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.
Car air conditioner blower resistor.
The blower motor resistor controls the blower motor s fan speed and ensures that the right amount of power reaches the motor.
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This electrical component is used to control the air conditioning system of a vehicle.
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.
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.
What are the symptoms of a bad blower motor resistor.
A blower motor resistor is an adjustable resistor.