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1990 Mercury Grand Marquis Question: Why do the low beams not work? They work when the high beams are on.



, Andover, MN, February 26, 2011, 17:18

This started happening in December 2010.

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  • Answer #1

    February 27, 2011, 04:00

    Check your headlight swtich. It may be faulty. The terminals on the wiring connector could also be damaged, burned, melted.

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