GMC Sierra IV facelift (2022-2024) nca Wiring diagrams

A/C IND A/C SWITCH AIR CONDITIONING CLUTCH AIR CONDITIONING COMPRESSOR (LOWER LEFT SIDE OF ENGINE) AIR CONDITIONING COMPRESSOR SOLENOID VALVE AIR CONDITIONING EVAPORATOR AIR TEMPERATURE SENSOR ANTI-THEFT SYSTEM AUTO IND AUTO SWITCH BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/GRN WIRE CHARGE AIR COOLER COOLANT PUMP (3.0L TURBO DIESEL) (LEFT FRONT OF ENGINE COMPT) COMPUTER DATA LINES SYSTEM DEFROST, LOWER AIR OUTLET IND DEFROST, LOWER AIR OUTLET SWITCH DISPLAY FRONT HEATER, AIR CONDITIONING USER INTERFACE CONTROL GRN/VIO WIRE GRY WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM LOGIC LOWER AIR OUTLET IND LOWER AIR OUTLET SWITCH MAX WINDSHIELD DEFROST IND MAX WINDSHIELD DEFROST SWITCH NCA WIRE ON/OFF SWITCH REAR CLIMATE SWITCH REAR ON/OFF IND REAR ON/OFF SWITCH RECIRCULATION IND RECIRCULATION SWITCH RED/BRN WIRE RED/WHT WIRE SUNLOAD, AMBIENT LIGHT, SECURITY INDICATOR SENSOR SYNC IND SYNC SWITCH UPPER AIR OUTLET SWITCH VIO/BLK WIRE VIO/BLU WIRE WHT/BLU WIRE WHT/GRY WIRE WHT/YEL WIRE

1-VT 2-VT AUTOSAR CAN BUS BATT POS VOLT BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/WHT WIRE CELL CELL/GPS COAX COMPUTER DATA LINES SYSTEM DRIVER INFORMATION DISPLAY GRN/BLK WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/YEL WIRE LOW REF LVDS NCA WIRE RED/GRN WIRE RED/YEL WIRE SIG GND STEERING WHEEL RADIO FAVORITES SWITCH TELEMATIC CONTROL MODULE (BEHIND LEFT SIDE OF DASH) TELEMATICS SW GREEN LED IND CTRL TELEMATICS SW RED LED IND CTRL WIRE TELEMATICS SW SIG TELEMATICS SW SUPPLY VOLT VIO/WHT WIRE VOICE RECOGNITION AUDIO (-) CTRL VOICE RECOGNITION AUDIO SIG WHT/YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

1-RD AM/FM BK-1 LVDS USB SERIAL DATA BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BRN/BLU WIRE BRN/WHT WIRE CALL COAX COMMUNICATION CENTER CALL SWITCH COMPUTER DATA LINES SYSTEM DOWN UP ETHERNET BUS 2 (-) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BRN WIRE GRY/YEL WIRE HOME LEFT FRONT MOBILE TELEPHONE MICROPHONE LF FRT SPEAKER (+) CTRL 1 LF RR SPEAKER (+) CTRL LOGIC LVDS NCA WIRE OG RR VISION CAMERA COAXIAL VIDEO SIG ONSTAR POWER RADIO RADIO ANTENNA RADIO FUNCTION SWITCH RH FRT SPEAKER (+) CTRL 1 RH RR SPEAKER (+) CTRL RIGHT RADIO REAR SIDE DOOR SPEAKER ROOF CONSOLE SOS VIDEO PROCESSING MODULE VIO/WHT WIRE VOICE VOICE RECOGNITION AUDIO (-) CTRL VOICE RECOGNITION AUDIO SIGNAL VOL VOL W/ VEHICLE COMMUNICATION SYSTEM W/O VEHICLE COMMUNICATION SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE YEL/VIO WIRE

1-VT 2-VT AUDIO/VIDEO RECEPTACLE AUTOSAR CAN BUS BATT POS VOLT BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/WHT WIRE CELL CELL/GPS COAX COMPUTER DATA LINES SYSTEM DISPLAY GRN/BLK WIRE GRN/WHT WIRE GRY/YEL WIRE LEFT FRONT MOBILE TELEPHONE MICROPHONE LOGIC LOW REF NCA WIRE RADIO CONTROLS RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT MOBILE TELEPHONE MICROPHONE SIG GND TELEMATIC CONTROL MODULE (BEHIND LEFT SIDE OF DASH) TELEMATICS SW GREEN LED IND CTRL TELEMATICS SW RED LED IND CTRL WIRE TELEMATICS SW SIG TELEMATICS SW SUPPLY VOLT USB VIO/YEL WIRE VOICE RECOGNITION AUDIO (-) CTRL VOICE RECOGNITION AUDIO SIG YEL WIRE YEL/VIO WIRE

