KABOOM! when hitting headlights.....

Well, if that's not reason enough to put headlights on a relay, I don't know what is.
Both times it happened to me, it was a much more obvious cause and effect.

See the broken lead?
View attachment 1715959850

The result:
View attachment 1715959857

Nice!!! :lol: I did that once... It wasn't quite like yours, I shut the ignition off intentionally attempting to create a backfire... But left the ignition off just a little to long... :rofl: