Car horns are often used when driving, if the speaker fails, it will be very inconvenient to drive.
Let’s take a look at how the speakers work. When you press the steering wheel or other position of the horn button, the current from beiben V3 battery accessories will flow to the electromagnetic coil horn relay through the loop, the movable contact switch electromagnetic coil attract relay, the current will flow a speaker. The electric current causes the electromagnet in the horn to work, so that the vibrating membrane can vibrate and sound.
In many of the speakers of the fault, the problem is often the speaker itself fault. In particular, some of the design of the car horn installation position is flawed, it is easy to make the horn in the rain when the rain is wet, causing damage to the horn. When the speaker does not ring, the common fault location is nothing more than 3 points, that is, the speaker itself, speaker switch contacts and speaker wiring harness, when the failure can refer to the following steps.
(1) sometimes do not ring the horn switch, if the speaker sometimes ring, and sometimes do not ring, the speaker is more than the internal contact switch is not good, some of the speakers themselves.
(2) hoarse voice is due to poor contact plug, especially around the steering wheel contact, due to frequent use, easy to make contact wear.
(3) do not ring the first check fuse to see whether the fuse, and then pull off the North Ben V3 accessories speaker plug, with multimeter to measure the horn switch when there is electricity. If there is no electricity, should check the horn wire harness and beiben V3 accessories electric horn relay; if it is, the horn itself, you can also try to adjust the speaker on the adjusting nut to see whether it can sound, if you still don’t ring, you need to replace the horn.