Cadillac CT6 I facelift (2018-2023) Horn circuit

3.6L 4.2L BATTERY FUSE BLOCK BLK WIRE BODY CONTROL MODULE BRN/GRY WIRE BRN/WHT WIRE GRN/WHT WIRE HORN ASSEMBLY HORN RELAY HORN RLY CTRL HORN SW SIG HORN SWITCH HOT AT ALL TIMES NCA WIRE RED WIRE RIGHT UNDERHOOD FUSE BLOCK STEERING WHEEL AIR BAG COIL UNDERHOOD AUXILIARY FUSE BLOCK UNDERHOOD FUSE BLOCK