Utilized in conjunction with their wiring harness systems, the Sea Clear Power In-Line Corrosion Resistant Fuse Holder is a must have accessory when updating your boats power supply. Sea Clear found that factory fuse holders from graph manufactures are often responsible for causing poor image quality on some boats. The Sea Clear fuse holder utilizes upgraded wires, connects and components to deliver reliable and stable power supply to your graphs, delivering top performance. Sea Clear recommends each graph utilize its own fuse holder for installation.