 UNDERHOOD FUSE BLOCK VIO/BLU WIRE W/ DUAL TANK W/O DUAL TANK WHT WIRE YEL WIRE YEL/RED WIRE

BATT POS VOLT BLK WIRE BLU WIRE BRN WIRE FRONT VERTICAL DOWN FRONT VERTICAL UP FWD UP GRN WIRE HORIZONTAL RWD HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BLOCK PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT FRONT VERTICAL MOTOR PASSENGER SEAT HORIZONTAL MOTOR PASSENGER SEAT REAR VERTICAL MOTOR PASSENGER SEAT RECLINE MOTOR REAR VERTICAL DOWN REAR VERTICAL UP HORIZONTAL FWD RECLINE FWD RECLINE RWD RED/BRN WIRE RWD VIO WIRE WHT WIRE YEL WIRE

BLK WIRE BLU WIRE HOT AT ALL TIMES PASSENGER SEAT LUMBAR SUPPORT PUMP PASSENGER SEAT LUMBAR SUPPORT SWITCH RED WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RWD VIO WIRE W/O HEATED SEAT YEL WIRE

ANTENNA BATT POSITIVE VOLT BLK WIRE BLU WIRE BODY CONTROL MODULE (UNDER LEFT SIDE OF DASH) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DATA 1 (+) DIESEL DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GASOLINE GMLAN SERIAL GMLAN SERIAL DATA - 1 GRN/GRY WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/GRN WIRE HOOD AJAR SW SIG HOOD AJAR SWITCH HOT AT ALL TIMES IMMOBILIZER CONTROL MODULE IMMOBILIZER RETURN IMMOBILIZER SPLY VOLT INSTRUMENT CLUSTER LIN BUS 11 LO SPD GMLAN SERIAL DATA LOGIC RED/GRY WIRE RETURN RIGHT INSTRUMENT PANEL FUSE BLOCK SECURITY INDICATOR SPLY VOLT SW SIG WHT WIRE YEL 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