Question about 2005 Ford F-150

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Taillights go out when brakes applied

Also when signal light is on very rapid blinking

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  • eoelevin Dec 13, 2008

    will give it a try on monday will get back to you on results

    thanks for the very quick comeback



    thanks again

    Al

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  • 328 Answers

Sounds like a bad ground somewhere in the tail light system.......try removing one of the tail lights and if you jump the ground from somewhere on the body(preferably paint free) to the ground terminal on the back of the light pigtail (light socket) you should get proper operation.......another thought.......if you have trailer light wiring check to make sure its not corroded (green) Follow them under the box Some aftermarket wiring systems dont use weather proof plugs and they let the moisture in and cause bad connections.

Posted on Dec 13, 2008

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