A blower motor does not work on three of the four speeds but works on high. Technician A says a faulty blower high speed relay is the cause. Technician B says a faulty blower switch may be the cause. Who is correct?

Question

Quizplus · Accepted Answer

The issue is likely due to a faulty blower motor resistor, not the high-speed relay or blower switch, as the high speed bypasses the resistor.

A Blower Motor Does Not Work on Three of the Four