LEDGlow | 7-Pin to Flat 4-Pin Truck Tailgate Trailer Adapter
Hopkins 7 Blade to 6 Pole Round Adapter
7 To 7 Trailer Light Converter Towing Trailer Connector Parts Usa To Eu 7-pin Blade Socket 7-way Stop/brake Signal Separating - Switches & Relays - AliExpress
Ark 7 Pin Large Round To 7 Pin Flat Trailer Adaptor - Bunnings Australia
Reese Connector 7 Way Plastic Trailer End in the Trailer Parts & Accessories department at Lowes.com
4 to 4-Way Round-to-Flat Trailer Plug Adapter | West Marine
Amazon.com: OPT7 7 Pin to 4 Pin Trailer Adapter with Secure Tab, 7 Way Blade to 4 Way Flat Trailer Light Adapter, Connecter for Trailer Tow Hitch and Redline LED Tailgate Light Bar : Automotive