Cadillac SRX I (2003-2009) Horn circuit

BLK WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH) GRN WIRE HIGH NOTE HORN HORN ASSEMBLY (BELOW LEFT HEADLIGHT ASSEMBLY) HORN FUSE HORN RELAY HORN RELAY CTRL HORN RESTRAINT SWITCH STEERING WHEEL MODULE (AT CENTER OF STEERING WHEEL) HOT AT ALL TIMES INFLATABLE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) LOW NOTE HORN LT GRN WIRE NCA WIRE OF ENGINE COMPT) TAN WIRE UNDERHOOD FUSE BLOCK (AT RIGHT FRONT