GMC Sierra IV (2018-2022) yel/gry Wiring diagrams

AC POWER OUTLET ENABLE AC POWER OUTLET SW SIG/ ALL WINDOWS OPEN SW SIG AIR CONDITIONING SYSTEM AMBIENT LIGHT SENS SIG ANTI-LOCK BRAKES SYSTEM AUTO STOP START IND CTRL AUTO STOP START SWITCH SIG BACKUP LAMP RLY CTRL BATT POSITIVE VOLT BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BRN WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRAKE APPLY SENS CTRL BRAKE APPLY SENS LOW REF BRAKE APPLY SENS SIG BRN WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/WHT WIRE CARGO LAMP SW SIG COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM CRUISE/ETC/TCC BRAKE SIG CURRENT SENS LOW REF DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, SHIFT INTERLOCK SYSTEMS EXTERIOR LIGHTS, ANTI-LOCK BRAKES, CRUISE CONTROL, SHIFT INTERLOCK SYSTEMS EXTERIOR LIGHTS, CRUISE CONTROL, SHIFT INTERLOCK SYSTEMS FOG LAMP RLY CTRL GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/WHT WIRE HAZARD SW SIG HEADLAMP SW ON SIG HEADLAMP SW PARK LAMP SIG HEADLIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HEADLIGHTS, INTERIOR LIGHTS SYSTEMS HORN RLY CTRL AC POWER OUTLET STATUS INDICATOR CTRL HORNS SYSTEM HOT AT ALL TIMES IGN MODE SW ACCESSORY LED SIG IGN MODE SW MODE VOLTAGE IGN MODE SW START LED SIG INDICATOR DIMMING CTRL INTERIOR LAMP CTRL INTERIOR LAMP DEFEAT SW SIG LED AMBIENT LIGHTING CTRL 2 LEFT HEADLAMP RELAY CTRL LEFT MINOR ENDGATE AJAR SIG LEFT TRAILER TURN SIG LAMP CTRL LIGHTING CTRL SWITCH REF LIGHTING CTRL SWITCH SIG LOW SPEED GMLAN SERIAL DATA MAJOR ENDGATE HIGH RELAY CTRL MAJOR ENDGATE LOW RELAY CTRL NETWORK BUS 4 OUT OF PARK SIG PARK LAMP RLY CTRL POWER DISTRIBUTION SYSTEM POWER WINDOWS SYSTEM RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE REMOTE FUNCTION ACTR CTRL REMOTE FUNCTION ACTR LO REF REMOTE FUNCTION ACTR TRANSMIT SIG RIGHT FRONT DRL CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT MINOR ENDGATE AJAR SIG RIGHT TRAILER TURN SIG LAMP CTRL HEADLAMP HIGH BEAM RLY CTRL RUN IGNITION 3 VOLT DOME LAMP OFF INDICATOR CTRL SECURITY INDICATOR CTRL SERIAL DATA (+) (1) REMOTE FUNC ACTR RECEIVE SIG SERIAL DATA (-) (1) STARTING/CHARGING SYSTEM STEERING COLUMN LOCK STATUS SIG STOP/TURN LAMP CTRL SW HEADLAMPS OFF SIG CTRL TASK LAMP SW SIG TRACTION CTRL SW SIG 1 TRAILER BRAKE APPLY SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM TURN SIGNAL LAMP CTRL VIO/BRN WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WIPER SW HIGH SIG WIPER/WASHER SYSTEM POWER DISTRIBUTION SYSTEM YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

ACC VOLT ANT 1 HI SIG ANT 1 LO SIG ANT 2 HI SIG ANT 2 LO SIG ANT HI SIG ANT LO SIG BATT POSITIVE VOLT 43 BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRV DR ANT HI SIG DRV DR ANT LO SIG DRV DR HANDLE SW SIG DRV DR OPEN SW SIG IGN MODE SW CHALLENGE ACTV SIG IGN MODE SW SIG 2 GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES IGNITION MODE SWITCH INSTRUMENT PANEL COMPARTMENT KEYLESS ENTRY ANTENNA KEYLESS ENTRY CONTROL MODULE LEFT INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA LR DR HANDLE SW SIG PASS DR ANT HI SIG PASS DR ANT LO SIG PASS DR HANDLE SW SIG PASSIVE START SW 2 LO REF PNK WIRE POWER DISTRIBUTION SYSTEM REAR COMPARTMENT KEYLESS ENTRY ANTENNA RED/YEL WIRE RETAINED ACC PWR RELAY 2 COIL CTRL RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT STEERING COLUMN LCK SIG VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

