Question about 1997 Mercury Grand Marquis

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Why does the battery light stay on all of the time

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Hi, the battery light indicates your alternator is not charging. If you have a voltmeter, check the voltage at the battery with the engine running. If the voltage is less than 14 or you don't have a voltmeter, remove the alternator and have it tested at your local parts chain. Please let me know if you have more questions, and thanks for using FixYa.

Posted on Apr 02, 2011

  • Daneen Pope Jul 22, 2013

    What if the alternator is good and the problem continues?


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Go to a auto store and ask them to check ur alternator it sound like it's not putting out enough amps

Posted on Apr 02, 2011


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