Boat Trailer Wiring Harnesses | iBoats wwwts›All Products›Trailering›Boat Trailer LightsBoat Trailer Wiring Harnesses - Since 1998, iboats is the most trusted water lifestyle online store for boat parts and accessories, boats for sale, and forums. Enjoy great priced products with fast shipping.Location: 960 West LeVoy Drive, Taylorsville, 84123, UTPhone: (800) 914-1123 Amazon: wiring harness for boat trailer Amazon: wiring harness for boat trailer. ONLINE LED STORE 4-Way Flat Wishbone-Style Trailer Wiring Harness Kit [25' Male & 4' Female] [18 AWG Color Coded Wires] [SAE J1128 Rated] with 4 Flat Connector for Under or Over 80" Wide Trailers. 4.6 out of 5 stars 104. $12 $ 12. 99.