Question about 2008 Ford F 250 Super Duty 4WD

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2008 Ford F-250 Low beams do not work. High beams are fine.

I installed a plow on my new truck and wired in a relay backwards. The headlights worked at first but now I only have high beams. I corrected the relay wiring goof and still have only high beams. I checked both low beam fuses and they are fine. Is there a fusible link or something else ie. circuit breaker etc. that could be causing the low beams not to work. I know the bulbs are fine.

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  • Anonymous Mar 19, 2014

    The right high beam has stopped working. how do I correct this problem? I realise it has to be a grounding problem because when I run a wire from the base of the bulb housing to the body of the car it works. What do you suggest?

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Just remove all the connections as it could be malfunction in the switches and the wirings needs to be rechecked to make it proper.other option could be bad dimmer switch. You will need to replace the turn signal/ dimmer switch as an assembly.to replace you will need to disable the air bag, drop the column, pull the wheel

Posted on Jan 10, 2009

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When you fixed the wiring problem... did you replace the relay... if not ... replace it... also are your daytime running lights working ?

Posted on Jan 10, 2009

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It could be Bad dimmer switch .just check out the switch.

Posted on Jan 10, 2009

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