GMC Sierra III facelift (2015-2018) w/ enhanced multi-color graphics Wiring diagrams

AUDIO AMPLIFIER (IF EQUIPPED) DK BLU WIRE DK BLU/YEL WIRE GRN WIRE GRN/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE INSTRUMENT CLUSTER LIN DATA BUS 12 LIN NETWORK BUS 8 LIN SER DATA BUS 3 LIN SER DATA BUS 8 LO SPD SER DATA 2 LOGIC LOGIC PASSENGER WINDOW SWITCH LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MEDIA DISC PLAYER MOST CTRL MOST SER DATA (+) MOST SER DATA (+) LO SPD SER DATA 2 OUTSIDE REAR VIEW MIRROR SWITCH RIGHT STEERING WHEEL CONTROLS SWITCH STEERING WHEEL AIR BAG COIL VIO/YEL WIRE W/ ENHANCED MULTI-COLOR GRAPHICS W/O ENHANCED MULTI COLOR GRAPHICS W/O ENHANCED MULTICOLOR STANDARD GRAPHICS, AUDIO SYSTEM W/O PREMIUM AUDIO SYSTEM, ENHANCED AUDIO SYSTEM WHT WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE WHT/VIO WIRE YEL WIRE

AUDIO AMPLIFIER (IF EQUIPPED) DK BLU WIRE DK BLU/YEL WIRE GRN WIRE GRN/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE INSTRUMENT CLUSTER LIN DATA BUS 12 LIN NETWORK BUS 8 LIN SER DATA BUS 3 LIN SER DATA BUS 8 LO SPD SER DATA 2 LOGIC LOGIC PASSENGER WINDOW SWITCH LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MEDIA DISC PLAYER MOST CTRL MOST SER DATA (+) MOST SER DATA (+) LO SPD SER DATA 2 OUTSIDE REAR VIEW MIRROR SWITCH RIGHT STEERING WHEEL CONTROLS SWITCH STEERING WHEEL AIR BAG COIL VIO/YEL WIRE W/ ENHANCED MULTI-COLOR GRAPHICS W/O ENHANCED MULTI COLOR GRAPHICS W/O ENHANCED MULTICOLOR STANDARD GRAPHICS, AUDIO SYSTEM W/O PREMIUM AUDIO SYSTEM, ENHANCED AUDIO SYSTEM WHT WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE WHT/VIO WIRE YEL WIRE

AUDIO AMPLIFIER (IF EQUIPPED) DK BLU WIRE DK BLU/YEL WIRE GRN WIRE GRN/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE INSTRUMENT CLUSTER LIN BUS 8 LO SPD DATA LO SPD SER DATA 2 LOC DATA BUS 12 LOGIC LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MEDIA DISC PLAYER MOST CTRL MOST SER DATA (+) MOST SER DATA (+) LO SPD SER DATA 2 MOST SER DATA (-) LOC DATA BUS 12 RIGHT STEERING WHEEL CONTROLS SWITCH SEAT MEMORY CONTROL MODULE STEERING WHEEL AIR BAG COIL VIO/YEL WIRE W/ AMPLIFIER W/ ENHANCED MULTI-COLOR GRAPHICS W/O AMPLIFIER W/O REAR SEAT ENTERTAINMENT PKG W/ REAR SEAT ENTERTAINMENT PKG WHT WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE WHT/VIO WIRE YEL WIRE

AUDIO AMPLIFIER (IF EQUIPPED) DK BLU WIRE DK BLU/YEL WIRE GRN WIRE GRN/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE INSTRUMENT CLUSTER LIN BUS 8 LO SPD DATA LO SPD SER DATA 2 LOC DATA BUS 12 LOGIC LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MEDIA DISC PLAYER MOST CTRL MOST SER DATA (+) MOST SER DATA (+) LO SPD SER DATA 2 MOST SER DATA (-) LOC DATA BUS 12 RIGHT STEERING WHEEL CONTROLS SWITCH SEAT MEMORY CONTROL MODULE STEERING WHEEL AIR BAG COIL VIO/YEL WIRE W/ AMPLIFIER W/ ENHANCED MULTI-COLOR GRAPHICS W/ MULTI COLOR DISPLAY W/O AMPLIFIER W/O MULTI COLOR DISPLAY WHT WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE WHT/VIO WIRE YEL WIRE