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Old 05-29-2007, 08:24 AM
Bof Bof is offline
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Join Date: Feb 2005
Posts: 11
400E intermittent windows and sun roof failure to work

I have a 1992 400E and after anywhere from a month to a couple of months the windows and sun roof just stop working. They will stay inoperable for anywhere from a week to a few weeks, then they begin working again. Unfortunately everytime they have acted up has been during a period I have been too busy to get out the old volt/ohm meter and start tracking.

Any suggestions I hope?



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Old 05-29-2007, 08:56 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
There is a "convenience" computer under the REAR seat bottom on the drivers side that operates ONLY the windows & sunroof..would imagine that computer is the problem. start by checking the electrical connections on that computer.
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Old 05-30-2007, 01:09 AM
Bof Bof is offline
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Join Date: Feb 2005
Posts: 11
Thumbs up Great Thought, thanks

Great lead, thanks; I'll do that tomorrow. I should see something despite the problem having done another temporary resolve today.

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Old 05-30-2007, 01:44 PM
Join Date: Mar 2007
Location: Dallas
Posts: 756
It is amazing. M.B. Doc is truly an expert. First lead and hit, no guessing around.

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