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post #1 of 3 (permalink) Old 07-07-09, 02:37 PM
CaseyC
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2000 Grand Marquis has strange behaviour

I have a 2000 Grand Marquis with just over 25k miles. A couple of weeks ago, when the car was parked in my driveway, I noticed that the exterior and interior lights would come on (like when you unlocked with the keyless remote) and after a short time period would turn off again. That happened several times, so I turned off the automatic headlight sentinel and I thought I had the problem taken care off. However, the next day the battery was completely dead. I recharged the battery and kept it out of the car for several days and it is holding a steady voltage of 12.94.

Anyone have any ideas??? Or should I just start pulling fuses to see where the problem is???

Thanks.

 
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post #2 of 3 (permalink) Old 07-07-09, 04:10 PM
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Re: 2000 Grand Marquis has strange behaviour

When you saw the lights on, was that something taht happened with the car setting a long time? If so, it's probably the LCM.

Even if you leave the headlights on and walk away, they'll go out in 25 min. or so. The battery could have good voltage and still be bad. An amp check would verify the condition.
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post #3 of 3 (permalink) Old 07-22-09, 02:47 PM
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Re: 2000 Grand Marquis has strange behaviour

Likely the headlight switch. They fail to "ON". despite low mileage, it does happen.
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