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Check for:

-bad alternator

-wiring harness to alternator burned

-glove box warped causing light to stay on

-door not fully closed causing light to stay on

-burned headlamp switch

-radio improperly installed

-bad battery

-cell phone charger or radar detector plugged in

-electrical drain not related to one of the above

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Q: Why does your car battery keep dying in my 1986 Mercury Grand Marquis?
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