18-20 Pontoon Boat Under Deck LED Lights | Includes Harness & Mounting Track

New 18 - 20 Feet Pontoon Boat Under Deck LED Lights 100% Waterproof IP 68. Step 3 - Wire Harness Routing Your underdeck wiring harness is shaped like a large letter V . The base of the V connects to your helm wiring. The tips of the V plug directly into the plugs on the ends of your underdeck lights. Important: One of the leads on your underdeck harness is longer than the other. Use this one for your port side light. Route your underdeck wiring harness along the top of your pontoon with other boat wiring. Run across the width of your pontoon boat with other wiring and a cross channel. Secure your underdeck wiring at least every 18 . Make sure the harness will not become snagged by a trailer or other obstacles that travel under your boat.. Step 1 - Mounting strip installation The best location to install your under-deck lights will be on the bottom of your pontoon deck with the light facing down. Lay out half of your mounting channel on each side of your boat. Measure your lights for their exact length an