2011 Ford F-350 Super Duty "bad ground headlight" Questions

...radio is a completely differant curcuit. So if the lights make radio go out, There has to be a short or bad wire in the headlight curcuit. Check headlight grounds and clean them good if bad.

...bad ground. If you get good ground on terminal 1, reinstall the relay, turn on the low beams and test for power in the headlight sockets. If you get battery voltage, that confirms you've got good ...

...bad ground at headlight Bad headlight ground. Low voltage overall if the alternator is failing. Get someone with a test meter and check the battery voltage switched off and then with the engine ...

problem Probably a bad ground or bad connection on the headlight that's dim. Try wiggling the wires on the bulb connection if that's not the problem/ Try and find where that headlight gets it's ground

...bad ground wire. Defiantly sounds like a bad ground. GM tends to put headlight ground post on the radiator support. A quick fix would be to make a new post and tap it into the wire that goes to the ...

...bad ground (broken wire, rust) or a bad headlight switch. The brake light circuit goes from the stop switch (Located up above the brake pedal) through the headlight switch, through the light bulbs to ...

have no less then 13 volts, if that checks good, check for bad ground at headlights, or find ground wire at headlight elec. plug (back of headlight), add wire to ground wire and bolt it to body ground

bad ground wire, and or a burned out light bulb. Check your bulbs and the ground wires for each one. A big help will be a separate "test" ground wire to use for each. The two most common reasons for a

bad ground on that side. Check the black wire running from the headlight and try following it back to where it grounds. Or you can run a ground wire direct to the headlight and make sure you ground it

...bad ground. Follow the ground wire from each of your headlights and look for a break or a bad connection at the ground screw. I'm guessing the ground screw(s) is near the headlights on the radiator ...