Car Wiring Diagrams for Radio circuit, mid level for GMC Sierra III facelift (2015-2018)

AUDIO LOW REF AUDIO SIG + BATT POS VOLT BK COAX AM/FM ANTENNA SIG BK COAX XM/HD BK LVDS INFOTAINMENT DISPLAY SIG BK USB USB SERIAL DATA BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/LT GRN WIRE CAMERA SIG 2 CELLULAR PHONE MICROPHONE COAX COMM SIG COMPUTER DATA LINES SYSTEM DET SIG DIGITAL RADIO ANTENNA DIM SIG DISPLAY RESET SIG DOWN SIG DOWN UP GMLAN SERIAL DATA GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INFOTMNT FUSE LCD DIMMING SIG LF SPEAKER (-) CTRL 1 LH RR SPEAKER CTRL (+) LH RR SPEAKER SIG (-) LT AUD SIG 2 LVDS NAVIGATION SYSTEM NCA WIRE ON SIG RADIO RADIO ANTENNA RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RED WIRE RED/VIO WIRE REQUEST SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RH RR SPEAKER (+) CTRL RH RR SPEAKER SIG (-) RIGHT INSTRUMENT PANEL FUSE BLOCK RT AUD SIG 2 SCREEN 2 SWITCH SIG 2 USB USB/ OBS DET FUSE VIO WIRE VIO/GRY WIRE VOICE LOW VOICE SIG W/ ONSTAR W/O ONSTAR WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

AUXILIARY AUDIO INPUT BACK SIG BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/LT GRN WIRE BUS 12 COMPUTER DATA LINES SYSTEM DIMMING CTRL DOWN DOWN SIG FORWARD SIG GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LOGIC LT BLU WIRE LT GRN WIRE LVDS MUTE NCA WIRE NETWORK RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT STEERING WHEEL CONTROLS SWITCH SEATS SYSTEM SEEK DOWN SEEK UP SELECT STR WHL CNTRL FUSE UP SIG USB VIO WIRE VIO/GRY WIRE VOICE W/ FRONT COMPARTMENT FLOOR CUSTOM CONSOLE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

AUDIO SIG + BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/LT GRN WIRE COMPUTER DATA LINES SYSTEM DIM SWITCH SIG DISPLAY SIGNAL (-) DOWN SIGNAL GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/YEL WIRE INFO DISPLAY MODULE KEYPAD CONTROL LCD DIMMING SIGNAL LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR TRIM PANEL SPEAKER LOW REF LVDS MICROPHONE SIG RADIO CONTROLS RADIO ON SIGNAL REGULATED CONTROL REQUEST SIGNAL RESET SIGNAL RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR TRIM PANEL DOOR SPEAKER SER DATA (+) 9 SWITCH DIM SIGNAL SWITCH SIGNAL 2 TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE UP SIGNAL VIO/GRY WIRE VOICE LOW REF VOICE SIGNAL W/ ENHANCED AUDIO SPEAKER SYSTEM WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE