Question about 2000 Lincoln Town Car

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Battery Drain. This will be the 3rd battery in 10 years. What is the cause?

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  • Lincoln Master
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There are 2 things I can write to clear this problem up for you.

First, to diagnose a Battery drain you need to shut everything off in the car including the clock fuse and the alarm fuse. Then disconnect the Battery and connect an OHMmeter to the 2 loose Battery cables. The OHMmeter will show the amount of Drain in the system by moving the needle on the OHMmeter. You disconnect 1 fuse at a time and see if the needle drops on the meter. Then reconnect that fuse and move on. Once you find the fuse that is connecting when it should be OFF, you can trace the short for that group of wires that fuse controls.

Second, you need to drive far enough for the Battery to recharge. If you use your headlights or Rear Window Defrost, you will need to drive farther to replenish the power drain.

Autozone and Oreillys will scan your vehicle for free. You need to emphasize the need for Alternator output and Starter draw results.
Buy the strongest Batteries you can get when you need your next one. I like the Max at Walmart, 3 Year free replacement, Nationwide service, and reasonably priced for what you get. Everybody has an opinion about batteries and I can only say what I use in my vehicles.

Good Luck with your Lincoln and I hope you are happy with my help.

Posted on Jul 14, 2010

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