Amazon.com: Oyviny 7 Way Round to 4 Way Flat Coiled Trailer Adapter 5ft 7 Pin to 4 Pin Coiled Pigtail with Dust Cover Stretchable Coiled Extension Wiring 60 inches(Black) : Automotive
Amazon.com: Rain King 4 Pin to 7 Pin Trailer Light Adapter Reverse Plug Electrical Connector with Mounting Bracket for Car Truck Rv Trailer Light Plug Wire Harness Converter Adapter : Automotive
Seven-Way Blade to 4-Way Flat Trailer Adapter
Nite-Glow™ 7-Pin to 4-Pin Trailer Light Adapter | West Marine
7 Pin To 4 Pin Trailer Light Converter Wire Adapter EU Round Socket To US Flat & | eBay
Reese Adapter 7 Way Round to 4 Way Flat in the Trailer Parts & Accessories department at Lowes.com
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