Question about Mercury Grand Marquis

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This a 1987 ford mercury grand marquez,how do replace the ignition,keys lost.

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  • Mercury Master
  • 14,926 Answers

Go to a dealership with the registration document. Key will be cut using the VIN number.

Posted on Dec 21, 2016

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  • 2 Answers

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Posted on Jan 02, 2017

  • 625 Answers

SOURCE: lost keys & need to remove ignition switch

it is kind a hard some drilling must to be done but try to call and shop arrownd for a lock smith guy sometimes they will do a copy for a fair price without taking the ignition out

Posted on May 28, 2008

  • 2 Answers

SOURCE: lost car keys, how to replace ignition/door locks

Can u open the doors using the ignigtion key or is it two seperate keys?

Posted on May 21, 2009

positrac
  • 30 Answers

SOURCE: 1987 Ford Tempo cylinder,automatic,key will not

most likely your key is worn to much. Try another key for that car first. If that is'nt it, then its likely the key cylinder is bad

Posted on Oct 23, 2009

bhowell786
  • 88 Answers

SOURCE: i have a 2000 mercury

When the car is locked, unlock it from the passenger side door. Then try starting the car.

Good Luck!
~Brandon

Posted on May 28, 2011

  • 8 Answers

SOURCE: lost ignition key on 2006 pontaic grand prix

go to GM dealer with VIN and proof of ownership and order new key.

Posted on Apr 08, 2012

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Where on a 1991 ford taurus wagon is the key code for the ignition


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Dec 12, 2015 | Ford Cars & Trucks

2 Answers

Seek your advice for ford winstar model2002 lost the make duplicate key but not acepting please advice


Hi, I found this on a ford forum for you, procedure to program a new key to your car's anti theft system computer.:
Please rate this answer if helpful! Thanks, Mike
How to program a replacement PATS key patskey_small.jpg

Please keep in mind....
This and other how-to articles are provided for informational purposes only. Perform the procedures at your own risk. FordF150.net is not responsible for any damage that may occur as a result of performing procedures outlined in any article. Please be sure to read and understand the entire article before doing this.

These instructions will save you a lot of money. The dealer wants at least $50 just to do this simple procedure.....

To start off, I'll explain a bit about what a PATS key is, what it does, and why this might concern you.

PATS is an acronym that stands for Passive Anti-Theft System (Ford also calls this SecuriLock). It is also called a transponder key. It is a security feature found on most (if not all) new Ford products, and what it does is disable your vehicle's starter unless your specially programmed key is used to start the vehicle. There is a computer chip inside of the key, and without that you will NOT be able to start the vehicle -- even if you have a regular (non-PATS) key with the correct cuts, it will not work.

For convenience, I'm also including a list of other vehicles that these instructions apply:

Ford Contour '98-up
F-150 '98-up
Ford Crown Victoria '97-up
Ford Escort 99-up
Ford Excursion '00-up
Ford Expedition '98-up
Ford Explorer '98-up
Ford Focus '00-up
Ford Mustang '96-up
Ford Ranger '98-up
Ford Taurus '96-up

Ford Windstar '98-up
Lincoln Continental '98-up
Lincoln LS '00-up
Lincoln Mark VIII '98-up
Lincoln Navigator '98-up
Lincoln Town Car '98-up
Mercury Grand Marquis '97-up
Mercury Mountaineer '98-up
Mercury Mystique '98-up
Mercury Sable '96-up

NOTE: These instructions may apply to more or less vehicles than those listed above. I cannot confirm that these procedures work for every year and model listed. See your dealer if to confirm this.
On-Board Programming Method "B"

for Ford keys (1996 -early 1998 Ford, Lincoln, Mercury)
If you want to initiate a new master key....

1. Insert new key into ignition cylinder and turn it to the ON (RUN) position. The security light on the dash will flash for fifteen minutes.

2. When the security light stops flashing, you have FIVE minutes to start the next step. Turn the ignition cylinder OFF and then back to the ON (RUN) position. The security light on the dash will flash for fifteen more minutes.

3. When the security light stops flashing, you have FIVE minutes to start the next step. Turn the ignition cylinder to OFF and then back ON (RUN) position. The dash will flash for fifteen more minutes.

4. After the security light stops flashing the third time, the new key has been programmed into the vehicles computer and will operate the car. It has replaced ALL the previous electronic key codes and is the ONLY key programmed into the vehicles computer.
If you want to add a key....

1. Insert an existing key into the ignition cylinder.

2. Turn the ignition cylinder to ON (RUN) and back to OFF.

3. Remove the existing key and, within 15 seconds, insert the new key and turn it to ON (RUN).

4. The security light will light up for two seconds to indicate success in programming the key into the vehicle.

5. Don't attempt to start the vehicle with any key for at least 1 minute.

Please rate this answer if it is helpful! Thanks, Mike

Jun 14, 2011 | 1999 Ford Windstar

1 Answer

I lost the key for ignition what do i need to do


you need to take proof of ownership to a mercury dealer, if you cannot find one try a ford or lincoln dealer. they should be able to hook you up without getting a new lock cylinder.

