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Ford Truck
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2003
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F 550 2WD Super Duty V8-7.3L DSL Turbo VIN F
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Repair and Diagnosis
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Heating and Air Conditioning
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Blower Motor
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Description and Operation
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Auxiliary Climate Control
Auxiliary Climate Control
Blower Motor
The auxiliary air conditioning system contains a blower motor which is controlled by the heater blower motor switch on the front or rear auxiliary A/C control.