Lane departure warning circuit for GMC Sierra III (2013-2015)

1 2 3 IGN 1 VOLT ALERT LED CTRL DIMMING CTRL ALERT LED CTRL GMLAN SERIAL DATA BATT POS VOLT BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) COLLISION ALERT INDICATORS COMPUTER DATA LINES SYSTEM DK BLU WIRE FRONTVIEW CAMERA MODULE (BEHIND INSIDE REARVIEW MIRROR) FUSE BLOCK (LOWER LEFT SIDE OF DASH) GAP UP/DOWN SWITCH GROUND GRY/GRN WIRE GRY/ORG WIRE GRY/WHT WIRE GRY/YEL WIRE HI SPD GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IND DIMMING CTRL INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH IPC IGN/SDM IGN FUSE LANE DEPARTURE WARNING DISABLE SW SIG LANE DEPARTURE WARNING DISABLE SWITCH LANE DEPARTURE WARNING IND LANE DEPARTURE WARNING IND CTRL LEFT STEERING WHEEL CONTROLS SWITCH LO SPD GMLAN SERIAL DATA LOGIC INSTRUMENT CLUSTER LT GRN WIRE RED/LT GRN WIRE REFLECTED LED DISPLAY DIMMING CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK (IN RIGHT END OF DASH) STEERING WHEEL AIR BAG COIL UP/DOWN SW SIG USB/OBS DET FUSE VIO/BLK WIRE VOLT REF WHT WIRE WHT/LT GRN WIRE