Question about 2004 Mercury Grand Marquis

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Factory Keyless Entry Code

Where on a 2004 Mercury Grand Marquis is it located? Just bought the car and can't use it because I don't know the code. The dealer is useless.

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  • jjosephss Apr 30, 2009

    NO CODE FOR KEEYLESS ENTRY PAD DEALER SAYS DOOR PANEL HAS TO BE REMOVED COST 45 TO 75 DOES FORD CO RECORD NUMBER SOMEWHERE GM HAS MUCH BETTER SERVICE ONCE GOT KEY FOR 10 YEAR OLD CADDY FOR ME

  • Anonymous Mar 16, 2014

    remove factory stereo in 2004 grand marquis

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Had the same problem when i bought a used 2004 grand marquis from the ford dealer.  the code is associated with the vin and had to be looked up by the dealer.  as far as i know the code is not located anywhere on the car.  after getting mine i wrote it inside the door frame on the driver's door.

Posted on Oct 25, 2008

  • Joy McCormick
    Joy McCormick Feb 10, 2014

    I just read that the 5 digit factory entry code is located inside the fuse box on a label.

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Mine was located on the right hinge in the trunk

Posted on Dec 23, 2008

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2 Answers

How do I change the keyless entry code for 2000 mercury grand marquis


1.locate and enter the factory set code(taped to the computer module also located on trunk lid. 2.press the 1/2button within 5 seconds of step 1. 3. enter your personal 5 digitcode within 5 seconds. Allthedoors will lock and unlock to confirm programming of the new code.

Apr 02, 2014 | 2000 Mercury Grand Marquis

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Brought a grand marquis and do not know keyless entry code


Have to go to a dealer with your VIN # & Vehicle Tittle

They will give you the factory code

Have then write down how to change it,
if you have no owners manual

Owners Manual --Buy One @ Helm.Com

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What is the color code for replacing the light switch on a '94 Marquis with factory alarm and keyless entry?


Here you go. I think this may be what you are looking for. I hope this helps and good luck.

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Need to find the computer module with the factory keyless entry code for a 2003 Mercury Grand Marque GS


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Sep 04, 2010 | 2003 Mercury Grand Marquis

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How to change the keypad code on a 2001 mercury grand marquis


look for the permanent code on the plastic card in the owner manual packet. Or, pay dealer to extract code from computer.

Keyless Entry Keypad Code Programming NOTE: The system only allows one code to be programmed.
  1. Enter the permanent factory keyless entry keypad code.
  1. Press the 1/2 button within five seconds to activate the programming mode. Holding the 1/2 button for more than two seconds after activation will erase the stored customer code . The door locks will lock, then unlock, confirming the code is erased. The existing code will not need to be erased to program new a code.
  1. Within five seconds, enter the new five-digit keyless entry keypad code. The door locks will lock and unlock to confirm the new code is programmed.

Feb 08, 2010 | 2001 Mercury Grand Marquis

2 Answers

Where is sticker with factory 5 digit keyless entry code located on 2001 grand marquis


You should find it on the hinges in the trunklid and sometimes on a hood hinge. They can be in door jams and on door hinges. Your owners manual usually has a plastic card for your wallet.

If no success contact the dealer with your VIN#.

Nov 16, 2009 | 2001 Mercury Grand Marquis

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