GMC Sierra III facelift (2015-2018) 6.6l vin y, computer data lines circuit

ACC WAKEUP SER DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) DATA LINK CONNECTOR DK BLU WIRE DK BLU/YEL WIRE DLC/ DSM FUSE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND DISTRIBUTION SYSTEM HI SPD SER DATA (-) 1 HI SPD SER DATA (-) 1 LIN SER DATA BUS 1 HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LEFT INSTRUMENT PANEL FUSE BLOCK LIN NETWORK BUS 5 LIN SER DATA BUS 11 LIN SER DATA BUS 2 LIN SER DATA BUS 3 LIN SER DATA BUS 4 LO SPD SER DATA LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/GRY WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE PEPS/ HVAC FUSE POWER DISTRIBUTION SYSTEM RED/VIO WIRE RED/WHT WIRE SER DATA COMM ENABLE VIO/YEL WIRE WHT WIRE WHT/DK BLU WIRE

DK BLU WIRE DK BLU/YEL WIRE DRIVER SEAT HEATING, COOLING SWITCH DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE IMMOBILIZER CONTROL MODULE (NEAR IGNITION CYLINDER) LEFT REAR WINDOW SWITCH LIN BUS 11 LIN BUS 3 LIN BUS 4 LIN BUS 5 LIN BUS 8 LIN DATA BUS 2 LOGIC LT GRN WIRE LT GRN/GRY WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE OUTSIDE REAR VIEW MIRROR SWITCH PASSENGER SEAT HEATING, COOLING SWITCH PASSENGER WINDOW SWITCH RED/VIO WIRE RIGHT REAR WINDOW SWITCH SEAT HEATING CONTROL MODULE VIO/YEL WIRE WHT WIRE WHT/DK BLU WIRE

1 3 (+) BATT POS VOLT BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE COMM ENABLE DATA (-) 8 DATA 1 (+) DATA 2 (+) DATA 9 (+) DK BLU WIRE DK BLU/YEL WIRE GRN WIRE GRN/BRN WIRE GRY WIRE GRY/GRN WIRE HI DATA (+) 9 HI DATA (-) 8 HI SPD SER HIGH SPEED EXTENSION BUS 1 TERMINATING RESISTOR HIGH SPEED EXTENSION BUS 2 TERMINATING RESISTOR LO SPD DATA LO SPD DATA 2 LOW SPD DATA LT GRN WIRE LT GRN/WHT WIRE RED/VIO WIRE SIG GND TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE VIO/YEL WIRE W/ LANE ASSIST W/O LANE ASSIST W/O W/ ONSTAR ONSTAR WHT WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WINDSHIELD FRONT VIEW CAMERA

BLU/GRN WIRE BRN WIRE CONTENT THEFT DETERRENT SENSOR MODULE DATA BUS 1 DK BLU WIRE DK BLU/YEL WIRE GMLAN SER DATA (+) 9 COMM ENABLE GMLAN SER DATA (-) 9 GRN WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/VIO WIRE HUMAN MACHINE INTERFACE CONTROL BYPASS MODULE HUMAN MACHINE INTERFACE CONTROL MODULE (BEHIND GLOVE BOX) HVAC CONTROL MODULE LIN DATA BUS 10 LO SPD DATA LO SPD DATA 2 LO SPD SER DATA 2 LOC BUS 9 LOC DATA BUS 10 LOC DATA BUS 5 LOC DATA BUS 9 LOC NET SER LOGIC INFO DISPLAY MODULE LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE MOST CTRL MOST SER DATA (+) RADIO VIO/YEL WIRE W/ REAR VIEW VISION WHT WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/LT GRN WIRE WHT/VIO 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

ASSIST STEP CONTROL MODULE BASE EQUIPMENT EXCEPT BASE EQUIPMENT W/ POWER RETRACTABLE POWER RUNNING BOARD BLU/YEL WIRE DK BLU WIRE DK BLU/YEL WIRE GRN WIRE HI SPD SER DATA (-) 2 INSTRUMENT PANEL JUNCTION BLOCK LO SPD SER DATA LT GRN WIRE PARKING ASSIST CONTROL MODULE PASSENGER PRESENCE MODULE (IF EQUIPPED) STEERING WHEEL ANGLE SENSOR VIO/YEL WIRE WHT WIRE WHT/DK BLU WIRE

COMM ENABLE DK BLU WIRE DK BLU/YEL WIRE GRN WIRE HI SPD SER DATA (+) 2 COMM ENABLE HI SPD SER DATA (-) 1 HI SPD SER DATA (-) 1 ACC WAKEUP DATA HI SPD SER DATA (-) 2 HI SPD SER DATA (-) 2 LO SPD SER DATA INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LT GRN WIRE VIO/YEL WIRE W/ VARIABLE ASSIST POWER STEERING W/O VARIABLE ASSIST POWER STEERING WHT WIRE WHT/DK BLU WIRE

ACC WAKEUP DATA AUXILIARY CHASSIS CONTROL MODULE BLU/BRN WIRE COMM ENABLE DK BLU WIRE DK BLU/YEL WIRE ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE EXCEPT BASE EQUIPMENT EXHAUST PARTICULATE MATTER SENSOR FUEL PUMP DRIVER CONTROL MODULE GLOW PLUG CONTROL MODULE (RIGHT FRONT SIDE OF ENGINE) GRN WIRE HI DATA (+) 1 HI SPD SER DATA (+) 7 HI SPD SER DATA (-) 1 HI SPD SER DATA (-) 1 ACC WAKEUP DATA HI SPD SER DATA (-) 1 ACC WAKEUP SER DATA HI SPD SER DATA (-) 1 COMM ENABLE HI SPD SER DATA (-) 2 HIGH SPEED BUS TERMINATING RESISTOR INSTRUMENT PANEL JUNCTION BLOCK LT GRN WIRE NITROGEN OXIDES SENSOR 1 NITROGEN OXIDES SENSOR 2 POWER TAKE-OFF CONTROL MODULE REDUCTANT CONTROL MODULE TAN WIRE TAN/BLK WIRE TOP OF ENGINE) TRANSMISSION CONTROL MODULE TURBOCHARGER VANE POSITION ACTUATOR VIO/YEL WIRE WHT WIRE WHT/DK BLU WIRE