Feature:1. Practical Design: The wiring harness relay kit control the horn through the relay to realize the control of the large current horn by the small current circuit of the original car, can solve the problem that the large current horn cannot work normally after being replaced.2. Plug and Play Installation: Clear labeled connectors make installation a breeze, no cutting or splicing required for a quick and convenient setup, saving your time and effort.3. Premium Material: The relay is made with copper coil and silver plated contacting point, sealed with rubber for stability and extended lifespan. And the connectors and heat shrinkable tubing ensure stable connections, can withstand vibration.4. Multifunctional Design: The relay harness kit includes 80A relay, 30A fuze, 1.95m positive wire (with threaded tubing), 18 AWG wire, and various connectors, making your repair or maintenance task more convenient.5. Versatile Application: The speaker wiring harness relay kit is suitable for almost all vehicles including cars, trucks, SUVs, motorcycles, ATVs, RVs, buses, and more, catering various needs.Specification:Item Type: Horn Wiring Harness Relay KitApplication: Installation of relay in horn circuit to control large current horn with small current relay, to solve the problem that the large current horn cannot work normally after being replaced.Usually there is a relay in the car fuze box, no need to install additional relay. Motorcycle needs to add a relay when converting single horn to dual horns..Package List:1 x Horn Wiring Harness Relay Kit