I have Honda jazz 2005, I can't hear any sound
- Disconnect the two wire connectors from the horn.
- Connect a test lamp across these two wires.
- Switch on the ignition, and press the horn button.
- If the lamp glows while pressing the horn button, replace the horn.
If the lamp does not glow:
- Check the fuse.
- Wiring.
- Steering wheel assembly.
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