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Door ajar light stay on and inside light - F-150 Ford Cars & Trucks

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  • Ford Master
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The interior lights are controlled by a combination of door switches and manual switches. There is usually a centralized controller that receives ground signals from switches in each door, when opened. If any of the switches sends a ground signal, the controller turns on the lights. Any given light may also have a manual switch that can turn the light on and perhaps off, though there are usually some lights that cannot be turned off without closing all doors. Many controllers incorporate a delay and perhaps also a dimmer to allow the light to continue for some time after the last door is closed.
The first thing to check when the lights are staying on is the instrument lights dimmer (if it is also used as an interior lights switch) or an interior lights switch that may have been turned on by accident.
If not that, the most likely cause is one of the door switches stuck on (closed). This can be caused by a failure of the switch or a consequence of the door lock being adjusted too loose. A good test for this is to have someone go around the car and push in on each door to see if one of them will turn the light off. Any door that can turn the light off when pushed must have it's lock adjusted in tighter. If this test doesn't fix it, check the individual switches. If you can locate the switches, pull them out of the car body. If the lights go out, the switch is bad. In case the switch has two wires rather than one, pulling the connector off the switch should have the same effect. Test each switch in this way. If you have all switches disabled and the lights are still on, the problem is likely to be either one of the switch wires grounding out to the car body or the interior lights control module shorted on.

Please let me know if you have any questions.

Posted on Nov 06, 2010

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Posted on Jan 02, 2017

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SOURCE: 95 ford windstar door ajar

These switches are inside the doors attached to the door latch assembles.If you know some one with a scan tool you can go into the body computer and see which one is showing open when all the doors are closed. The most likly one is the drivers side door or the two in the rear gate. I've replaced those the most.If you don't want to replace them you can unplug them and the lights will go off. Hope this helps. If you need more info let me know> Thanks Dan

Posted on Jul 15, 2008

  • 1 Answer

SOURCE: door ajar light stays on

I have the same problem with my passenger door all the time. The dealer was nice and didn't charge me for some advice. Find out which door it is or do this to all. It is the part on the door the grabs the round thing in the door jam. It looks like two fingers kinda. Spray with WD-40 and clean with a rag to get all the dirt out of there. Spray again and open and close the door several times. This clears my problem and I hope this helps you too.

Posted on Jul 30, 2008

fixincars
  • 335 Answers

SOURCE: Door ajar light

The sensor for the lights is in the door latch spray some GOOD penetrant in the door latch (WD 40 IS NOT A PENETRATING OIL!!!!!!!!!!!!!!!!!!) open and shut the door several times after you let the penetrant soak a bit Liquid wrench, PB Blaster, BG Penetrant, are good
I owned Ace Automotive for 14 years and came across this problem on ford windstars and aerostars all the time I posted the fix on my website Please visit
http://www.aceautomotive1.com It is in the BLOG or FAQ
Please email me with the results of this. fixincars@yahoo.com
Please rate this a fixya if you feel its helpful Thanks, Randy

Posted on Sep 12, 2008

  • 238 Answers

SOURCE: having trouble with door ajar dome light staying

There is a switch that connects to the door latch inside the door. They can get sticky or come loose causing your complaint. Usually it is the drivers door since that door gets used the most. The door panel has to come off to access the switch. Sometimes you can remove the dome light fuse to take care of the light and indicator until it gets repaired.

Posted on Jan 10, 2010

  • 108 Answers

SOURCE: door ajar light stays on

just spray the door latches with lubricant be sure the oil penetrates the internal machanism.

Posted on Jan 24, 2010

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