2004 F-150 Taillights won't work


Asked by Nov 13, 2013 at 07:39 PM about the 2004 Ford F-150

Question type: Maintenance & Repair

I have a 2004 F-150 and taillights won't turn on when headlights are on.  I have changed the bulb ad checked the fuses.  Fuses are fine and replaced taillight bulbs and still taillights won't come on.  I took vehicle to mechanic and he could not find or fix the problem.  Thank you.

2 Answers


have you gotten under it and checked to make sure all the wiring connectors under the truck are connected? check to see if rodents have chewed on the wiring.


I haven't but the mechanic who checked it said all the wires look good to him and said he can't understand why they are not working.

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