Reese Towpower 7-Blade to 4/5-Flat Plug-In Adapter

This adapter allows connection of either 4 or 5-way flat trailer plug to vehicles with 7-way receptacles. It is designed for use with boat and utility trailers with certain hydraulic surge brakes and /or backup lights. Designed for use with boat and utility trailers. For use with hydraulic surge brakes and/or back up lights. Compatible with plastic or metal connectors. Features non corroding brass contacts.