Mechanics

ERROR MESSAGE

2009 Mercury Marquis • V8 • 40,000 miles

Door open indication when doors are closed 2009 mercury grand marquis
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Gerald Pierce
January 30, 2011.




Check for body ground issues. If other lights go out, the switch is working. That leads me to believe there is a bad ground. As a result, the electric is seeking a ground through that light, turning it on.



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