Diesel Bed
Diesel Bed

what fuse do i need to change to get my trailer lights to work?!? FORD DIESEL?
Got an 03 F250 Diesel.....I've checked for power with a voltometer at the trailer hookup in the bed of the truck, its a 6 round hookup, nothing. the fuse box under the hood has 4 relays and 3 small fuse ports, 1 of which is empty......ive checked the fuses under the dash and they all work now that ive replaced them. I still have no power going to the trailer hookup on the truck.....
The first thing you need to do is get a test light and check for power at the wiring harness...
If you have power, your problem will be a bad ground...
Take a wire and connect it to a good ground on the truck and a bullet connector(male end) on the other end of the wire,
Take another wire and connect it to a good ground on the trailer and a bullet connector (female) on the other end of the wire...
Connect the two bullet connectors, and turn the power back on and the lights should be working...
If you had no power to begin with, just run a power wire off the harness under the rear end and connect to the trailer harness.
This is something that should take 15 minutes to do.
Good Luck...
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