just a quick shot in the dark. Did you activate/use your horn during your ride? If so, is it an aftermarket horn? does it have a relay in the circuit?
Reason I asked- I installed a stebel air horn (Nautilus) without adding the relay and everything worked fine for a while, until the horn stopped working. When it did, it took the cruise control, rear brake light, and rear turn signals with it, (apparently, they all are on the same circuit). Took it to a local shop and they replaced the acc fuse! Paid $50.00, (half hour labor) for a .50 part, and was told that the horn overloaded the circuit and needed to have a relay installed inline for the horn!
Lesson learned- when adding components that come with a relay- there's a reason for the relay!
Check your horn to see if it works.
Life is too short to put up with stupidity. Strive every day to educate someone, including yourself!