Just got back from an uneventfull trip to Myrtle Beach. Any time we make it there and back without breaking down, its a good trip. Had a weird issue on the way there. On I 79 in W VA, when I would ...
May not be a short, but likely could be a loose connection, or corrosion in a connector. Your best bet is to find a wiring diagram, and try to determine what all the affected components or systems have in common. ie: Doubtful it would be an ignition switch, as headlamps are powered all the time.