Product Details: The Phillips Rear Sill Harness is the perfect solution for tight squeezing applications. Its slim design allows for easy installation in tight spaces, while its waterproof connection ensures a reliable connection. The modules are also protected from corrosion with a special grease that prevents rust and wear. Setup and maintenance are also simple and straightforward, making this the ideal choice for any trailer harness application. FleetPride is your First Click in Heavy Duty®.