Ciro Rear End 4 Pin Lighting Y Splitter For Harley Touring Two small y-splitters that are used to expand Ciro rear lighting products with a 4-wire system. They are included with products that are sold without a controller. Use Y connectors to reduce the amount of wires under the seat area when more than one Ciro rear end lighting product is installed. Features Two Y connectors Reduce the amount of wires under the seat area when more than one Ciro rear end lighting product is installed 3-year manufacturer's warranty Limited lifetime warranty on the LED's