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

AUX AUDIO COMM SIG AUX AUDIO SCREEN (2) AUX DETECTION SIG AUXILIARY AUDIO INPUT BK AM/FM ANT SIG BLK WIRE BLK/YEL WIRE BLU WIRE BLU/GRN WIRE CAMERA SIG 2 COAX COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA GRN WIRE GROUND GRY WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE GY LVDS DISPLAY SIG HOT AT ALL TIMES LH AUX AUDIO SIG (2) LOGIC LOW REF LT BLU WIRE LT GRN WIRE LT GRN/DK BLU WIRE LVDS MEDIA DISC PLAYER (W/O REAR SEAT ENTERTAINMENT) MOST CONTROL MOST SERIAL DATA (+) NAVIGATION SYSTEM NCA WIRE NETWORK BUS 10 POSITIVE VOLTAGE RADIO RADIO ANTENNA RDO FUSE RED/VIO WIRE RH AUX AUDIO SIG (2) RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TELEPHONE VOICE SIG USB USB GY USB USB SERIAL DATA USB/OBS DET FUSE VIO WIRE VOICE SIG WHT/BLU WIRE WHT/GRN WIRE WHT/LT GRN WIRE WHT/VIO WIRE YEL WIRE

BACK SIG BASE EQUIPMENT BAT POS VOLT BATT POS BLK WIRE BLU WIRE BUS 10 BUS 12 BUS 5 CIRCUIT COMPUTER DATA LINES SYSTEM CTRL DATA DIMMING DISPLAY DISPLAY SIG + DOWN SIG EXCEPT BASE EQUIPMENT FWD SIG GMLAN SERIAL GRN/BLK WIRE GRN/BRN WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY/GRN WIRE HOT AT ALL TIMES ILL INFO DISPLAY MODULE INSTRUMENT PANEL JUNCTION BLOCK IPC FUSE LEFT INSTRUMENT PANEL FUSE BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LT GRN/DK BLU WIRE LT GRN/WHT WIRE LVDS MUTE VOL + NETWORK RADIO CONTROLS RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT STEERING WHEEL CONTROLS SWITCH SEATS SYSTEM SEEK SOURCE DOWN SEEK UP STEERING WHEEL AIR BAG COIL STR WHL CNTRL FUSE UP SIG VIDEO SYSTEM VOICE VOL (-) VOLT W/ FRONT COMPARTMENT FLOOR CUSTOM CONSOLE W/ REAR VIEW CAMERA W/O REAR VIEW CAMERA WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BRN/BLU WIRE GRN WIRE GRN/BLK WIRE LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR TRIM PANEL SPEAKER LF SPEAKER (+) (1) LF SPEAKER (-) (1) BATT POSITIVE VOLT LR SPEAKER (+) RADIO RED/VIO WIRE RF SPEAKER (+) (1) RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR TRIM PANEL SPEAKER RR SPEAKER (+) W/ ENHANCED AUDIO SPEAKER SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE