Navistar SMR38585 2-Way Dual Pole Plug This 2-way/dual pole plug with spring guard offers you a better way to ensure sound separate power and ground electrical connections between a power source and tailgate. These tough new plugs when teamed up with matching sockets put up a hefty fight against corrosion and harsh handling. This plug assembly comes with one positive and one negative pole and terminals that accept a 4 ga. cable. It is also capable of providing a continuous duty capacity of 200 amps. This PARTSMART line-up of newly designed power cable connector plugs & sockets are: 1) Built for rugged use, tough handling and one hand connection. 2) O-ring sealed between the front and back of the housing for better sealing against the weather, water, and road grime and for providing superior corrosion resistance. 3) Constructed with tighter tolerances for a good secure electrical connection and fit to all makes. 4) Hefty and capable of carrying more current to more places. This plug features a spring guard protective shield at the base of the plug to provide added protection of the power cable from on going wear and tear. When purchasing this power cable plug consider adding the matching socket PARTSMART part # SMR38586 to your shopping cart.