Question about 1996 Saab 900

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Running noise in the dash, runs down a new battery

I just bought this 1996 900 SE convertible. It has a new battery. Worked fine for a couple of weeks but I noticed everytime I turn the car off I still hear something 'running' (a hummmmm) from the dash. At first I just thought it was the turbo fan, but even after the fan goes off you can still sometimes her this hummm. It has drained the battery. I have jump started it a couple of times alternator appears to work, just some little wuirk in the dash. ??? any suggestions?

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  • Anonymous Jul 16, 2008

    I have the same problem with my 1995 Saab 900 Convertible..

  • Anonymous Mar 15, 2014

    I noticed that my heat doesnt always work and now something is draining my battery in my 1999 grand am. could they be linked? any suggestions. alternator is fine battery is new.

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Ah ha! The intake valve for the interior temp. control was continuing to run after the engine was off. It was making noise (like a running fan). I removed it. So what the auto temp does not work. It is an old car... if you get hot turn down the air, if you get cold, turn up the heater. Removing this did not affect the effectiveness of the heat or air.

Posted on Jul 17, 2008

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