Question about 2003 Mercury Grand Marquis

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My grand marquis wont start the alarm light just blinking fast when i turn the key

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 14 Answers

SOURCE: the alarm on my 1999 mecury grand marquis has gone off

Is It An Aftermarket Alarm You Will Have To Have It Removed To Remity The Problem The Relay's Go Bad In The Aftermarket Alarms.

Posted on Mar 04, 2009

chuck943
  • 783 Answers

SOURCE: anti-theft system

You have to have 2 keys that are already programed in order to program another key. The procedure is cycle 2 programed keys in the ignition switch one at a time pausing 3 secs each time in the run position or until the antitheft light proves out.Then cycle an un-programmed key for 3 secs and the same for any addition key.It will have a limit of 8 keys.
If you do not have 2 already programmed keys then you have to have a scan tool that will perform security access and key programming.

Posted on Mar 10, 2009

  • 1 Answer

SOURCE: 1994 Grand Cherokee Jeep wont start

It is likely one of your battery cables loose. Same thing just happened to me today. What you need to do is first lock the doors, and close them. Then you need to disconnect, and reconnect the battery cable, then if the security lights still blink you must use your key to unlock the door, then it should stop blinking, and start just fine.

Posted on Jun 02, 2009

youredone82
  • 426 Answers

SOURCE: car wont start alarm light keeps blinking

need to get a chip key made, either by dealer or by locksmith will cot upwards of 150.00

Posted on Oct 30, 2009

joecoolvette
  • 5660 Answers

SOURCE: 95 jeep cherokee wont start

1.Loose Battery cable. Very common thing for a side post battery.

Solution: Tighten both battery clamps as needed.

2.Corroded connections for battery cable ends. The cable ends that connect to the battery.

(A side post battery was a bad idea IMHO.

When a battery is made the posts come up through a plastic case. There is a seal around the post, under the plastic case that you cannot see.
This seal allows battery acid to eventually leak out.

It was bad enough for a Top post battery, but seems like a ridiculous idea placing the posts on the side!
The idea was implemented to save space, so that cars could be made smaller)

Solution: Clean battery clamps, and side post area on battery.

SAFETY ADVICE!!

Hand Protection:
Gloves should be worn when working with a Battery.
Dishwashing gloves would work, but be sure to replace them, if a hole is torn while you're working.

Thin leather gloves are preferred.

Clothing:
Use old clothes that you do not care about, and may be thrown away if needed.

Eye Protection:
Safety glasses, or goggles should be worn. If safety glasses are not available, at least wear some sort of eye protection.

As said, battery acid does leak out. Usually a tiny amount, and not always seen. Even if dried, it is still potent.

This is Sulfuric Acid.

It will eat holes in your clothes. You won't notice it until you go to wash your clothes.
It will burn your skin, and eyes. DO NOT touch your face until the gloves are removed, and you have thoroughly washed your hands.

Use cold water first. Warm water will open the pores of your skin.
After using cold water, and thoroughly cleaning your hands, then you can use warm water.

When disconnecting a Battery, ALWAYS disconnect the Negative terminal first! Positive terminal last.

When connecting, Positive terminal First, Negative terminal last.

You can use a solution of Baking Soda, and water to clean the battery clamps.
Two tablespoons of Baking Soda to a 12 ounce glass of warm water thoroughly mixed. (It won't mix all the way. Squish it around in the glass as you are using it)

You Cannot use this mixture on the Battery. There is a chance it could go through the seal/s, and will nullify the battery acid inside, ruining the battery.

A wire brush is used for this application. (One of the reasons the eye protection is imperative. The wire brush bristles could sling dried battery acid up in your eyes)

3.Bad battery:
Could be the battery is at, or near the end of it's 'Lifetime'.

4.Bad Alternator:
The alternator isn't working, therefore isn't charging the battery.

5.Loose or Worn Alternator belt:
The belt/s are worn allowing the belt to slip on the Alternator pulley.

Posted on Dec 20, 2009

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You have to have 2 keys that are already programed in order to program another key. The procedure is cycle 2 programed keys in the ignition switch one at a time pausing 3 secs each time in the run position or until the antitheft light proves out.Then cycle an un-programmed key for 3 secs and the same for any addition key.It will have a limit of 8 keys.
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Mar 10, 2009 | 1999 Mercury Grand Marquis

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Is It An Aftermarket Alarm You Will Have To Have It Removed To Remity The Problem The Relay's Go Bad In The Aftermarket Alarms.

Mar 03, 2009 | 1993 Mercury Grand Marquis

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no but it probably has a fuel pump or coil dead turn key to on position until dash lights up don't crank it you should hear grrrrrr from back seat that is fuel pump no grunt no pump!!!!if a grunt is present then I would consider checking out that ignition coil!!!cheers

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