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Is a car horn electric?

My car horn has been sounding kind of weak recently. I’m not sure if it’s a wiring issue or if there’s something else going on. Can you tell me if a car horn is actually electric?

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Elaine Duvet · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Oh no! It’s great that you’ve noticed the unusual tone so early on. It could be a faulty horn relay or a bad horn switch. It could also be, as you mentioned, a wiring problem.
Here’s what we know about how car horns are powered:
  • Car horns operate on the principle of a vibrating metal diaphragm and consist of a slim metal disc composed of spring steel and an electromagnet.
  • Electrically driven, the electromagnet (the solenoid) puts out a magnetic force on the disc causing it to flex.
  • When you honk your horn, you’re essentially sending electricity from the battery to the horn. The completed circuit sends electricity through a wire connected to the car’s body.
Now that you know more about the inner workings of a car horn, you can feel confident consulting with a professional. Make sure you also feel comfortable when you’re on the open road with the best
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