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 ...

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, ...

Guest columnist Alfred Hesener, European marketing director at Fairchild Semiconductor, describes how good design of power switches can help reduce losses in motor control circuits. Energy-saving ...