Why Has the Car Horn Changed Its Sound?

1 Answers
MacCassandra
07/30/25 7:59am
There are two possible scenarios when a car horn changes its sound: 1. The change in sound is caused by issues with the horn itself, poor contact at the horn switch, or insufficient wiring harness. 2. The change in sound is due to insufficient air caused by internal frost buildup in the air pipe. Introduction to Car Horns: 1. How a car horn works. When the horn button on the steering wheel or another location is pressed, current from the battery flows through the circuit to the electromagnetic coil of the horn relay. The electromagnetic coil attracts the moving contact switch of the relay to close, allowing current to flow to the horn. The current activates the electromagnet inside the horn, causing the diaphragm to vibrate and produce sound.
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