What to do if your blower motor relay is failing?
What to do if your blower motor relay is failing?
For this reason, if you suspect that your blower motor relay is having a problem, have the vehicle’s AC system diagnosed by a professional technician from YourMechanic. They will be able to determine if the car will need a blower motor relay replacement, or a different repair, to bring full functionality back to your AC system.
Why does my air conditioner keep blowing fuse in circuit board?
When it comes to an air conditioner that keeps blowing a fuse in the circuit board, it is necessary that you let a trained technician check it out. A thorough inspection of your system, by them, will bring to light any additional issues that might be compounding the problem.
Where is the blower control switch on the dashboard?
The blower control switch on the dashboard controls the circuit flow of the blower motor to adjust the voltage from low, to medium, to medium-high, to high. When on high, the circuit bypasses the blower resistor.
How are auxiliary contacts used in a relay circuit?
Sometimes low current “auxiliary contacts” are added as an option to help perform relay logic functions and to eliminate additional relays. The “jog” function is used to index machine position—it is generally “tapped” briefly so that the motor runs only for a fraction of a second until it is positioned correctly.
How can I tell if my blower motor is faulty?
This is usually the first indication that you may have a faulty blower motor. If the airflow coming out of the vents is weak, it can mean that your blower motor is having a hard time pushing enough air through the ducts to achieve your desired temperature.
What causes a fuse to blow on a blower motor?
If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current from a bad relay will blow the fuse and cut power in order to protect the system.
