Why does the car horn sound muffled?

1 Answers
SanGideon
07/29/25 5:14pm
There are several reasons why a car horn may sound muffled: 1. Insufficient battery power; 2. Loose mounting bracket of the horn; 3. Poor contact in the horn's power plug; 4. Water damage to the car horn, etc. Methods to check for a muffled car horn sound include: 1. Run a wire directly from the positive terminal of the battery to the horn's live wire terminal, then press the horn button. If the sound becomes louder, it indicates that the battery and its wiring connections are good, and the fault lies within the horn itself, possibly due to contact point erosion. 2. If the sound remains weak after inspection, it may be due to significant battery discharge or poor wiring connections. Turn on the high beam of the headlights; if the light is strong, it indicates the battery is in good condition, otherwise, the battery may be significantly discharged.
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