Chevrolet Suburban XIII (2020-2024) Radio circuit, low level

AM/FM AM/FM RADIO ANTENNA AMPLIFIER AUXILIARY WIRELESS COMMUNICATION INTERFACE ANTENNA BACK BACKWARD BG COAX BK COAX BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE COAX COMPUTER DATA LINES SYSTEM CU COAX DISPLAY GRN/BLK WIRE GRN/WHT WIRE GY LVDS HOME FORWARD HOT AT ALL TIMES LOGIC LVDS NAVIGATION SYSTEM NCA WIRE OG COAX RADIO (BEHIND RIGHT END OF DASH) RADIO CONTROL RED/WHT WIRE RED/YEL WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK SOUND SYSTEMS (VIDEO SYSTEM CIRCUIT) VOLUME- WIFI XM RADIO ANTENNA

BLK WIRE BLK/BLU WIRE BLU/RED WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLK WIRE GRN/RED WIRE LEFT LEFT RADIO REAR SIDE DOOR SPEAKER LOGIC MUTE ORG/RED WIRE POLICE VEHICLE RIGHT RIGHT INSTRUMENT PANEL RADIO FRONT SPEAKER RIGHT RADIO FRONT SIDE DOOR SPEAKER SELECT STEERING WHEEL RADIO CONTROL SWITCH STEERING WHEEL RADIO FAVORITES SWITCH STEERING WHEEL RADIO VOLUME SWITCH VOICE VOL DOWN VOL UP YEL WIRE YEL/BLK WIRE

1 PU 2 PU AUDIO (-) CONTROL AUDIO SIGNAL BATTERY POS VOLT BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BLUETOOTH WIRELESS COMMUNICATION ANTENNA BN COAX BRN/BLU WIRE CAN BUS SERIAL DATA (-) 5 CELL CELL/GPS COAX COMPUTER DATA LINES SYSTEM GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT INSTRUMENT PANEL RADIO FRONT SPEAKER LEFT RADIO FRONT SIDE DOOR SPEAKER LOW REF MICROPHONE (-) LOW REF MICROPHONE SIGNAL MOBILE TELEPHONE MICROPHONE NCA WIRE POLICE VEHICLE RADIO (BEHIND RIGHT END OF DASH) RED/BLU WIRE RIGHT END OF DASH) RIGHT INSTRUMENT PANEL WIRING HARNESS JUNCTION BLOCK RIGHT RADIO REAR SIDE DOOR SPEAKER SIGNAL GND TELEMATICS CONTROL MODULE VT COAX WHT WIRE YEL WIRE YEL/BLK WIRE