Seal, protect and secure your trailer wire harness with this unique device. Available in 4, 6 and 7 pin configurations. Fits any trailer (boat, RV, utility, commercial, industrial). No more expensive inconvenient trailer wiring and signal light system failures. No more missed recreation opportunities or lost productivity. Your trailer lights will work every time you use your trailer! Connect-to-Protect keeps your wire harness connector free of debris, water, dirt, corrosion and secures the wire out of harm's way when your trailer is not in use. Every trailer should have one of these! 4-Pin connector - $8.99 6 or 7 Pin Connector - $14.99