GMC Sierra III (2013-2015) Pass-key circuit

24 25 GMLAN SERIAL DATA (-) GMLAN SERIAL DATA (+) 2500 2501 COMPUTER DATA LINES SYSTEM 3 2 1 IMMOBILIZER SPLY VOLT LIN BUS 11 IMMOBILIZER RETURN ANTENNA BATT POSITIVE VOLT BCM 3 FUSE BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY DK BLU WIRE GRN/GRY WIRE GRN/VIO WIRE GRY/BLK WIRE HOOD AJAR SW SIG HOT AT ALL TIMES INSTRUMENT PANEL LEFT FUSE BLOCK (LOWER LEFT SIDE OF DASH) IMMOBILIZER CONTROL MODULE (NEAR IGNITION CYLINDER) INSTRUMENT CLUSTER LIN BUS 11 LO SPD GMLAN SERIAL DATA LOGIC LT GRN WIRE RED/GRY WIRE RETURN SECURITY LOGIC INDICATOR SPLY VOLT WHT WIRE