Contents: Constant control ⬇ The horn does not work ⬇
Constant control
When the ignition is on and the horn contact on the steering wheel is pressed, the horn or, in the "best" configuration, the horns with a double horn should sound. To protect the horn contacts, a relay is connected between them. The relay is constantly supplied with voltage from terminal 30. In order for the horn to sound, the connection to ground is closed through the horn contact.
The horn does not work
Raise and secure the vehicle.
Unscrew the horn or dual horn horns on the lower right side of the vehicle (under the bumper) from the brackets and disconnect the wire connectors.
Connect an auxiliary wire to each plug connection and connect them to the positive or negative terminal of the battery, respectively.
If there is no sound, the horn is faulty.
Horns with double sound signal (arrows). After unscrewing from fasteners (arrows) and disconnecting wires (arrows), the mounting screws become accessible (under the filling mass).
If the tone is raspy or the horn is completely silent, it can sometimes be made to sound or brought back to life by turning the set screw on the back of the horn.
Open the screw under the filling compound.
After adjustment, seal the screw again with body sealing compound to ensure watertightness.
Tip: Additional fanfare or powerful sound horns need a switching relay. Otherwise, the horn contacts are subject to excessive load, and the horns will not sound at full volume. Buy a set of horn signals with a relay. It also includes installation instructions with a switching diagram.
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