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Audi Original "S" Cars Discussion forum for the Audi Audi Ur S4, Ur S6, S2 & RS2

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Old 09-19-2005, 03:51 PM   #1
KUrS4
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Default Help!! battery drain on my 92 S4...

My 92 S4 drains the battery after it sits for only a day or so. I'm thinking its related to a relay that controls the power windows/sunroof. The power windows can still be operated after the car is shut off and the doors are opened. Also, the sunroof closes on its own when the car is shut off. Any ideas about which relay(s) could be causing this?

I've checked the obvious stuff that could cause a drain like trunk lights staying on, etc...any help would be appreciated.

-Jon
92 S4 Emerald/Ecru
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Old 09-19-2005, 03:54 PM   #2
repeater
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Default Could just be a bad battery.....

Have it checked with a good load tester.
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Tim - Fishers, IN
I don't own an Audi anymore, but stop by semi-annually.
07.Cooper S, with stuff
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99.A6Aq - (sold)
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Old 09-20-2005, 07:54 AM   #3
KUrS4
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Default I replaced the battery recently and the brushes in the alternator...

Has anyone else had similar symptoms of the windows and sunroof not functioning correctly(see original post)? I lost my Bently CD so any help with this would be appreciated
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Old 09-20-2005, 12:56 PM   #4
KUrS4
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Default I think i fixed the battery drain...thanks for the help

Just and FYI if you're having similar problems...Check out the following link:

http://www.sjmautotechnik.com/troubl...ndowrelayclick

I disconnected the yellow wire from the vacuum pump under the rear seat and my windows and sunroof work correctly. All I lost was the ability to close my windows with the key in the drivers door(which didn't work anyway).
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Old 09-20-2005, 12:56 PM
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