Thread: #2 Cooling Fan Runs on High after Ignition is off for a very long time
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Old 10-18-2008, 11:59 AM   #9
Cliff8928
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Quote:
Originally Posted by Pikester View Post
Cliff, I know the fans have 3 mini fuses one is for ground but I will double check the relays. You might be correct on the fans both running. Maybe the #1 fan is shot and the PCM triggers the #2 fan to run? I will need to make some phone calls to some buddies. I have lost my ability to look this stuff up at work. It might be time to purchase an OEM service manual as I have 3 Aleros in the family now.

The fans are only controlled together. It's possible with some combination of a bad relay, fuse or wiring condition that one will run though. They either run in series (low speed) or parallel (high speed)
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Cliff Scott
2004 Alero GX w/sport pkg - Sold, living somewhere in WI now.
2011 Saab 9-5 Turbo4 M6
2004 Corvette Convertible M6
1994 Chevy Beretta - Quad4/M5
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