Reese Towpower 7-Blade to 4-Flat Plug-In Adapter with Circuit Tester

This adapter is designed to convert a 7-way blade connector to 4-way flat trailer connector and comes with a 4-flat tester. It is 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. Circuit tester included with adapter. Instant plug in installation. Non-corrosion thermoplastic construction. Features non-corroding brass pins.