The harness utilizes a 40-amp fuse paired with a 40-amp relay to help protect your electrical system while ensuring stable power delivery. A 10-foot wire lead with a 4-pin male Deutsch connector provides a secure connection, while the 8-foot lead routes cleanly to the housing switch. One-foot power and ground leads include an in-line fuse and ring terminals for straightforward battery hookup. It offers true plug-and-play compatibility with the DV8 7-Inch Halo Elite Round Light with Accent Halo and the DV8 20-Inch Halo Elite Single Row Light Bar with Accent Light.