What Causes a Car Horn to Stop Working?

1 Answers
DelAugust
07/29/25 9:09am
Car horn failure can be attributed to the following reasons: Contact Point Erosion: Prolonged horn usage can easily cause erosion of the horn's contact points, creating impedance that reduces the current flowing through the electromagnetic coil. This prevents the armature from effectively vibrating the diaphragm, resulting in a hoarse sound or complete silence. Moisture Due to Poor Sealing: While car horns are generally well-sealed, this sealing capability diminishes over time. During interior cleaning, special attention should be paid to the horn's location to prevent moisture ingress, which can lead to dampness affecting the horn's performance.
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