Question about 2006 Mercury Grand Marquis
If the window works at all, it's not a switch or relay. Most likely it's the drive motor or regulator mechanism. The regulator acts as a counterbalance to help the motor lift the heavy window. If the counterbalance mechanism is broken, the motor has to lift the whole weight without any assistance, thus it moves slowly and laboriously. Also, continued use will grind the motor gearbox to dust, too, which makes the problem worse. Go by your local parts store and get a Haynes manual for your car. It'll have pictures and good step-by-step how-to-fix-it instructions for this and most other problems you're likely to have with your car.
A Haynes manual is the cheapest and best repair money you'll ever spend. You owe it to yourself to get one for everything you drive. Us it to diagnose your problem exactly. It'll tell you how to get the door panel off, where the mounting screws and hidden clips are, and pretty much everything else you need to know. When you know exactly what parts you need, start calling around to check prices and delivery. Don't forget E-bay, too. Good place to look for lots of car parts.
Hope this helps.
Posted on Sep 29, 2008
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Posted on Jan 02, 2017
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