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1983 911SC Power Window Troubleshooting

Electrical

Vehicle Information: Model: 911 SC ; Year: 1983; Body Type: Convertible; Total Mileage: 106500;

Recently the power windows operated by driver & passenger side switchesstarted to work intermittently - that is, you could always put the windowup, but not necessarily down using their respective switch. Now,however, neither switch will put their respective window down, but I canfully operate the passenger window from the driver's side passengerswitch. I've attempted to glean some clues from the wiring diagram in theBentley manual. My instincts tells me that it may be a loose wireinterconnecting the two switches on the driver side, but then again, Inot sure of the role the relay switch plays other than acting as anon/off switch for providing power to the window's switches. Before Istart disassembling the driver's side door panel, can you offer anysuggestions on what diagnostic steps I should first take to resolve thisproblem?

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