Where is the cigarette lighter fuse on a ford f550?

The cigarette lighter fuse on a Ford F-550 is typically located in the fuse box, which is usually found under the dashboard on the driver's side or in the engine compartment. You can identify the specific fuse for the cigarette lighter by referring to the fuse diagram, usually found on the inside cover of the fuse box or in the owner's manual. It's usually labeled as "Cigar" or "Power Outlet." Make sure to check and replace it with a fuse of the same amperage if it's blown.