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1990C4S 1990C4S is offline
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Join Date: Sep 2009
Location: North of You
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There are likely some other 'conditions' that need to be met before the compressor will start, the cooling fan(s) are likely first on the list, and your interior blower fan will also have to be on.

If either of those signals is lost the clutch won't pull in. There is likely a troubleshooting guide on a Saab forum somewhere.
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Old 07-17-2017, 05:01 AM
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