Hopkin 42245 wiring diagram. Whether you are replacing the trailer connector or rewiring the entire trailer find the hopkins trailer wiring solution for. Hopkins has the solution for your vehicle wiring needs. A custom wiring harness also called a t connector is a simple plug and play electrical device that plugs into your automotive electric system and provides a standard universal trailer wiring connection. Prevent the need to rewire a vehicle or trailer.
Unplug the wiring harness and simply plug in the connector.