Used on our compact air horns and smaller train horns, this standard 12 volt chrome cylindrical air horn solenoid valve that accepts 1/4" OD airline and has 2 wires, one for 12 volt signal from the horn button, the other to ground. (Note: Wires are the same color, it doesn't matter which one goes to power and which goes to ground, as long as one has power and the other has ground, it will open). The upgrade to this solenoid is our model VX6003 which is a larger brass solenoid that can handle larger airlines.

• Electronic 12 Volt activated air solenoid