Question about 2008 Ford F 250 Super Duty 4WD

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Tail lights on trailer not working f250

Lights on truck work, tow tail lights don't

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  • John Woodzick Dec 04, 2012

    Problem was a fuse in battery area fuse box....need fuse listing to find it, no longer listed in the owners manual, Sad.

  • John Woodzick Dec 04, 2012

    Answer by DW was a good start, Thanks

  • curtis chappel Mar 16, 2013

    try #5 fuse under hood 3rd fuse on driverside from firewall 20amp

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Check trailer running light fuse underhood

Posted on Mar 16, 2013

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2006 ford f -250 super duty my taillights dont work bulb looks good checked fuses both in the truck and under the hood all other lights are fine

Posted on Mar 04, 2013

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Did you check the trailer /tow fuse under hood in truck? located lfet side rear near firewall top. should be fuse for towing / trailer.DW Mylin

Posted on Dec 02, 2012

  • John Woodzick Dec 02, 2012

    No, I found the fuse box under the hood, no diagram to tell which fuse it is, diagram not in manual, so looking for a fuse number to check

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Posted on Jan 02, 2017

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SOURCE: lighting problem

Have you checked the fuses and dimmer switch? Check the trailers bulbs there is usually one bulb with two filaments for each light, one filament can burn out without causing the other to go. If the bulbs are good you should start at the trailer light connector ( use a test light or voltmeter to test for power at the trucks wire harness first to see if it's the truck or the trailer ) and work your way back to the lights. Clean the contacts on the connector, bulbs and bulb sockets (steel wool and or a can of aerosol electrical contact cleaner).

Posted on Feb 07, 2009

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SOURCE: my tail lights don't work

the tail lights are the same bulb but they use a different filament in the bulb.you may need to replace the bulbs.another possibility is there maybe a problem with the wiring for the tail lights between the socket and the area where the trailer wiring is connected to the truck wiring.try the bulbs first,you just have to try one first to see it it works or not then you will know what to do next.

Posted on Aug 09, 2011

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