Electronic snail speakers are one of the most popular types of speakers, with relatively good sound quality and being popular among most people. Therefore, many people install this type of speaker in their cars, which has received high praise from most users. However, although many people are using this type of speaker, few know how it works. Next, the editor will popularize it for everyone!

The electronic snail horn is a device frequently used while driving. If the horn malfunctions, it can be very inconvenient while driving. Sometimes when I honk my horn, the sound is either mosquito like, hoarse, or even completely silent. To understand the cause of this phenomenon, we should first understand how electronic snail speakers work. When the horn button on the steering wheel or other positions is pressed, the current from the battery will flow through the circuit to the electromagnetic coil of the horn relay. The electromagnetic coil will attract the dynamic contact switch of the relay to close, and the current will flow to the horn. The current causes the electromagnet inside the horn to work, causing the diaphragm to vibrate and produce sound.
Based on the author's experience, in many cases of speaker malfunctions, the problem often arises from the speaker itself. Especially for some car designs, there are defects in the installation position of the horn, which can easily cause damage to the horn when it rains. When the horn does not sound, there are three common fault areas, namely the horn itself, the horn switch contacts, and the horn harness. When a fault occurs, you can refer to the following steps for inspection.
(1) Sometimes the horn switch does not sound. If the horn sometimes sounds and sometimes does not sound, it is mostly due to poor contact between the internal contacts of the horn switch, and some are also problems with the horn itself.
(2) The hoarse sound is often caused by poor contact of the plug, especially the various contacts around the steering wheel. Due to frequent use, the contacts are prone to wear and tear.
(3) If it doesn't sound at all, first check if the fuse is blown, then unplug the horn plug and use a multimeter to measure if there is power at this point when pressing the horn switch. If there is no electricity, check the horn harness and horn relay; If there is electricity, it is a problem with the horn itself. At this time, you can also try adjusting the adjusting nut on the horn to see if it can produce sound. If it still does not produce sound, the horn needs to be replaced.
 
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