2005 Pt Cruiser Blower Motor Quit Working and Started Working Again
Symptoms of a Bad or Declining Blower Motor Relay
The blower motor relay is the electric 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 air-conditioning systems. Without it, the Air conditioning system will not be able to broadcast any heated or cooled air. The blower motor relay controls the current used to power the blower motor, and is subject to the constant on and off switching. Over time, it can eventually clothing out. When the blower motor relay does brainstorm to fail, the vehicle will commonly display a few symptoms that alarm the commuter of a potential problem that should exist serviced.
1. Blower motor does not office
One of the showtime symptoms of a problem with the blower motor relay is a blower motor that does not function at all. Equally the relay is the switch that supplies current to the blower motor, if it fails internally, so ability will exist cut off from the blower motor circuit, causing the motor to no longer function or blow any air from the vents.
2. Diddled fuses
One of the first symptoms of a bad or failing AC blower motor relay is a blown AC blower motor relay circuit fuse. If the blower motor relay develops whatsoever sort of problem that hinders its ability to properly limit and distribute power, information technology may cause the blower motor fuse to accident. Whatsoever sort of electrical spikes or excessive electric current from a bad relay will blow the fuse and cut power in social club to protect the system.
3. Melted relay
Some other 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 get hot when they develop problems. In serious cases, the relays may estrus up to the point where the interior components and plastic housing of the relay will begin to melt and burn - sometimes fifty-fifty causing harm to the fuse box or console as well.
Since the blower motor relay is substantially the switch that directly controls power to the blower motor, the entire Ac system will exist left unable to distribute its cooled or heated air if the relay fails. For this reason, if y'all suspect that your blower motor relay is having a trouble, have the vehicle'due south AC organization 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 unlike repair, to bring total functionality back to your Ac system.
The statements expressed higher up are only for advisory purposes and should be independently verified. Please see 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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