It is the 30amp circut breaker on the right side of the fuse box under the steering column
fuse layout for under dash fuse box f250 super duty
what fuse goes to the tailights
We're is radio fuse
your local parts store or on the internet you can find a haynes or chilton shop manual that might help you.
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It is located on drivers side kick panel down by the fuse box under steering wheel area.
It is fuse #22, under the hood
Fuse number 37 under you dash.
Tail lights and brake lights fuse.
There should be one near the battery.
fuse boxs ford f150
Replace it with a new one.