REESE Towpower 74607 7-Way Trailer Wiring Adapter, 7-Pole

This particular adapter is designed to convert a 7-way round blade connector to 4-way flat trailer connector. It's the fastest and easiest way to make electrical connections when pulling a trailer that has a different wiring configuration than the vehicle. The rugged construction will offer years of trouble-free service and the compact design allows for convenient storage when not in being used to pull a trailer. Instant plug in installation. Non-corrosive thermoplastic construction. Features non-corroding brass contacts. Compatible with plastic or metal connectors.