Note: Always check the condition of the fuses first.
1. Disconnect the electrical wiring from the horn.
2. To check the horn's proper functioning, apply battery voltage to one of its terminals. Ground the other terminal (use jumper wires). If the horn does not sound, replace it, otherwise check the condition of the switch, relay and connecting wiring.
3. To replace, disconnect the electrical wiring from the horn and unscrew the support bracket bolt.
4. Installation is carried out in reverse order.