Question about 2004 Ford F150
The back-up lights do not work when backing up. the trailer running lights are also dead. Brakes and flashers work fine in both situations.
2 fuses to check, both in the cab on 04+ MY F150s
These are for the truck's reverse lamps. If the fuses are good, did you check the bulb socket with a meter, or replace the bulbs?
The trailer parking lamps use Fuse F10, and the trailer tow parking lamp relay. Might want to check both of those, and check both the 4 pin and 7 pin adapter, could be a corroded socket.
Posted on Feb 18, 2009
My 2004 f150 has the factory tow package. It has a fuse for the trailer running lights seperate from the truck running light fuse.
Check, you may have the same set up...
Posted on Aug 27, 2008
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