Ac Blower Fan Relay

Control fans blowers motors up to 1 1 2hp tools and other electrical devices within ratings.

Ac blower fan relay.

Bring your damaged relay with you to the automotive or electronics shop to ensure you re getting the right part for your blower motor. Locating the correct relay can be tricky. If that s the case the blower will operate at lower speeds but when switched to high will not work. This video will show you how to properly diagnose your blower by using the multime.

The blower motor relay controls the current used to power the blower motor and is subject to the constant on and off switching. The blower motor relay on your chevy vehicle is essential for the operation of the blower. Since the blower motor relay is essentially the switch that directly controls power to the blower motor the entire ac system will be left unable to distribute its cooled or heated air if the. Thankfully it is fairly simple to tell if the relay is malfunctioning and to install a replacement.

If the relay is blown out you will need to install a new one is soon as you can. Look for terms such as a blower ac or cooling fan relay on your schematics to point you in the right direction. This may be true of the fully automatic systems as well. Without it the ac system will not be able to circulate any heated or cooled air.

I go over how to read the ratings for time how to. In some cases the relay may be wired to only the high speed circuit. The blower motor is the component responsible for pushing air through the vents of your vehicle s heating and air conditioning systems. Install snap acting hvac relays from grainger in any position for remote control of air conditioning heating and ventilation systems.

The manual may refer to a blower relay an ac relay or a cooling fan relay. The blower motor relay is located in the. Purpose of the fan center relay.