Universal Golf Cart 12 Volt Horn Kit - Ezgo, Club Car, Yamaha Our horn has adjustable volume settings for the reckless or slower drivers. Adjustable Volume 12 volt chrome horn. Wires are not included and horn is for 12 volt application only. (1) Chrome Horn, (1) Horn Button, (2) Rivets for Mounting Horn to Chassis Fits the Following Cart(s): Universal mount for anything that has 12 volts.