This trim switch wiring harness is a must-have for any boat owner who wants to keep their boat running smoothly. It is designed specifically for Mercury outboard engines and is an essential part of your boat's trim and tilt system. With this wiring harness, you can be sure that your trim and tilt system will be reliable and easy to use. It is made from high-quality materials and is built to last, so you can be confident that it will withstand the rigors of all types of weather and usage. Whether you're a seasoned boater or just starting out, this trim switch wiring harness is a great addition to your boat's equipment.