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1998 mercury mountaineer anti theft system

Light on and car won't start. How do I reset this system?

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Reset when problem is corrected need to find out why system is activated --first check key and ignition cylinder for excessive wear or if chipped / battery key failure of key

Posted on Aug 10, 2017

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Posted on Jan 02, 2017

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SOURCE: 1994 cadillace anti theft system

I just had this same problem with a '96 . do you have a vats key in your '94? you need to bypass the VATS system. read some of the blogs on this site and it will tell you how to do it. I fixed mine with a $2 resistor from radio shack.

Posted on Oct 12, 2008

  • 1 Answer

SOURCE: 1997 ES 300 How to reset anti-theft system when car won't start

With the doors shut, insert the key into the drivers door lock. Lock and unlock the door 5 times. This should reset the system. If that doesn't work you should contact a qualified repair shop.

Posted on Mar 20, 2009

  • 232 Answers

SOURCE: anti theft dash light is blinking on my 1998 rodeo

I'm assuming its an original alarm or system that came from factory or dealer. When the light blinks is because the alarm is activated. Look underneath the radio the alarm brain might be there. There will be a label on it saying alarm or security system etc. Disconnect the harness to it and try operating your vehicle.

Posted on May 06, 2009

junmag
  • 175 Answers

SOURCE: anti theft device for 1997 ford expedition

try using a spare key first

Posted on Jun 02, 2009

  • 1 Answer

SOURCE: How to disable/reset anti theft system on a 98 Cavalier z24

how to get the anti-theif lightoff

Posted on Sep 25, 2010

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My mountaineer wont stat-dash lights on-anti theft light blinks-how can I get it to start


Visit the on-line store, know as reliable-store, they have the repair manuals. I'm sure you will get the solution of your problem.
Mercury Mountaineer 2002 2005 Factory Service SHop repair manual Download

Oct 19, 2016 | 2005 Mercury Mountaineer

1 Answer

How do you reset the anti-theft 1999 mountaineer


I dont think it's your anti theft. If you're having issues with it I would bypass it completely to eliminate that possibility allowing you to troubleshoot easier

Aug 25, 2016 | 1999 Mercury Mountaineer

1 Answer

What would make the theft light not come on at all


99 F-150 ignition/anti-theft question - Ford F150 Forum - FordF150.net

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Sep 16, 2009 - I had 2 keys for the truck, one worked perfectly fine, the other wouldunlock the ... over but the anti-theft light flashes and the engine won't actually start. ...Should I just spend the $80 for the switch and hope that is all it needs? ... for Fordkeys (Later 1998-newer Ford, Lincoln, Mercury) ... Mustang 1998 - 2001

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Jan 27, 2016 | 1998 Ford Mustang

2 Answers

Truck won't start anti theft light blinks faster than normal


Sounds like your anti theft engaged with the wrong key or the chip did not activate properly in you key. You can probably reset this by disconnecting the negative side of the battery for thirty seconds and trying again.

Nov 28, 2015 | 1998 Mercury Mountaineer

1 Answer

How do I reset the anit-theft system on the vehicle?


your anti theft device is activated,you need to lock and unlock your doors a couple times with the key fob,not the key,and then you need to put the key in the ignition and start it,if you dont have your key fob,call your car dealer to get a new one,they are programmed for each car only,you cannot bypass it.

Jun 21, 2015 | 1998 Mercury Mountaineer

1 Answer

2003 ford ranger theft light blinking and won't start


the anti-theft has been activated and needs to be reset.you may have to get it to a shop that has the tools to do this or go to the dealer to get it done.did you use a key that was cut as a spare and doesn`t have a chip in it.this usually can cause this.also if the wires at the switch break it can activate the anti-theft system.

Feb 09, 2012 | Mercury Tracer Cars & Trucks

1 Answer

Anti theft light won't go out


There are 2 things to try:
1) Use your key to manually unlock the driver's side door - sometimes this alone is enough to reset your security system.
2) Put your key in the ignition and turn to ON position (do not try to start the car, just turn to ON)- after 30 seconds, attempt to start the car and see if the security light goes out.

Dec 08, 2011 | 2000 Mercury Sable

1 Answer

My theft lite keeps flashing on my dash 1998 mercury mountaineer


Hello. While it can sometimes be annoying, the flashing theft light is letting you know, and passers by, that the passive anti-theft system is armed. This system immobilizes the engine from starting unless a coded key, programmed to your vehicle, is used. When it's working properly it should flash about every 2 seconds. If it flases rapidly, or stays on, you will likely have to make a trip to the dealer. Also, if you have a keypad for your car some vehicles allow you to dis-arm the system. New vehicles come from the dealer with that system already activated.
I hope I've been helpful.

Jan 11, 2011 | Mercury Mountaineer Cars & Trucks

1 Answer

I have a 1997 Mercury Mountaineer. The anti theft light is not responding with the ignition in the off position or when the switch is cut on. However it will respond if you lock the doors. Also the...


That is the way mine works. It is either an "active" or "passive" system (don't know which term goes with which system) meaning that you have to lock the vehicle manually in order for the anti-theft system to work.

I don't know what you mean by "transmission will not take drive"..

May 14, 2010 | 1997 Mercury Mountaineer

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