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DaveMcKenz DaveMcKenz is offline
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Join Date: Jun 2013
Location: Park Ridge, IL
Posts: 1,240
Quote:
Originally Posted by Dmitry at Pelican Parts View Post
Sounds like the motor/regulator need replacing. Take a look at the link below to our site's DIY tech article on this procedure. Please let us know if you have any questions!

Porsche 911 Window Regulator and Motor Replacement | 911 (1965-89) - 930 Turbo (1975-89) | Pelican Parts DIY Maintenance Article
It sounds to me like a loose connection to one or both window switches. Before you buy an expensive part, pull your switches, clean and check connections. If that does not fix problem, get the circuit diagrams and trace out power and connectivity. Throwing parts at a problem is good for the parts guys, but if it's not the right part, you will still have the original problem.
Good luck,
Dave
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Dave McKenzie
1984 Carrera 3.2
1984 928S Automatic
2001 996TT
Old 04-19-2019, 05:58 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #21 (permalink)