Having problems with your Mercury Marquis ?

1990 mercury marquis the alternater won't charge. Took old one off and had it checked it was bad put new one on still won't charge I took the new one off and had it tested it was good.

Posted / edited by AnonymousUser on : 03-10-2022

Answers :

You may need to have the battery tested. If the battery is no good the alternator won't charge it. Check the belt also, make sure it's sized right and not overly worn or slipping. Hope this helps.
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