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1999 Buick Century Question: Heater Fan only works on HIGH setting.

 

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Rkelleyk, Saint Paul, MN, September 07, 2010, 09:26
 Enthusiast

My 1999 Buick Century blower fan only worked when on HIGH setting so I REPLACED the heater blower motor resistor. All other setting worked fine for a day. Now it only works on HIGH again. Any suggestions what the issue may be?

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  • Answer #1

    September 07, 2010, 09:35
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     Master

    the reason these burn out is either the connector is melted and overheated or the blower motor is pulling too much amperage overheating these items.

    Roy

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