Explorer 2WD V8-302 5.0L VIN P SFI (1999)
Control Module HVAC: Description and Operation
The blower speed control is located on the evaporator housing in the engine compartment.
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The function of the blower motor speed control is to convert low power signals from the electronic automatic temperature control module to a high
current, variable ground feed for the blower motor.
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The blower motor speed is infinitely variable and is controlled by the electronic automatic temperature control module software.
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A delay function provides a gradual increase or decrease in blower motor speed under all conditions.
