a, Universal HORN RELAY JL2A 4PIN b, Use together with car horn or car lamp c, Mostly exported to Middle East Market 1, universal HORN RELAY JL2A 4PINS or 5PINS2, use together with car horn or car lamp3, mostly exported to Middle East Market we are manufactory of auto parts,specialized in electric horn and horn relay. our company is estabalished in 1998. the company is famous car horn manufactuer ...