The blower motor resistor controls the blower motor s fan speed and ensures that the right amount of power reaches the motor.
Car air conditioner blower resistor.
Every time you fiddle with the fan speed of your car s air conditioning or heating system you change the current that flows through the blower motor resistor on the way to the blower motor.
The most easily noticed issue is a failure to produce any air through your vents even when the air conditioning or heat is turned on.
On many vehicles the blower motor resistor which comes as a module that connects to an electrical wire and is mounted near the blower motor is accessible by removing the glove box or checking.
What are the symptoms of a bad blower motor resistor.
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There are many warning signs to be on the lookout for which can indicate that your car or truck needs a new blower motor resistor.
This electrical component is used to control the air conditioning system of a vehicle.
A blower motor resistor is an adjustable resistor.