Use the supplied hardware to firmly attach the horns to the body of the vehicle. Larger horn models are heavy and will need to be attached to a structurally sound vehicle component. Whenever possible, angle your horns slightly downward to prevent water from accumulating inside the trumpets.
The Kleinn electronic solenoid switch can be operated either by your vehicle’s existing horn switch, or with an independent pushbutton switch (not included).
You can use any momentary pushbutton or rocker switch to activate your solenoid
You have now made all the electronic connections required to operate your air horn. Connect your air supply to the input fitting on the solenoid and be heard!