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TSB Main Page
Publication Date: March 8, 2006

2003-2006 F-Super Duty

This article supersedes TSB 05-15-11 to update the illustrations.


Some 2003-2006 F-Super Duty vehicles used for towing may exhibit trailer lamps being inoperative or not working properly. This may be due to an open trailer tow fuse, a concern in the vehicle's wiring, a concern in the trailer's wiring, or the trailer not being wired properly for the vehicle.


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