WIRING MADE SIMPLE! Keep It Clean carries a full line of harness kits to relieve your wiring headaches, All kits include a Keep It Clean heavy duty 40-amp relay which are the best choice for any type of 12 volt wiring project, Their Single Pole/Double Throw design will never get stuck or short out on you, Each kit has the neccessary butt connectors terminals or crimps for your specific kit to make installation smoother quicker and easier, All wiring harnesses are feature heavy duty relay sockets to make your installation a snap! Simply plug in your 5 pin relay and your ready to go, Detailed instructions and backed by a Limited Lifetime Warranty, SKU: DSD443274