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I had to fix this in my merc and town car,The first I had a mechanic do and it cost about $80.00.If you open the wiper motor cover there is a type of pendulum looking piece of metal that wears out and won't park the wipers any more.I found afterwards that it was cheaper at a local junk yard to buy the entire assembly and switch it out.This is what I did for the town car cost was $10.00. I think 92-98 would work so get as new as you can and it should work for a while.

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โˆ™ 2006-04-30 04:35:37
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Q: Why do 92 grand marquis wiper motor not park?
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