RIVCO PRODUCTS Electric Horn Hardware Spyder RT EH330

Hardware kits include 30 amp relay and fuse, all model-specific pre-cut 14-gauge wiring, mounting hardware and detailed instructions (sold separately from Horn Set), The use of a 30A relay is recommended with Horn Set (not included with the horn set, but included in each wiring/mounting kit) is recommended to achieve maximum volume and protect the stock electrical system.