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Electrical Problem on 2004 F150?

Discussion in 'Trucks and Trailers' started by tsh1773, Feb 18, 2008.

  1. tsh1773

    tsh1773 LawnSite Senior Member
    Messages: 319

    Started out as an intermitten problem but over the weekend became constant. When I turn on the AC or heat, the flasher and bright light bulbs come on and stay on. Also cannot take out of park when this happens. This also happens with the lights on and ac/heat off. With lights and heat or ac on, the flasher and bright light bulbs come on and stay on and are much brighter than before. Any ideas? I just bought it in August and it's at the dealership now being looked at. Hopefully, whatever it is, it's covered under the warranty...

    STONE SCAPES LawnSite Member
    Messages: 145

    had problem with a 97 got traced back to a poorly installed windshield. ended up stuck in 4 wheel low. Took to dealer $600.00 later it was fixed
  3. AI Inc

    AI Inc LawnSite Fanatic
    Messages: 26,606

    I had the same thing on a 00 350 , windshiled was leaking , moisture got into the fusebox and caused havoc
  4. mike lane lawn care

    mike lane lawn care LawnSite Bronze Member
    Messages: 1,707

    i had something similar on my GMC, it was the trailer package grounding out. removed trailer fuses, and the problem went away. the next day i re did my trailer wirring for the entire vehicle and haven't had a problem since.

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