The USA-PLUS™ System has the most advanced molded harness connectorization available in the marketplace. Can accommodate up to ten separate circuits in one system. Extra circuits can be assigned to any function. Electrical integrity is enhanced by the use of terminals with greater contact surface area. Features integral interior "O-ring" style seal and secondary lock pin of contrasting color which assures complete sealing engagement. Keyed terminal orientation assures correct mating. The USA-PLUS™ harness system is field-proven with over ten years of service. (Patent No. US 6,319,039 and 10,014,631)