Re: ACC cabin temp sensor fan runs all the time - HELP ME - Saab 9000 Bulletin Board - Saabnet.com
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Re: ACC cabin temp sensor fan runs all the time - HELP ME
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Posted by Bill U (more from Bill U) on Sat, 28 Jan 2006 08:16:15 Share Post by Email
In Reply to: ACC cabin temp sensor fan runs all the time - HELP ME, Berle, Fri, 27 Jan 2006 18:26:33
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One of two things.
The ACC is powered by the ignition circuit, but does get a constant power feed also.
Either the inition switched power isn't getting cut off, or you're getting a voltage backfeed from somewhere, probably caused by a bad ground.
Which fuse shuts down the unit.
There are 3 power feeds for the system, fuses 1, 6, and 17.
1 and 6 are switched power.
1 feeds switched power thru pin 7
6 feed power to the damper moter.
Check for voltage on pin 7 with the ignition off then on, with the ACC unit disconnected. If this is working properly, you're probably getting a backfeed.
You might try pulling other fuses, one at a time, to see which, if any, de-energize the unit.

posted by 69.179.11...

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