Technician A says the blower motor is usually a permanent magnet, single-speed motor. Technician B says the switch position directs current flow to one of the three different brushes in the blower motor. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct. The blower motor is usually a permanent magnet, single-speed motor. Technician B is incorrect. The switch position does not direct current flow to different brushes. Instead, it directs current flow to different resistors in the blower motor resistor assembly, which then controls the speed of the motor.

Technician a Says the Blower Motor Is Usually a Permanent