Kia Soul Turns on Once Dosent Turn on Again
Symptoms of a Bad or Failing Blower Motor Relay
The blower motor relay is the electrical switch that is used to supply the power for the vehicle'due south blower motor. The blower motor is the component responsible for pushing air through the vents of your vehicle's heating and ac systems. Without it, the Ac system will not exist able to circulate any heated or cooled air. The blower motor relay controls the electric current used to ability the blower motor, and is subject to the constant on and off switching. Over time, it can somewhen wear out. When the blower motor relay does begin to neglect, the vehicle will usually brandish a few symptoms that alert the commuter of a potential trouble that should be serviced.
1. Blower motor does non function
Ane of the first symptoms of a problem with the blower motor relay is a blower motor that does not function at all. As the relay is the switch that supplies current to the blower motor, if it fails internally, then ability will be cut off from the blower motor circuit, causing the motor to no longer office or blow any air from the vents.
2. Blown fuses
One of the outset symptoms of a bad or failing AC blower motor relay is a blown Air-conditioning blower motor relay circuit fuse. If the blower motor relay develops whatsoever sort of problem that hinders its power to properly limit and distribute ability, information technology may cause the blower motor fuse to blow. Whatsoever sort of electrical spikes or excessive current from a bad relay will blow the fuse and cut power in order to protect the system.
three. Melted relay
Another more serious symptom of a problem with the blower motor relay is a burned or melted relay. Relays are exposed to high current loads and can sometimes go hot when they develop problems. In serious cases, the relays may rut upwards to the betoken where the interior components and plastic housing of the relay volition begin to melt and burn - sometimes fifty-fifty causing harm to the fuse box or console every bit well.
Since the blower motor relay is essentially the switch that directly controls power to the blower motor, the unabridged Ac system will be left unable to distribute its cooled or heated air if the relay fails. For this reason, if you doubtable that your blower motor relay is having a problem, have the vehicle's AC system diagnosed past a professional technician from YourMechanic. They will be able to determine if the automobile will need a blower motor relay replacement, or a dissimilar repair, to bring full functionality back to your Ac organisation.
The statements expressed above are just for informational purposes and should be independently verified. Please meet our terms of service for more than details
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Source: https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-blower-motor-relay
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