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How do I reset anti theft on à 2005ford explorer

Taking battery loose and letting it sit and outing it back on

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Refit battery then turn off the alarm ,then disconnect battery the wait a minute then refit battery and it shoiuld start

Posted on Dec 06, 2014


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Posted on Jan 02, 2017


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2003 Buick won't start. I put a trailer wire package in and it blew a fuse. Ended up taking out the wiring and put it all back as it was. Still won't start. Odometer says error.

You disconnected the battery, and didn't properly reset the anti-theft system. Also, some Body Control Modules need to be programmed with the VIN Number of the vehicle as it is part of the immobilizer system.

Tip & How-To about Cars & Trucks

Resetting a Vehicle Anti-Theft System This is how you reset an anti theft system if you have the anti-theft light on, or your car is cranking, but you have no spark.

Doing a full reset of the anti-theft system.

Disconnect both battery leads for at least two hours.
Hold the negative and positive leads together for 5 minutes to fully discharge any power.
Put the key in the ignition, but not turned on. VERY IMPORTANT!
Connect the positive lead.
Connect the negative lead in one swift movement.
Wait 15 minutes for the system to fully reset.
Posted by Andrew... on Jan 14, 2018

Apr 08, 2018 | Buick Cars & Trucks

1 Answer

How to reset anti theft on 2008 explorer fuel and starter will not kick on

I have a thought. , try disconnecting the battery Both Sides Tap Them together Let The Cables Sit for about a half hour. then reconnect go to drivers door open car close door stick key in the ignition let sit for 10 minutes or until security light goes out !! Then see if that doesn't reset the anti theft system. It might just be that the chip in your key isn't bad. It's worth a shot. Otherwise How about ( More Info ) (do you have remotes ? 2 keys etc) So we can give you the proper steps !! We Are Here To Help !!

Sep 02, 2017 | Cars & Trucks

1 Answer

Battery went low anti-theft horn came on and wont go off

Take the negative cable off of the battery, charge/replace battery, put negative cable back on, crank engine and turn off. System should be reset.

Mar 16, 2014 | 2005 Ford Explorer

1 Answer

Anti theft

Let it sit and then pop in the new battery and let it sit some more. Wear earplugs.

Source : Parts and Spares

Aug 27, 2013 | 1999 Chevrolet Silverado 1500

1 Answer

2004 Ford Explorer wont start after battery change-anti theft

sounds like aaa might have popped your main fuse. i would call aaa back and tell them your problem. they are responsible.

Mar 22, 2010 | 2004 Ford Explorer

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98 explorer will turn over but not start

Yes you have a problem with the theft system. Have you tried a different key? It has a transponder system.

Aug 22, 2009 | 1998 Ford Explorer

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2001 Explorer; anti theft light steady; no power to car

take the positive side of the battery off for about 3 seconds and then put it back on to see if this will reset the security code

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3 Answers

Anti theft system disabled start on car.

Did you replace the ignition lock cylinder? Are you using the original keys?

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