GMC Sierra III facelift (2015-2018) audio low ref Wiring diagram

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