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Repair guides and support for the Expedition, a full-size SUV based on Ford's F-150 pickup truck. Closely related to the Lincoln Navigator.

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Anti-theft light blinking and won't start

I have a 1997 Ford Expedition I had a key for it with the security chip in it lost a chip now security light blinking. Got to transponder keys made and program to the truck and took it to the Ford dealership they couldn't do it. I took the fuse out of it and it still won't start. What else can I do to get it started. Any advice and answers will help thank you

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1, Try turning the key and moving the shift from park to drive and back. Then try starting it again!

2. Try your spare key in case the chip has failed in your primary key.

3. If you get it started, go to an Auto Zone and get a computer read out to see if it will tell you what the issue is.

UPDATE 6/20/29

Use the trunk to first lock the driver door then unlock it.

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