What is a blower motor regulator?
The Blower Motor Regulator controls the speed of the blower motor in your vehicle’s heating system. The regulator consists of a set of three resistors or terminals that generate a voltage to vary the speed of the motor.
What does a blower regulator do?
Function. Blower motor resistors contain controls that determine air settings. If the airflow exceeds a predetermined amount, the blower motor resistor reduces airflow through the vents via wire coils.
How do you replace a blower motor resistor?
Remove the screws that secure the blower motor resistor to the housing… and put them someplace safe. At this point, you can remove the resistor from the housing. Take your new resistor… put it in position… and install it using the screws that held the old resistor in place.
How much does it cost to replace a blower motor?
See: how to check a fuse in a car. If a blower motor is bad, it will need to be replaced. The blower motor replacement costs from $320 to $650, depending on the car. In many cars it’s fairly easy; the blower motor is located behind the glove box and held by 3-4 screws.
What should the voltage be on a blower motor?
If those are OK than backprobe the blower motor connector and check for power on terminal 1. Check terminal 2 for a variable voltage, this should be 12v with the fan control knob on off and 5v or full ground on full. If that checks out replace the blower motor.
Where is the blower motor resistor on a Mazda 5?
In many cars it’s fairly easy; the blower motor is located behind the glove box and held by 3-4 screws. In others it might be located inside the dash (e;g Mazda 5) which makes replacement difficult. If you need a proper diagnostic procedure, we posted several links where you can access a service manual for your car for a subscription fee.
What does a blower motor resistor do?
Definition. A blower motor resistor, typically located beneath the passenger side dashboard, contains three resistors, or sets of terminals designed to generate voltage in proportion to electrical current. These resistors allow the blower motor to function at lower speeds.
Where is my blower motor or blower resistor?
The blower motor resistor is usually located inside the blower motor housing unless the blower motor is mounted horizontally and is accessible from the engine bay (which I do not believe is the case in your Buick) in which case the blower motor resistor is going to be located in close proximity to the motor.
What are the parts of a blower motor?
Components of a Blower Motor. The components of a blower motor can vary from one application to another, but they typically consist of: a DC motor. a housing that can be bolted down. a fan (also known as a wheel or cage)
What is a blower control switch?
The blower motor switch is the physical control switch for the AC blower settings, and is therefore critical to the overall functionality of the AC system.