Cadillac XT4 I (2018-2023) Radio circuit, w/ surround amplifier

BATTERY POSITIVE VOLTAGE BATTERY POST VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DOWN GRN WIRE GRN/BLK WIRE GROUND GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT LOGIC LT BLU/RED WIRE MICROPHONE LO REF MICROPHONE SIG PNK WIRE POWER SUPPLY TRANSFORMER RADIO RED WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RIGHT RIGHT STEERING WHEEL CONTROLS SWITCH SEEK DOWN SEEK UP SER DATA SER DATA (+) 9 SER DATA (-) 9 BACKUP LAMP CTRL SER DATA (-) LO SPD GMLAN SER DATA 2 SER DATA COMM ENABLE STEERING WHEEL AIR BAG COIL SUPPLY VOLTAGE 1 VIO/YEL WIRE VOICE RECOGNITION AUDIO SIG VOICE RECOGNITION LO REF VOL (-) VOL - SEL W/ ONSTAR W/O ONSTAR WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE

AUDIO LOW REF AUDIO SIG + BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CELL COAX COMPUTER DATA LINES SYSTEM GPS GRN WIRE GRY/GRN WIRE GRY/YEL WIRE HIGH SPD GMLAN INFOTAINMENT CONTROL SWITCH LEFT FRONT MOBILE TELEPHONE MICROPHONE LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LOW REF LT BLU/RED WIRE MICROPHONE (-) LOW REF MICROPHONE SIG MUTE NCA WIRE PNK WIRE PPL/YEL WIRE RED WIRE RED/BLU WIRE RED/VIO WIRE RIGHT FRONT MOBILE TELEPHONE MICROPHONE SERIAL DATA (-) 9 VIO/YEL WIRE VOICE W/ ONSTAR W/O ONSTAR WHT/BLK WIRE WHT/GRN WIRE

AM/FM AUXILIARY AUDIO INPUT BATT POST VOLTAGE BK COAX BK USB USB SERIAL DATA BLK WIRE BLK/WHT WIRE BRN/BLK WIRE BRN/BLU WIRE CAMERA COAXIAL VIDEO SIGNAL COAX COAX BU COAX CU COAX OG COMPUTER DATA LINES SYSTEM DISPLAY DRIVER INFORMATION CENTER DISPLAY ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) GPS/CELL GROUND GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE INFO DISPLAY MODULE INSTRUMENT CLUSTER LOGIC LOW SPD GMLAN LVDS LVDS GY USB SER DATA NAVIGATION SYSTEM RADIO RADIO ANTENNA AMPLIFIER RADIO/HVAC CONTROLS RED/BLU WIRE RED/VIO WIRE S-BOOND SERIAL DATA 2 USB USB SER DATA W/ ONSTAR W/O ONSTAR YEL WIRE

BLK WIRE BLU/BLK WIRE BLU/YEL WIRE ENGINE CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLU WIRE GRY/BRN WIRE LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT REAR COMPARTMENT SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT REAR TWEETER SPEAKER REPLICATED RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE SIGNAL VIO/BLU WIRE WHT/BLK WIRE WHT/GRN WIRE YEL/BRN WIRE

AUDIO AMPLIFIER BLK WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE CENTER INSTRUMENT PANEL SPEAKER COMPUTER DATA LINES SYSTEM ETHERNET BUS 6 (-) FRONT CENTER SPKR (-) LOW REF FRONT CENTER SPKR CONTROL (+) GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT INSTRUMENT PANEL SPEAKER LF SPKR (+) (1) BATTERY POSITIVE VOLTAGE LF SPKR SIGNAL (-) 1 GROUND LF TWEETER SPKR CTRL (+) LF TWEETER SPKR CTRL (-) LO REF LO SPD GMLAN SER DATA 2 LR MIDRANGE SPKR (+) CTRL LR SPKR (-) CTRL LR SPKR SIGNAL (-) LR MIDRANGE SPKR - LO REF NOISE REDUCTION MICROPHONE 1 LOW REF NOISE REDUCTION MICROPHONE 1 SIGNAL NOISE REDUCTION MICROPHONE 2 LOW REF NOISE REDUCTION MICROPHONE 2 SIGNAL NOISE REDUCTION MICROPHONE 3 LOW REF NOISE REDUCTION MICROPHONE 3 SIGNAL NOISE REDUCTION MICROPHONE 4 RETURN NOISE REDUCTION MICROPHONE 4 SIGNAL RED/BRN WIRE REPLICATED SIGNAL RF SPEAKER SIG (-) 1 RF SPKR CONTROL (+) (1) RF TWEETER SPKR (-) LO REF RF TWEETER SPKR CTRL (+) RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR COMPARTMENT SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR TWEETER SPEAKER RR SPKR (-) CTRL RR SPKR SIGNAL (-) VIO/BLU WIRE VIO/BRN WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/WHT WIRE