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  1. #1
    FEP Power Member fgross2006's Avatar
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    Sep 2014
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    Freeport NY
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    Default electric problems after heater core replacement 98 F150

    I pulled the dash and replaced the heater core in my 98 F150 last week.

    Apparently I got some wire harnesses crossed putting it back together.

    Cigarette lighter is dead
    interior light doesn't come on when opening the doors
    when the door is opened the bong bong bong sound comes on that is supposed to come on when the headlights are left on.

    Does anyone have a diagram of the wiring for these items so I don't have to pull it half apart again.

  2. #2

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    Most of those plugs can only plug in one way. sounds more like you may have missed a few grounds when putting things back together. there are a bunch of them!!! When I did mine last winter I got the airbag plugs for the passenger side airbag stuck under a bracket or something. I said to hell with it...There's no way I was pulling the dash that far apart for that...

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