BATT POS BLK WIRE BLK/WHT WIRE BLU/VIO WIRE COMPUTER DATA LINES SYSTEM CRANK DATA DATA 2 (+) DOOR AJAR IND DRIVER EXTERIOR DOOR HANDLE ASSEMBLY DRIVER EXTERIOR DOOR HANDLE SWITCH DRIVER INFORMATION CENTER DISPLAY GMLAN GMLAN SERIAL GND 18 GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ING 1 INSTRUMENT CLUSTER LCK STATUS SIG LEFT FRONT DOOR HANDLE KEYLESS ENTRY ANTENNA LEFT REAR EXTERIOR DOOR HANDLE ASSEMBLY LEFT REAR EXTERIOR DOOR HANDLE SWITCH LO SPD LOCK SIG LOGIC NCA WIRE OFF/ACC VOLT PASSENGER EXTERIOR DOOR HANDLE ASSEMBLY PASSENGER EXTERIOR DOOR HANDLE SWITCH PNK WIRE RED/GRY WIRE RIGHT FRONT PASSENGER DOOR HANDLE KEYLESS ENTRY ANTENNA RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR EXTERIOR DOOR HANDLE ASSEMBLY RIGHT REAR EXTERIOR DOOR HANDLE SWITCH RUN/ SECURITY IND SERIAL STEERING COLUMN LOCK MODULE VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE VOLT 14 VOLT 16 WHT/YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

8 WAY BATT POS VOLT 51 BATT POS VOLT 61 BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BODY CTRL MODULE LIN BUS 2 BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE CO-DRV HEATED BACK THERMISTOR LO REF CO-DRV HEATED SEAT THERMISTOR LO REF COMPUTER DATA LINES SYSTEM DRIVER CUSHION HEATED SEAT SWITCH DRIVER VENTILATED HEATED SEAT SWITCH DRV HEATED BACK THERMISTOR LO REF DRV HEATED SEAT THERMISTOR LO REF DRV SEAT BACK HEATING ELEMENT CTRL DRV SEAT BACK HEATING TEMPERATURE SENS SIG DRV SEAT BLOWER MOTOR CTRL 1 DRV SEAT HEATING ELEMENT CTRL DRV SEAT HEATING ELEMENT LO REF DRV SEAT HEATING TEMPERATURE SENS SIG EXCEPT 8 WAY FRONT SEAT HEATING CONTROL MODULE (UNDER FRONT OF PASSENGER SEAT) GND 12 GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY/BLK WIRE HIGH HEAT IND HOT AT ALL TIMES HVAC CONTROLS LEFT CUSHION/BACK HEATED SEAT SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC LOW HEAT IND MED HEAT IND PASS SEAT BACK HEATING ELEMENT CTRL PASS SEAT BACK HEATING TEMPERATURE SENS SIG PASS SEAT BLOWER MOTOR CTRL 1 PASS SEAT HEATING ELEMENT CTRL PASS SEAT HEATING ELEMENT LO REF PASS SEAT HEATING TEMPERATURE SENS SIG PASSENGER CUSHION HEATED SEAT SWITCH PASSENGER VENTILATED HEATED SEAT SWITCH RED WIRE RED/GRN WIRE RIGHT CUSHION/BACK HEATED SEAT SWITCH WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE YEL/GRY WIRE

BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE DRIVER BACK SEAT BLOWER MOTOR DRIVER BACK SEAT HEATING ELEMENT DRIVER CUSHION SEAT BLOWER MOTOR DRIVER CUSHION SEAT HEATING ELEMENT GRN/VIO WIRE GRY/BLK WIRE HOT W/ IGNITION MAIN RELAY ENERGIZED LOGIC NCA WIRE PASSENGER BACK SEAT BLOWER MOTOR PASSENGER BACK SEAT HEATING ELEMENT PASSENGER CUSHION SEAT BLOWER MOTOR PASSENGER CUSHION SEAT HEATING ELEMENT RIGHT INSTRUMENT PANEL FUSE BLOCK VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE YEL/GRY WIRE

2.7L TURBO AMBIENT LIGHT/ SUNLOAD SENSOR BATTERY FUSE BLOCK BLK WIRE BLK/GRN WIRE BLU/BRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA BUS 9 FRONT FOG LAMP RELAY GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY/BLU WIRE HEADLAMP HIGH BEAM RELAY HEADLAMP RELAY HOT AT ALL TIMES HVAC CONTROL MODULE INTERCONNECT LEFT DAYTIME RUNNING LAMP, LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LO REF LOCAL LOGIC LOW REFERENCE NETWORK SERIAL RED/GRN WIRE SOLAR SENS SOLAR SENSOR UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRY WIRE

AUTO BLK WIRE BLK/WHT WIRE BLU/BRN WIRE COMPUTER DATA LINES SYSTEM DIMMER SWITCH DRIVER INFORMATION CENTER DISPLAY FRONT FOG LAMP IND FRONT FOG LAMP SWITCH GRN/BRN WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY/GRN WIRE HEAD HEADLAMP SWITCH HIGH BEAM IND HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LOGIC LOW SPD GMLAN SER DATA OFF PARK PARK BRAKE CONTROL SWITCH PARK BRAKE SWITCH RED/GRN WIRE RIGHT DAYTIME RUNNING LAMP RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT INSTRUMENT PANEL FUSE BLOCK SIG GND RUN/CRANK IGNITION 1 VOLTAGE VIO/BLK WIRE WHT WIRE WHT/BRN WIRE WHT/VIO WIRE YEL WIRE YEL/GRY WIRE

2.7L TURBO BATTERY FUSE BLOCK BLK WIRE BLU/BRN WIRE BRN/VIO WIRE BRN/WHT WIRE FRONT FOG LAMP RELAY GROUND DISTRIBUTION SYSTEM GRY/BLU WIRE HEADLAMP HIGH BEAM RELAY HEADLAMP RELAY HOT AT ALL TIMES LEFT DAYTIME RUNNING LAMP, LEFT HEADLAMP LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE LF DRL CTRL LH HDLP CTRL LH HDLP HIGH BEAM CTRL LH HDLP LOW BEAM CTRL RED/GRN WIRE RF DRL CTRL RH HDLP CTRL RH HDLP HIGH BEAM CTRL RH HDLP LOW BEAM CTRL RIGHT DAYTIME RUNNING LAMP RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP MULTI-FUNCTION LED CONTROL MODULE UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BRN WIRE YEL/GRY 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

1/+ 10 SPEED A/T 6.6L (VIN 7) 6.6L VIN Y AUTOMATIC TRANSMISSION ASSEMBLY (10 SPEED A/T) BATT POS VOLT 28 LO SPD GMLAN SERIAL DATA 2 BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRK POS SENS LOW REF BRK POS SENS SIG BUS - COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRUISE IND DATA DATA BUS 1 DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GND BATT POS VOLT 4 GRN/YEL WIRE GRY WIRE GRY/GRN WIRE HI SPD HI SPEED GMLAN SERIAL HI SPEED GMLAN SERIAL DATA BUS (-) 1 HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES IGN MODE SW CTRL BACKUP IGN MODE SW MODE CTRL INSTRUMENT CLUSTER INTERNAL MOD SW VOLT SUPPLY A J108 (6.6L VIN 7) LOGIC NCA WIRE ORG/ WIRE RED/BRN WIRE RED/GRY WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SW FEEDBACK SIGNAL TRANSMISSION INTERNAL MODE SWITCH TRANSMISSION PARK/ NEUTRAL SIGNAL 1 TRANSMISSION RANGE SENSOR UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE