Question about 1986 Ford F150 SuperCab

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Interior lights stay on . 1997 mountaineer - 1986 Ford F150 SuperCab

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Can be due to any one of the door switches having a short or leak, or if the car has a time delay off , the electronic unit hs failed.
you will have to remove one by one all the leads to confirm the door switches and if the ligh stays then the delay off is short., possible the driver transistor within is short,.

Posted on Sep 27, 2010

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Posted on Jan 02, 2017

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SOURCE: 2006 mercury mountaineer interior lights will not shut off

There is some problem with the door switch(s) which should turn the lights off when the door is closed. Look closely at the switch and make sure that the proper contact is being made within the switch. There could be corrosion.

Posted on Oct 11, 2009

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