with the motor running I pulled the window up into place.
would this be the regulator or the motor failing?
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1992 Ford Mustang LX Question: passenger qtr panel window will not go up, hear motor running. can i fix this
Answer #1United Auto Service Center from United Auto Service Center, July 22, 2012, 10:57Technician
As a general rule, if you can hear the motor running, then all you need is a regulator. It's also a good statistical bet. Here at the shop we probably replace a dozen regulator for every one window motor that fails.