Chevrolet TrailBlazer II facelift (2017-2024) Radio circuit, low level w/o active noise

AM/FM AUXILIARY AUDIO INPUT BK COAX BK USB BLK WIRE BLU/RED WIRE CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRN/WHT WIRE GRY/GRN WIRE HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT PANEL FUSE BLOCK LOGIC ORG/WHT WIRE RADIO RADIO ANTENNA RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RED/BRN WIRE RED/WHT WIRE USB USB USB W/ DIGITAL AUDIO SYSTEM W/O DIGITAL AUDIO SYSTEM WHT/ORG WIRE YEL WIRE

AUDIO (-) CTRL AUDIO SIG + BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BLUETOOTH BLUETOOTH WIRELESS COMMUNICATION ANTENNA CELL CELL/GPS COAX COMPUTER DATA LINES SYSTEM D-RD GRN WIRE GRN/BLK WIRE GRY/YEL WIRE HIGH SPD GMLAN LEFT FRONT MOBILE TELEPHONE MICROPHONE LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOW REF MUTE NCA WIRE ORG/WHT WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT STEERING WHEEL CONTROLS SWITCH SEEK DOWN SEEK UP SERIAL DATA (-) 9 SIG SOURCE STEERING WHEEL AIR BAG COIL TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE VOICE VOL (-) W/ AUTO HIGH BEAM HEADLAMP CONTROL W/O AUTO HIGH BEAM HEADLAMP CONTROL WHT/GRN WIRE WHT/ORG WIRE

BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE BN COAX BODY CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) BRN/BLU WIRE CLUSTER COAX COAX OG COMPUTER DATA LINES SYSTEM CONTROLS SIG 1 DRIVER INFORMATION CENTER DISPLAY GRN WIRE GRN/BLK WIRE GRY WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HIGH SPEED GMLAN HOT AT ALL TIMES HOT W/ BATTERY SAVER RELAY 1 ENERGIZED INSTRUMENT INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR DOOR SPEAKER LIN BUS 1 LOGIC LOW SPD GMLAN NAVIGATION SYSTEM OG COAX RADIO REAR VIEW CAMERA REAR VIEW CAMERA CIRCUIT RED WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER SERIAL DATA (-) (1) SERIAL DATA 2 STEERING WHEEL AIR BAG COIL STEERING WHEEL) WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE