Question about 2002 Ford F250 Super Duty SuperCab

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Door Locks I had to replace my batteries on my 250 diesel. Now the electronic door locks will not work. slight clicking sound when button pressed or remote pressed but doors will not lock.

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  • dlemmons Sep 06, 2008

    I have the same problem with the doors making an unlocking and locking sound and a clicking underneath the dash. I thought it might be a relay. I went to AutoZone and purchased a relay but cannot find where it goes. I read online that it might be located in the left "C" pillar. Where is the left "C" pillar. Thanks!


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Sounds like you have an electric lock actuator going bad. It only takes one and they all act up.The vehicle security module and the switches share the same ground. It is ground #900. Located on the left C pillar. Check to see if the ground is clean and tight. You can disconnect one actuator at a time. If you disconnect the bad one, the rest will function.Did you have any doors making a loud grinding noise when the locks were applied?if yes, start with that one. If no, start with the drivers door.The drivers lock actuator sees more work than the rest since it unlocks by itself on the first push of the remote.If this is something you do not want to do,try the find a repairman option at the bottom of the page. If you need more help,don't hesitate to drop a line.Good Luck

Posted on Sep 01, 2008

  • Tom Wolff
    Tom Wolff Mar 30, 2011

    AutoDoc ---- can you give a little more specific info on where ground #900 is on the C pillar and how to go about locating it. 3 of my doors never unlock/lock --- driver, rt front and rt rear --- lt rear will sometimes. Any more specifics you could give would be greatly appreciated. Thanks, Tom


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