Question about Mercury Cougar

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Sometimes my door ajar light stays on in the active check module and wont go offand last month i installed left and right new door switches

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Hi,

Have you used a scan tool to see which door is showing ajar when all are closed?

The only problem is there are 4 more sensors on the passenger and rear and liftgate doors. A scan tool would tell you which door is the concern. W/O it you will have to keep guessing. Sometimes soaking each latch down with wd40 will free up a stuck switch showing ajar when closed.

I would advise you to take the car to the Dealer. If you want to purchase the tool, You will need a IDS or NGS or WDS or a sophisticated aftermarket scan tool. The price for these start at about 500$.

In these Models, there are certain issue's with Modulator. But, again, i do not want you to guess as it is usually a more than an hour DIY and needs tools to perform this. The only user Fixable option i to change Door Switches which you already done!!

Let me know, if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Nov 13, 2009

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info
When at least one door is ajar and the key is in the RUN position, the door ajar cluster lamp is activated and remains on until all doors are closed. A warning tone will sound once any time the key is in the ignition switch and any door is open.
-----------------------------------
Visual Inspection Chart Mechanical Electrical
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  • Power distribution box fuse 6 (60A).
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------------------------------------------------------------
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-------------------------------------------------------------
remove the door trim panel to access the door ajar switch.

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Remove the door open warning switch by turning it counterclockwise.
----------------------------------------------------------------------------
Trim Panel —Front Door Removal
  1. Remove the screw cover.
  1. Remove the screws.
  1. Remove the front door trim panel (23942) from the door.
  1. Disconnect the electrical connectors and remove the front door trim panel.
Installation
  1. Follow the removal procedure in reverse order.

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