GMC Sierra IV facelift (2022-2024) left instrument panel center accessory function switch Wiring diagrams

2.7L TURBO 5.3L, 6.2L AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILL LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH MULTI-FUNCTION POWER SUPPLY CONVERTER POWER DISTRIBUTION SYSTEM RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRANK IGNITION 1 VOLTAGE SIGNAL GROUND STARTER ENABLE RELAY CONTROL STARTER PINION SOLENOID ACTUATOR RELAY CONTROL STOP/START INDICATOR CONTROL STOP/START SWITCH SIGNAL VIO/GRN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) GRN WIRE HOT AT ALL TIMES ILL LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH MULTI-FUNCTION POWER SUPPLY CONVERTER POWER DISTRIBUTION SYSTEM RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRANK IGNITION 1 VOLTAGE SIGNAL GROUND STARTER ENABLE RELAY CONTROL STOP/START INDICATOR CONTROL STOP/START SWITCH SIGNAL VIO/GRN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

2.7L TURBO 5.3L, 6.2L AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILL LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH MULTI-FUNCTION POWER SUPPLY CONVERTER POWER DISTRIBUTION SYSTEM RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRANK IGNITION 1 VOLTAGE SIGNAL GROUND STARTER ENABLE RELAY CONTROL STARTER PINION SOLENOID ACTUATOR RELAY CONTROL STOP/START INDICATOR CONTROL STOP/START SWITCH SIGNAL VIO/GRN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

2.7L TURBO 5.3L, 6.2L AUTOSAR CAN BUS (+) 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (BEHIND LEFT HEADLAMP ASSEMBLY) ENGINE WIRING HARNESS JUNCTION BLOCK GRN WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILL LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH MULTI-FUNCTION POWER SUPPLY CONVERTER POWER DISTRIBUTION SYSTEM RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RUN/CRANK IGNITION 1 VOLTAGE SIGNAL GROUND STARTER ENABLE RELAY CONTROL STARTER PINION SOLENOID ACTUATOR RELAY CONTROL STOP/START INDICATOR CONTROL STOP/START SWITCH SIGNAL VIO/GRN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/VIO WIRE

2.7L TURBO 3.0L TURBO DIESEL 5.3L, 6.2L ABS IND. ABS/TRACTION CONTROL HILL DESCENT CONTROL SWITCH SIGNAL BATTERY POSITIVE VOLTAGE BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRAKE APPLY SENSOR CONTROL BRAKE APPLY SENSOR LOW REFERENCE BRAKE APPLY SENSOR SIGNAL BRAKE FLUID LEVEL INDICATOR SWITCH BRAKE IND BRAKE PEDAL POSITION SENSOR BRAKE POSITION SENSOR SIGNAL COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE ENGINE CONTROL SENSORS 5 VOLT REFERENCE 1 ENGINE CONTROL SENSORS LOW REFERENCE 1 ENGINE CONTROLS SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK ESC IND ESC OFF IND GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH LEFT REAR DISC BRAKE PAD WEAR SENSOR LOGIC NCA WIRE PARKING BRAKE CONTROL SWITCH RED/YEL WIRE RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK TRACTION CONTROL OFF IND TRACTION CONTROL SWITCH SIGNAL 1 TRACTION OFF SWITCH VEHICLE STABILITY CONTROL SYSTEM SWITCH VIO/BLK WIRE W/ CONTINUOUS DAMPING CONTROL CHASSIS PACKAGE W/O CONTINUOUS DAMPING CONTROL CHASSIS PACKAGE WHT WIRE WHT/GRN WIRE WHT/RED WIRE

AUTOMATED DRIVING MAPPING MODULE AUTOMATIC TRANSMISSION CONTROL LEVER BASE TRIM PACKAGE BEHIND STEERING WHEEL) BLK WIRE BLK/WHT WIRE COLUMN LOCK MODULE CRUISE CONTROL SWITCH DATA LINK CONNECTOR DRIVER MONITORING SYSTEM MODULE EXCEPT BASE TRIM PACKAGE FORWARD COLLISION ALERT DISPLAY FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HEADLAMP SWITCH INSIDE AIR MOISTURE, WINDSHIELD TEMPERATURE SENSOR INSIDE REAR VIEW MIRROR INSTRUMENT PANEL CLUSTER CONTROL MODULE LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH NCA WIRE ON/OFF VEHICLE SWITCH PARKING BRAKE CONTROL SWITCH RIDE CONTROL SWITCH RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH ROOF CONSOLE SERIAL DATA GATEWAY MODULE STEERING WHEEL AIR BAG COIL STEERING WHEEL DRIVER MONITORING SYSTEM MODULE STEERING WHEEL HORN CONTACT STEERING WHEEL RADIO CONTROL SWITCH STEERING WHEEL RADIO FAVORITES SWITCH STEERING WHEEL RADIO VOLUME SWITCH TURN SIGNAL SWITCH VEHICLE STABILITY CONTROL SYSTEM SWITCH W/ FLEXRIDE MODE SYSTEM SWITCH W/ FULL VIDEO DISPLAY W/ HANDS FREE LANE ACTIVE SAFETY W/ INTEGRATED BRAKE ASSIST W/ LANE ACTIVE SAFETY W/ MOISTURE SENSITIVE WIPER SYSTEM WINDSHIELD-PULSE W/ STEERING WHEEL CONTROL W/O MOISTURE SENSITIVE WIPER SYSTEM WINDSHIELD-PULSE W/O WINDSHIELD HEAD-UP DISPLAY WINDSHIELD FRONT VIEW CAMERA WINDSHIELD OUTSIDE MOISTURE/ AMBIENT LIGHT, HUMIDITY SENSOR

