Question about Pontiac Grand Am

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1994 grand am. the rear defrost works but the front defrost and the heater does not work. No air when I turn the heat on or defrost at any level.

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Usually the problem is a relay under the dash on the passenger side. A lot of times you can whack the dash below the glove box and the relay will close and the fan will come on. The relay is about $25 and you can get at any parts supply. The rear defroster is just a heating element inside the glass. So it would work. Another possibility is the switch for the fan. But it is probably not the problem.

Posted on Oct 05, 2010

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