GMC Sierra IV facelift (2022-2024) Radio circuit, low level

AUDIO/VIDEO RECEPTACLE AUTOSAR CAN BUS (-) 5 AUXILIARY WIRELESS COMMUNICATION INTERFACE ANTENNA BACKUP LAMP CTRL BATTERY POSITIVE VOLTAGE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/WHT WIRE COAX COAX BG COAX CU COMPUTER DATA LINES SYSTEM DISPLAY GRN/BLK WIRE GRN/WHT WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/VIO WIRE HOT AT ALL TIMES INFOTAINMENT DISPLAY 5 VOLT REF INFOTAINMENT DISPLAY BACKLIGHT DIMMING CTRL INFOTAINMENT DISPLAY BACKLIGHT ENABLE CTRL INFOTAINMENT DISPLAY LCD ENABLE SIG INFOTAINMENT DISPLAY LOW REF INSTRUMENT PANEL USB 2 PORT RECEPTACLE LF RR SPEAKER (+) CTRL LOGIC RADIO RADIO CONTROLS RADIO SW BUTTONS SIG RADIO SW POWER ON/OFF SW SIG RADIO SW VOLUME DOWN SIG RADIO SW VOLUME UP SIG RADIO SWITCH DIMMING CTRL RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SIG GND USB USB BK-2 USB SERIAL DATA VIO/WHT WIRE WIFI 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

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