T-Connector, Product Type T-Connector, Connection Type 4-Way, Contact Material Tin Plated Brass, For Use With Vehicle and Trailer, Insulation Material PVC, Wire Gauge 16 ga, 18 ga, Wire Length 12 in, Features Built-In LED Lights for Troubleshooting, Ergonomic Grips Allows Easy Connection and Disconnection From Tow Vehicle, Includes Dust Cover, Grease, Standards SAE J-1239