Posts Tagged: blower fan only works on high speed

Blower motor only works on high speed

Blower motor only works on high speed — what to check A bad blower motor resistor can cause a blower fan high only works on high speed condition If your blower motor only works on high speed, chances are the blower motor resistor is bad The blower motor resistor is what’s responsible for giving you three blower speeds. The resistor block contains three different high resistance coils. Think of these coils like a filament in a light bulb. The coil resistance causes them to heat up, thereby reducing the amount … Read More