Car Problem Reports

Mercury Grand Marquis Battery Light Due to Damaged Alternator Wire Harness Connector

Mercury Grand Marquis Problem
4 Reports
Me Too

Model Years Affected: 1990, 2000, 2006

Average Mileage: 157,101 mi (124,202 mi - 190,000 mi)


The battery light may illuminate on the instrument panel because the alternator wire harness connector is damaged. A new connector kit is available and should be installed to correct this concern.

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