Dec 23, 2010 | 2000 Mercury Grand Marquis

2 Answers

I am unable to turn the key in the ignition of my 87 Mercury Grand Marquis. The steering wheel is not locked. I think the tumblers are miss aligned. I bought a new Lock cylinder but can't get out the old...


Make sure the gear selector is fully in the park position. If it is not, you will not be able to turn the key to the position that locks the steering. This is by design, so that if someone has to turn the key off because of a runaway engine, they don't inadvertently lock the steering.

Jun 26, 2010 | 1987 Mercury Grand Marquis

1 Answer

Need replacement ignition key for my 1987


A 1987 does not have the theft prevention chip in the key, so yes, you can. In case it is a 1997, you need the chipped key to start the vehicle. This would have to be aquired from the dealer.

Aug 29, 2009 | 1997 Mercury Grand Marquis

1 Answer

Program 2002 Mercury Sable Key


For convenience, I'm also including a list of other vehicles that these instructions apply:
Ford Contour ‘98–up
F-150 ‘98-up
Ford Crown Victoria ’97-up
Ford Escort 99-up
Ford Excursion ‘00-up
Ford Expedition ‘98–up
Ford Explorer ’98-up
Ford Focus ‘00-up
Ford Mustang ’96-up
Ford Ranger ’98-up
Ford Taurus ’96-up
Ford Windstar ’98-up
Lincoln Continental ’98-up
Lincoln LS ’00-up
Lincoln Mark VIII ’98-up
Lincoln Navigator ’98-up
Lincoln Town Car ’98-up
Mercury Grand Marquis ’97-up
Mercury Mountaineer ’98-up
Mercury Mystique ’98-up
Mercury Sable ’96-up
NOTE: These instructions may apply to more or less vehicles than those listed above. I cannot confirm that these procedures work for every year and model listed. See your dealer if to confirm this.
On-Board Programming Method "B" for Ford keys (1996 -early 1998 Ford, Lincoln, Mercury)
If you want to initiate a new master key.... 1. Insert new key into ignition cylinder and turn it to the ON (RUN) position. The security light on the dash will flash for fifteen minutes.
2. When the security light stops flashing, you have FIVE minutes to start the next step. Turn the ignition cylinder OFF and then back to the ON (RUN) position. The security light on the dash will flash for fifteen more minutes.
3. When the security light stops flashing, you have FIVE minutes to start the next step. Turn the ignition cylinder to OFF and then back ON (RUN) position. The dash will flash for fifteen more minutes.
4. After the security light stops flashing the third time, the new key has been programmed into the vehicles computer and will operate the car. It has replaced ALL the previous electronic key codes and is the ONLY key programmed into the vehicles computer.
If you want to add a key.... 1. Insert an existing key into the ignition cylinder.
2. Turn the ignition cylinder to ON (RUN) and back to OFF.
3. Remove the existing key and, within 15 seconds, insert the new key and turn it to ON (RUN).
4. The security light will light up for two seconds to indicate success in programming the key into the vehicle.
5. Don't attempt to start the vehicle with any key for at least 1 minute.
On-Board Programming Method "C" for Ford keys (Later 1998-newer Ford, Lincoln, Mercury)
If you want to initiate a new master key.... 1. This requires that the vehicle be connected to special dealer equipment. There are two ten minute delays involved while this device erases all existing key programming and sets up the vehicle computer to accept new key codes. Two new keys should be ready because the system requires a minimum of two keys in the program. After the first two keys are programmed, additional keys can be entered individually by following the instructions for adding duplicate keys (below).
If you want to add a key.... **You must have two original keys to perform this procedure. If you only have one key, you WILL have to take it to the dealer to get it programmed**
1. Insert and existing (working) key into the ignition cylinder.
2. Turn the ignition cylinder ON (RUN) and back to OFF. Ignition should stay on for at least ONE SECOND.
3. Remove the existing key and, within TEN seconds, insert a second working key and turn it to ON (RUN) and the back OFF. Ignition must be in ON for at least ONE second, but no more than TEN seconds. Remove the key.
4. Insert the new key before TWENTY seconds have elapsed and turn it to ON (RUN). Leave it the ON position for at least ONE second and turn back to OFF.
5. The security light will light up for THREE seconds to indicate that the new key has been successfully programmed.
6. To program additional keys, repeat steps 1 through 5
As a precautionary measure for all of the above procedures, you should wait at least one minute after you have performed this until you start your vehicle.

Mar 27, 2009 | 2002 Mercury Sable

1 Answer

Lost keys & need to remove ignition switch


it is kind a hard some drilling must to be done but try to call and shop arrownd for a lock smith guy sometimes they will do a copy for a fair price without taking the ignition out

May 25, 2008 | 1987 Ford Ranger

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