Husky 13215 7-Way 12" Epoxy Sealed Pre-Wired Blade Connector All wires and terminals are encapsulated with epoxy to form a weather tight, non-corrosive seal 4-way flat connector plugs directly into existing 4-way flat connector on vehicle Heavy duty harness consists of 10 gauge wires for the battery and ground, 12 gauge for auxiliary, and molded 4-way flat connector with 14 gauge wires Nickel plated pins for corrosion resistance 12 inches car end only