Cadillac CTS II (2007-2014) Horn circuit

BLK WIRE BODY CONTROL MODULE (BCM) (CENTER OF DASH, DK GRN WIRE HIGH NOTE HORN HORN ASSEMBLY (LEFT FRONT OF ENGINE COMPT) HORN FUSE HORN RELAY HORN RELAY CTRL HORN SWITCH HOT AT ALL TIMES INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (TOP OF STEERING COLUMN) LEFT FRONT STRUT TOWER) LOW NOTE HORN TAN WIRE UNDERHOOD FUSE BLOCK (RIGHT FRONT OF ENGINE COMPT)