AUDIO AMPLIFIER AUTOSAR CAN BUS (-) 5 BATTERY POSITIVE VOLTAGE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY WIRING HARNESS JUNCTION BLOCK BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ETHERNET BUS 6 (-) FRONT FLOOR SPEAKER CONSOLE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HOT AT ALL TIMES LF FRT MIDRANGE SPEAKER (-) CTRL LF FRT SPEAKER (+) CTRL 1 LF RR SPEAKER (+) CTRL LF/RR SUBWOOFER (+) CTRL NCA WIRE RED/YEL WIRE RH FRT MIDRANGE SPEAKER (-) CTRL RH FRT SPEAKER (+) CTRL 1 RH RR SPEAKER (+) CTRL RIGHT FRONT INSTRUMENT PANEL RADIO SPEAKER RIGHT RADIO FRONT SIDE DOOR SPEAKER SIG GND WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/VIO WIRE

1-VT 2-VT AUDIO/VIDEO RECEPTACLE AUTOSAR CAN BUS BATT POS VOLT BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/WHT WIRE CELL CELL/ GPS COAX COMPUTER DATA LINES SYSTEM DISPLAY GRN/BLK WIRE GRN/WHT WIRE GRY/YEL WIRE LEFT FRONT MOBILE TELEPHONE MICROPHONE LOGIC LOW REF NCA WIRE RADIO CONTROLS RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT MOBILE TELEPHONE MICROPHONE SIG GND TELEMATIC CONTROL MODULE (BEHIND LEFT SIDE OF DASH) TELEMATICS SW GREEN LED IND CTRL TELEMATICS SW RED LED IND CTRL WIRE TELEMATICS SW SIG TELEMATICS SW SUPPLY VOLT USB VIO/YEL WIRE VOICE RECOGNITION AUDIO (-) CTRL VOICE RECOGNITION AUDIO SIG YEL WIRE YEL/VIO WIRE

BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/VIO WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BRN WIRE LEFT FRONT RADIO WINDSHIELD SIDE GARNISH MOLDING SPEAKER LEFT INSTRUMENT PANEL RADIO FRONT SPEAKER LEFT RADIO FRONT SIDE DOOR SPEAKER LEFT RADIO REAR SIDE DOOR SPEAKER LEFT RADIO REAR SIDE DOOR UPPER SPEAKER LOGIC MUTE NCA WIRE NEXT PREVIOUS RED/GRN WIRE RIGHT RADIO REAR SIDE DOOR SPEAKER RIGHT RADIO REAR SIDE DOOR UPPER SPEAKER SEEK DOWN SEEK UP SELECT STEERING WHEEL RADIO CONTROL SWITCH STEERING WHEEL RADIO VOLUME SWITCH VOICE WHT WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/VIO WIRE

ACTIVE NOISE CANCELLATION AUDIO AMPLIFIER AUTOSAR CAN BUS (-) 5 BATTERY POSITIVE VOLTAGE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY WIRING HARNESS JUNCTION BLOCK BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ETHERNET BUS 6 (-) FRONT FLOOR SPEAKER CONSOLE FRT CENTER SPEAKER (+) CTRL GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE HOT AT ALL TIMES LF FRT MIDRANGE SPEAKER (-) CTRL LF FRT SPEAKER (+) CTRL 1 LF RR SPEAKER (+) CTRL LF/RR SUBWOOFER (+) CTRL MICROPHONE 1 FEEDBACK SIG MICROPHONE 1 SIG NCA WIRE RADIO FRONT CENTER SPEAKER RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RED/YEL WIRE RH FRT MIDRANGE SPEAKER (-) CTRL RH FRT SPEAKER (+) CTRL 1 RH RR SPEAKER (+) CTRL RIGHT INSTRUMENT PANEL RADIO FRONT SPEAKER SIG GND WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/VIO WIRE YEL/WHT WIRE

1-VT 2-VT AUDIO/VIDEO RECEPTACLE AUTOSAR CAN BUS BATT POS VOLT BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/WHT WIRE CELL CELL/GPS COAX COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRN/WHT WIRE GRY/YEL WIRE LEFT FRONT MOBILE TELEPHONE MICROPHONE LOGIC LOW REF NCA WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT MOBILE TELEPHONE MICROPHONE SIG GND TELEMATIC CONTROL MODULE (BEHIND LEFT SIDE OF DASH) TELEMATICS SW GREEN LED IND CTRL TELEMATICS SW RED LED IND CTRL WIRE TELEMATICS SW SIG TELEMATICS SW SUPPLY VOLT USB VIO/YEL WIRE VOICE RECOGNITION AUDIO (-) CTRL VOICE RECOGNITION AUDIO SIG YEL WIRE YEL/VIO WIRE

BEHIND STEERING WHEEL) BLK WIRE BLK/WHT WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRN/GRY WIRE GRN/ORG WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES NCA WIRE RED WIRE RED/BRN WIRE RED/GRN WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SEATS SYSTEM STEERING WHEEL AIR BAG COIL STEERING WHEEL DRIVER MONITORING SYSTEM MODULE STEERING WHEEL LED DISPLAY STEERING WHEEL TOUCH SENSOR (IN STEERING WHEEL) VIO/BLU WIRE VIO/YEL WIRE WHT/YEL WIRE YEL/GRY WIRE YEL/RED WIRE