Why Should You Run A SonarPros Dedicate Harness? 100% Plug & Play - The SonarPros premium harness comes pre-wired with your graph manufactures power plug or our DIY Lightning Connector! Making install a breeze with a plug/play approach Dedicated Fuses - The harness supplies dedicated & labeled fuses per graph source in your system. Providing the most reliable surge protection on the market. Dedicated Power/Ground - SonarPros Harness supplies dedicated power/ground to each graph in your system individually. Ensuring your graphs have the most efficient power supply and fuse protection Nylon Coating - Harness offers and additional level of protection via a nylon sheathing. This material is also low friction making rigging a breeze! Waterproof Connections - We utilize 100% waterproof connections from the ring terminals, to internal fuse assembly, and finally at the graph power plug connection. Ensuring your dedicated system has the most reliable connection under the toughest conditions! Marine Grade - In conjunction with the soldered connections we use all marine grade heat shrink tubing that makes a 100% water tight bond at the electrical connections. Ensuring your harness is never compromised! USA Product! - Sonar Pros Premium Harness is 100% Engineered and Assembled in the USA Single Ring Terminals - SonarPros Harness includes single ring terminals for power/ground connections. Resulting in an easy installation process and reducing cluttered terminals!