I stopped for a couple hours the other night 0 degrees truck running no lights on. going to take off put the headlight switch on no headlights or signal lights on the hood.Looked at fuse diagram couldn't find anything for headlights looked at connections I could see flipped light switch on off 20 times nothing Was going back to bed they come on They never flickered or anything the rest of the night. remember I didn't have any signal lights ether?