GMC Sierra III facelift (2015-2018) cellular microphone Wiring diagrams

1-VT 2-VT AUDIO SIG + BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE CAMERA SIGNAL 2 CELL CELLULAR MICROPHONE CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA (+) 9 GPS GPS SIG GPS/CELL GRY/VIO WIRE GRY/YEL WIRE HUMAN MACHINE INTERFACE CONTROL MODULE (BEHIND GLOVE BOX) INFOTAINMENT DISPLAY SIG INSTRUMENT PANEL JUNCTION BLOCK LOGIC LOW REF LT GRN/WHT WIRE LVDS MICROPHONE SIG MOST CONTROL MOST SERIAL DATA (+) NAVIGATION ANTENNA SIGNAL SPLITTER NCA WIRE NETWORK BUS 5 RED WIRE RED/VIO WIRE SER DATA (+) 9 TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB USB GY USB RECEPTACLE USB SRL DATA VOICE SIG W/ DIGITAL AUDIO SYSTEM W/O REAR SEAT ENTERTAINMENT W/ REAR SEAT ENTERTAINMENT WHT/BLU WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/LT GRN WIRE WHT/VIO WIRE X-BK YEL WIRE

1-VT 2-VT AUDIO SIG + BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE CAMERA SIGNAL 2 CELL CELLULAR MICROPHONE CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COMMUNICATION ENABLE COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA (+) 9 GPS GPS SIG GPS/CELL GRY/VIO WIRE GRY/YEL WIRE HUMAN MACHINE INTERFACE CONTROL MODULE (BEHIND GLOVE BOX) INFOTAINMENT DISPLAY SIG INSTRUMENT PANEL JUNCTION BLOCK LOGIC LOW REF LT GRN/WHT WIRE LVDS MICROPHONE SIG MOST CONTROL MOST SERIAL DATA (+) NAVIGATION ANTENNA SIGNAL SPLITTER NCA WIRE NETWORK BUS 5 RED WIRE RED/VIO WIRE SER DATA (+) 9 TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB USB GY USB RECEPTACLE USB SRL DATA VOICE SIG W/ DIGITAL AUDIO SYSTEM W/O REAR SEAT ENTERTAINMENT W/ REAR SEAT ENTERTAINMENT WHT/BLU WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/LT GRN WIRE WHT/VIO WIRE X-BK YEL WIRE