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Either your window switches are bad or the motors are.

The same exact thing happened on my 92 and I just finished fixing it. There are separate ground wires between the front and rear windows. Your ground is probably bad, mine had actually broken in half in the rubber boot in between the door and the body of the car.

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โˆ™ 2008-01-13 05:10:28
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Q: Why would the back windows go down but the front windows not move on a 1994 Buick Century?
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