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Old 08-11-2003, 10:06 PM   #1
78SilveradoSWB
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Join Date: Apr 2002
Location: Beaverton, OR
Posts: 1,615
Question Factory Dual Electric Fan Operation Question

Most cars & trucks these days have electric fans,with some or most being dual fan setups. They typically come on at 180-190 degrees. On a dual fan setup from the factory (GM) does one fan come on or do both fans come on at the same time? On this 94
GranPrix I am using, just one fan comes on at 190 degrees and the other one never comes on. Temperature never goes beyond 195 degrees. Do I have a bad fan?
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1978 Chevrolet Silverado C 10
454 BB, TH400
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