Question about 2005 Ford F-150

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2005 f150 "Door Ajar Light Always On.. Even with all doors shut..

2005 F150...."DOOR AJAR" Light Always On... Even with all doors shut...
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Drivers Side Door Buzzer working normal... only sounds when door is open with key in the ignition..

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so far i have soaked both door latches with wd40 & lithium grease...i mean really soaked them and worked the latches also...with no luck... door ajar light still stays on....
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The driver side & passenger side door ajar switches have been replaced.... still no luck... door ajar light still stays on with both doors shut....
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Would really like to solve this if anybody knows what the next step would be...




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  • dahnabrad Feb 25, 2009

    how would sultion #1 help this problem..?

  • Anonymous Mar 21, 2014

    driver side extra door will not open

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  • Ford Master
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What happens when you remove both switches, and wires? What happens when you use a jumper wire acros both wires, on both doors?

Posted on Feb 25, 2009

  • Mike Butler
    Mike Butler Feb 26, 2009

    Trying to isolate problem area, and make sure one of new switches isn't the problem. With electrical parts, a new defective one is certainly not uncommon. A jumper wire will do same as switch. If you have a continuity tester, that would be easier, or have you already done that?

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