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Why would 98 cadillacs eldorado's Cooling fans only work when ac is on what could be the problem?
Wiki User
∙ 15y ago
The cooling fans are set to come on when the coolant reaches 224 degrees (low speed) and 240 degrees (high speed). If they do not turn on (without the AC) then either your coolant does not reach 224, or the switch that turns them on and off is bad. The switch should not be hard to replace, or too expensive. Since you mention that they do come on with the AC, then we know it's not the fans themselves.
Wiki User
∙ 15y ago
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