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How do you tell if Chevy fan blower resistor is bad or the selector switch?
Wiki User
∙ 9y ago
Examine the back of the switch for loose or melted connections. Then examine the resistor for burned spots. In most cases a burned resistor is the result of a failing blower motor. So if a new resistor burns out in a short time, replace the motor also.
Wiki User
∙ 9y ago
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