Get your semi truck Ready for the Road Ahead with an efficient seal of two separate wires, with the Primatronics 16-14 Gauge Vinyl Butt Connector. By utilizing a secure design that acts as both a connector and sealant, this replacement device is able to merge two wires together underneath a waterproof seal. Built with color-coded designs for easy identification. FleetPride is your First Click in Heavy Duty .