Operation CHARM
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Buick
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1994
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Roadmaster Estate Wagon V8-350 5.7L
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Repair and Diagnosis
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Wiper and Washer Systems
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Description and Operation
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Rear Wiper/Washer System
Rear Wiper/Washer System
These vehicles use a one speed permanent magnet motor. The motor drives a gearbox which in turn drives a wiper pivot that provides an oscillating output to the arm and blade.