97 bonneville SE radiator fan keeps blowing fuses. - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 06-22-2007, 11:47 AM   #1
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Default 97 bonneville SE radiator fan keeps blowing fuses.

Does anyone have a diagnostics and/or wiring schematic for this. Keeps blowing the 40amp fuses on short rides thru town.
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Old 06-22-2007, 12:44 PM   #2
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How long does the fan run before the fuse pops?
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Old 06-22-2007, 12:45 PM   #3
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First up is to unplug one fan and test, then swap which is plugged and unplugged. I think you might find the resistors on the back of the high speed fan is bad. Best I can do from work w/o the manual.
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Old 06-22-2007, 01:17 PM   #4
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The fuse blows after approx 5-10 minutes running. And that'* without the AC on. If it'* the resistors on the high speed fan. Can they alone be replaced on how much are we talking? Thanks
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Old 06-22-2007, 02:58 PM   #5
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If it'* the resistors..I'd get a different set from a junkyard. Shouldn't cost much.
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Old 06-23-2007, 07:12 AM   #6
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Why are the fans on in the first place if the A/C is not on? That does not sound right? I am thinking you may have a little more on your hands than some resistors
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Old 06-23-2007, 11:46 AM   #7
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Rich - PM me with your Email address & I'll send you a wiring diagram.
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