This kit enables you to add a quick-install 7 blade connector to your tow vehicle. The included harness attaches to your tow vehicle's existing wiring, and the 7 blade connector plugs into the harness. By incorporating Endurance design features into the 47210 that include oversized hinges, internal grommets for enhanced weather proofing and a lid that opens 180 degrees enables this connector is guaranteed to last for years of trouble free use. Product Features:Endurance Professional GradePre-wired for easy installUtilizes An Exterior Vehicle Frame GroundLid opens 180 degreesUltimate weatherproofingMaximum durability