Road trips are fun. You're just singing in the car with your friends, Carpool Karaoke-style, and then you hear that awful noise: a blaring horn. Former NASA engineer and current YouTuber Mark ...

Answer: I suggest you simply have someone test that horn circuit when it is not working. They will first have to determine if the signal to your horn (s) is a 12-volt signal or a ground signal.

Car horns blaring at celebratory car parades, car protests, and drive-in rallies were one of the most hopeful sounds of 2020.

They tend to be easily removed, and it's no sweat to add horns to a car's existing relays and wiring. I've even used genuine Lucas horns as an Ozzy Osbourne-themed 24 Hours of LeMons penalty.

Kosco created the FX-550, an MP3 car horn that comes complete with a head unit, amplifier and speaker that can pump sound out in excess of 100db.