GMC Sierra III (2013-2015) computer computer data lines data lines system system Wiring diagrams

AUDIO SIG + BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN (OR BLK/GRY) WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE CAMERA SIGNAL 1 - CELL COAX COMMUNICATION ENABLE COMPUTER COMPUTER DATA LINES DATA LINES SYSTEM SYSTEM COMPUTER DATA LINES SYSTEM DIGITAL RADIO ANTENNA DK BLU (OR GRY/YEL) WIRE DK BLU WIRE DRAIN WIRE GMLAN SERIAL DATA - 1 GPS GPS/CELL GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT AMP FUSE HUMAN INTERFACE CONTROL MODULE (BEHIND GLOVE BOX) LOW REF LT GRN/WHT WIRE MICROPHONE SIG MICROPHONE/AUDIO MOST CONTROL MOST SERIAL DATA (+) NAVIGATION ANTENNA SIGNAL SPLITTER NAVIGATION DISPLAY SIG NAVIGATION SYSTEM NCA WIRE NETWORK BUS 5 RED WIRE RED/VIO WIRE RED/YEL WIRE SER DATA SIDE OF DASH) TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB USB 3 4 5 USB RECEPTACLE USB SRL DATA LOW REF VOICE SIG VT-1 VT-2 W/ ONSTAR W/ SPLITTER W/O SPLITTER W/O ONSTAR WHT WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

AUDIO SIG + BATT POS VOLT BLK WIRE BLK/BLU WIRE BLK/BRN (OR BLK/GRY) WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE CAMERA SIGNAL 1 - CELL COAX COMMUNICATION ENABLE COMPUTER COMPUTER DATA LINES DATA LINES SYSTEM SYSTEM COMPUTER DATA LINES SYSTEM DIGITAL RADIO ANTENNA DK BLU (OR GRY/YEL) WIRE DK BLU WIRE DRAIN WIRE GMLAN SERIAL DATA - 1 GPS GPS/CELL GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BLOCK (LOWER LEFT AMP FUSE HUMAN INTERFACE CONTROL MODULE (BEHIND GLOVE BOX) LOW REF LT GRN/WHT WIRE MICROPHONE SIG MICROPHONE/AUDIO MOST CONTROL MOST SERIAL DATA (+) NAVIGATION ANTENNA SIGNAL SPLITTER NAVIGATION DISPLAY SIG NAVIGATION SYSTEM NCA WIRE NETWORK BUS 5 RED WIRE RED/VIO WIRE RED/YEL WIRE SER DATA SIDE OF DASH) TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB USB 3 4 5 USB RECEPTACLE USB SRL DATA LOW REF VOICE SIG VT-1 VT-2 W/ ONSTAR W/ SPLITTER W/O SPLITTER W/O ONSTAR WHT WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

A/C COMPRESSOR CLUTCH RELAY AMBIENT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF RADIATOR SUPPORT) BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/LT GRN WIRE BLK/YEL WIRE BLU/BLK WIRE BRN/RED WIRE COMPUTER COMPUTER DATA LINES DATA LINES SYSTEM SYSTEM COMPUTER DATA LINES SYSTEM DATA DK BLU WIRE DK BLU/GRY WIRE DK BLU/WHT WIRE ECM A/C CLUTCH FUSE ENG FUSE ECM IGN IGN FUSE FUSE ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR (LEFT SIDE OF ENGINE) FUEL COMPOSITION SENSOR (BETWEEN FUEL TANK, ELECTRONIC BRAKE CONTROL MODULE) FUEL PRESSURE SENSOR FUEL PUMP DRIVER CONTROL MODULE (MOUNTED TO BRACKET ABOVE SPARE TIRE) GRY WIRE HOT AT ALL TIMES IGN 1 VOLT INJ A ODD FUSE INJ B EVEN FUSE INJ B INJ A ECM EVEN ODD FUSE FUSE FUSE LOW REF NCA WIRE OUT SIG PPL/LT GRN WIRE RED/BRN WIRE RED/LT GRN WIRE RED/VIO WIRE SER DATA SHIELD SNSR A FUSE SNSR B FUSE SPLY VOLT TCM/ ECM FUSE VIO/DK BLU WIRE VIO/LT GRN WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY AMBIENT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF RADIATOR SUPPORT) BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/YEL WIRE BRN/RED WIRE COMPUTER COMPUTER DATA LINES DATA LINES SYSTEM SYSTEM COMPUTER DATA LINES SYSTEM DATA DK BLU WIRE DK BLU/BLK WIRE DK BLU/GRY WIRE DK BLU/WHT WIRE ECM IGN FUSE ENG FUSE ECM ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR (ON TOP OF ENGINE) FUEL COMPOSITION SENSOR (BETWEEN FUEL TANK, ELECTRONIC BRAKE CONTROL MODULE) FUEL PRESSURE SENSOR FUEL PUMP DRIVER CONTROL MODULE (MOUNTED TO BRACKET ABOVE SPARE TIRE) GRY WIRE HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED IGN 1 VOLT INJ A ODD FUSE INJ B A/C CLUTCH FUSE EVEN IGN IGN FUSE FUSE FUSE INJ B INJ A ECM EVEN ODD FUSE FUSE FUSE LOW REF NCA WIRE ON BODY MOUNT FRAME POST) OUT SIG PPL/LT GRN WIRE RED/BRN WIRE RED/LT GRN WIRE RED/VIO WIRE SENSOR B FUSE SER DATA SHIELD SNSR A FUSE SPARK PLUG SPLY VOLT TCM/ ECM FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/DK BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE

A/C COMPRESSOR CLUTCH RELAY AMBIENT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF RADIATOR SUPPORT) BLK WIRE BLK/BRN WIRE BLK/DK BLU WIRE BLK/GRY WIRE BLK/LT GRN WIRE BLK/YEL WIRE BRN/RED WIRE COMPUTER COMPUTER DATA LINES DATA LINES SYSTEM SYSTEM COMPUTER DATA LINES SYSTEM DATA DK BLU WIRE DK BLU/BLK WIRE DK BLU/GRY WIRE DK BLU/WHT WIRE ECM IGN FUSE ENG FUSE ECM ENGINE CONTROLS IGNITION RELAY ENGINE COOLANT TEMPERATURE SENSOR (ON TOP OF ENGINE) FUEL COMPOSITION SENSOR (BETWEEN FUEL TANK, ELECTRONIC BRAKE CONTROL MODULE) FUEL PRESSURE SENSOR FUEL PUMP DRIVER CONTROL MODULE (MOUNTED TO BRACKET ABOVE SPARE TIRE) GRY WIRE HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED IGN 1 VOLT INJ A ODD FUSE INJ B A/C CLUTCH FUSE EVEN IGN IGN FUSE FUSE FUSE INJ B INJ A ECM EVEN ODD FUSE FUSE FUSE LOW REF NCA WIRE ON BODY MOUNT FRAME POST) OUT SIG PPL/LT GRN WIRE RED/BRN WIRE RED/LT GRN WIRE RED/VIO WIRE SENSOR B FUSE SER DATA SHIELD SNSR A FUSE SPARK PLUG SPLY VOLT TCM/ ECM FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/DK BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/RED WIRE YEL WIRE YEL/WHT WIRE