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

AM/FM AUXILIARY AUDIO INPUT BK COAX BK USB BLK WIRE BLU/RED WIRE BRN/VIO WIRE CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRN/WHT WIRE GRN/YEL 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 BRN/VIO WIRE CELL CELL/GPS COAX COMPUTER DATA LINES SYSTEM D-RD GRN WIRE GRN/BLK WIRE GRN/YEL 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 BODY CONTROL MODULE (UNDER FRONT OF CENTER CONSOLE) BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE CLUSTER COAX COMPUTER DATA LINES SYSTEM CONTROLS SIG 1 DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/YEL 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 LIN BUS 1 LOGIC LOW SPD GMLAN NAVIGATION SYSTEM RADIO REAR VIEW CAMERA REAR VIEW CAMERA CIRCUIT RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE SERIAL DATA (-) (1) SERIAL DATA 2 STEERING WHEEL AIR BAG COIL STEERING WHEEL) VIO/BLU WIRE WHT WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

ACTIVE NOISE CANCELLATION MODULE (RIGHT REAR LUGGAGE COMPT) AUDIO MUTE SIG BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE ENABLE SIG GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE LEFT FRONT ACTIVE NOISE CANCELLATION MICROPHONE LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR ACTIVE NOISE CANCELLATION MICROPHONE LEFT REAR DOOR SPEAKER LF LOW LEVEL AUDIO SIG LF SPEAKER (-) CTRL 1 GND LF SPEAKER CTRL (+) 1 BATT POS VOL LR LOW LEVEL AUDIO SIG + LR SPEAKER (+) CTRL LR SUBWOOFER CTRL (-) MICROPHONE 1 FDBK SIG MICROPHONE 1 SIG MICROPHONE 2 FDBK SIG MICROPHONE 2 SIG MICROPHONE 3 FDBK SIG MICROPHONE 3 SIG MICROPHONE 4 FDBK SIG MICROPHONE 4 SIG RED/BRN WIRE REPLICATED SIG RF LOW LEVEL AUDIO SIG RF SPEAKER (-) CTRL 1 RIGHT FRONT ACTIVE NOISE CANCELLATION MICROPHONE RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR ACTIVE NOISE CANCELLATION MICROPHONE RIGHT REAR DOOR SPEAKER RR LOW LEVEL AUDIO SIG + RR SPEAKER (+) CTRL SUBWOOFER SPEAKER VIO/BLU WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE