The heater blower motor reduces or increases the amount of air blowing through the dashboard vents based on the fan speed selected or, in an automatic climate control system, the interior temperature ...
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Why Does Your Car Heater Only Work on One Speed?
During my 50-plus year career as a General Motors and ASE Master Technician, vocational educator and vehicle owner, I have repaired or replaced countless heating, air conditioning, and ventilation ...
Goal: document how we reliably controlled the blower without the original “upper/logic” board, after discovering the motor board times out without its expansion-bus handshake. Pin 4 = +12 V reference ...
2007 Kia Spectra. When I turn on the switch, nothing happens. When the car is being driven, enough air is forced through the system to slightly heat up the cabin. I thought the blower motor was bad, ...
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