AUX 1 AUX 2- AUX 3 AUX 4 AUX 5 BLK/WHT WIRE BLU/YEL WIRE CAN-BUS CHASSIS CONTROL MODULE COMPUTER DATA LINES SYSTEM FRT AXLE DIFFERENTIAL HEAD-UP DISPLAY SWITCH LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH LOCK IND CTRL ON/OFF VEHICLE SWITCH RIDE CONTROL SWITCH RIGHT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH ROOF CONSOLE RR AXLE DIFFERENTIAL VEHICLE STABILITY CONTROL SYSTEM SWITCH VIO/GRY WIRE WHT WIRE YEL WIRE

AUTOSAR CAN BUS (+) 4 SERIAL DATA BEHIND STEERING WHEEL) BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH DAY NIGHT LED CONTROL DISTANCE SENSING CRUISE CONTROL GAP UP/DOWN SWITCH SIGNAL DRIVER INFORMATION CENTER DISPLAY DRIVER SEAT ADJUSTER MEMORY MODULE DRV SEAT LR HAPTIC MOVEMENT MTR CTRL DRV SEAT RR HAPTIC MOVEMENT MTR CTRL ENGINE WIRING HARNESS JUNCTION BLOCK ETHERNET BUS 7 (-) EXTENDED CAB CREW CAB FORWARD COLLISION ALERT DISPLAY FORWARD COLLISION ALERT LED CONTROL FORWARD COLLISION SWITCH GRN WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT PANEL CLUSTER CONTROL MODULE LANE DEPARTURE WARNING DISABLE SWITCH SIGNAL LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING INDICATOR CONTROL LANE DEPARTURE WARNING SWITCH LEFT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH LOGIC NCA WIRE RED/YEL WIRE RES+ RIGHT FRONT SEAT LANE DEPARTURE WARNING ACTUATOR RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SET- STEERING WHEEL AIR BAG COIL TRANSMISSIONS SYSTEM VIO/BLK WIRE WHT WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA YEL/BRN WIRE

BLK WIRE BLK/GRY WIRE BLU/YEL WIRE BODY CONTROL MODULE (LEFT END OF DASH) BRN/WHT WIRE CAN-BUS COMPUTER DATA LINES SYSTEM GRN/BRN WIRE GRY/GRN WIRE LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH LEFT REAR MIDDLE PARKING ASSIST ALARM SENSOR LEFT REAR OUTER PARKING ASSIST ALARM SENSOR PARKING ASSIST IND PARKING ASSIST SWITCH REAR PARKING ASSIST DISABLE LED SIG REAR PARKING ASSIST DISABLE SIG RIGHT REAR MIDDLE PARKING ASSIST ALARM SENSOR RIGHT REAR OUTER PARKING ASSIST ALARM SENSOR WHT WIRE YEL WIRE YEL/BLU WIRE YEL/VIO WIRE YEL/WHT WIRE

AUTOSAR CAN BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN/ORG WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DETECT OFF SWITCH ENGINE WIRING HARNESS JUNCTION BLOCK GRY/ORG WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT FRONT DOOR AIR BAG SIDE IMPACT SENSOR LEFT INSTRUMENT PANEL CENTER ACCESSORY FUNCTION SWITCH LEFT REAR DOOR AIR BAG SIDE IMPACT SENSOR NCA WIRE ORG/BLU WIRE ORG/BRN WIRE ORG/GRN WIRE ORG/GRY WIRE PASSENGER RESTRAINTS OCCUPANT CLASSIFICATION SYSTEM MODULE PASSENGER SEAT BELT TENSION SENSOR RED/GRN WIRE RIGHT FRONT DOOR AIR BAG SIDE IMPACT SENSOR RIGHT FRONT ROW ROOF RAIL AIR BAG RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SIG GND SW LO REF SW SIG VIO/WHT WIRE WHT WIRE WHT/ORG WIRE