Pontoon Boat Wiring Harness | PontoonStuff Ready to install pontoon boat wiring harness for pontoon boats up to 28'. Our universal pontoon boat wiring harness plugs directly into our switch panel or your existing electrical accessories. Wire runs are correctly gauged to the usual amp draw for each pontoon boat 4.8/5(11)Price: $99Brand: Pontoon Boat Lights pontoon boat wiring harness | eBay Save pontoon boat wiring harness to get e-mail alerts and updates on your eBay Feed. + Items in search results. SPONSORED. 1 product rating - 4X Ultra Blue LED Boat Light Deck Courtesy Bow Trailer Pontoon 12V Waterproof. $4. From China. Trending at $3 Trending price is based on prices over last 90 days. or Best Offer. Free Shipping.