Symptoms of a Bad or Failing Horn Relay

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The horn relay is the electronic component that is a part of the vehicle’s horn circuit. It serves as the relay that controls power to the vehicle’s horn. When current is applied to the relay, the horn’s power circuit is completed, allowing the horn to function and ring. Most relays are located in the fuse box underneath the hood. When the relay fails it can leave the vehicle without a functioning horn. Usually a faulty horn relay will produce a few symptoms that can alert the driver of a potential issue.

1. Non-functioning horn

One of the first symptoms of an issue with the horn relay is a non-functioning horn. The horn relay is one of the components responsible for delivering power to the horn circuit. If the relay fails it will leave the horn without any power to function.

2. Clicking sound from the relay

Another symptom of a potential issue with the horn relay is a clicking sound from underneath the hood. A shorted or faulty relay may cause the component to produce a clicking sound when the hood button is pressed. The clicking sound may be a sign that the relay has failed internally, and may also render the horn unuseable.

2. Burning smell from underneath the hood

A burning smell from horn relay is another common symptom of an issue with the relay. If the relay burns out, which is not uncommon, it will produce a burning smell. In more severe cases may even result in the relay burning or melting. The relay will have to be replaced in order for the horn to be returned to full functionality.

As with any electrical component on a vehicle the horn relay can eventually fail and cause issues. If you suspect that your vehicle’s horn relay may be having an issue, have the vehicle inspected by a professional technician, such as one from YourMechanic, to determine if the relay should be replaced.


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Arturo

25 years of experience
42 reviews
Arturo
25 years of experience
Volkswagen Tiguan - Brake Pads Replacement (Rear) - La Jolla, California
Arturo was efficient and extremely professional. I'll refer him to friends and family and call him for any issues related to my car. I am very happy with the service!
Kia Forte - Brake Pads Replacement (Front) - San Diego, California
ARTURO is great! very professional , fast, replaced my front brake pads and oil an filter change. everything now works and works well. Brakes have much improved stopping power and engine is smooth and quiet.Arturo is also kind and thoughtful. "Your mechanic" is very fortunate to have Arturo Lopez represent your company. I enthusiastically recommend him and "Your mechanic> as a fine operation Best regards to the Team Peter Marto

Travis

11 years of experience
312 reviews
Travis
11 years of experience
Ford Explorer Sport Trac - Brake Pads Replacement (Rear) - Minneapolis, Minnesota
Travis is great! This is the second time he has come and serviced our truck. I recommend Travis for any service ned you may have!
Subaru Forester - Brake Pads Replacement (Front, Rear) - Rosemount, Minnesota
Thank you Travis for your fast, easy, honest work on my vehicle today!! The first thing you did upon arrival to my home was find me a discount coupon for $50 off my service estimate. You did only what needed to be done in record time. You not only saved me lots of money, but did things in a profession manner. I've been looking for an honest auto mechanic for my whole life and would love for you to be it!! Thank you, thank you, thank you!! You're the best!!!

Scott

32 years of experience
346 reviews
Scott
32 years of experience
Hyundai Sonata - Brake Pads Replacement (Front, Rear) - Denver, Colorado
Arrived on time and worked quickly. Gave me detailed information on his completed work and the details of my car. Answered all of my questions thoroughly.
Lexus IS250 - Brake Pads Replacement (Rear) - Denver, Colorado
Always on time, speedy, professional, and pleasant to interact with. The work is always consistent and we'll done. I can't reccomend Scott highly enough!

Nicholas

9 years of experience
251 reviews
Nicholas
9 years of experience
Lexus GX470 - Brake Pads Replacement (Rear) - Clayton, North Carolina
Nicholas texted me 30 minutes prior to arrival. Showed up on time as scheduled. He confirmed the work that I requested be performed. He completed the work, performed the road tested, and delivered my keys along with recommendations of other work that might be in my best interest. Was very pleasant, professional, and cleaned up after he was done. I was so impressed with the service he performed and the speed at which the services were completed. I have already scheduled a future service with Nicholas and will schedule any and all future repairs with him if he is available.

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