Amazon.com: MaxxHaul 70086 7-Way Round to 4-Way Flat Trailer Plug Adaptor with 18 Inch Flexible Cable Which Extends To 36 Inches , Red : Automotive
Bass Pro Shops Trailer Wiring Adapters | Bass Pro Shops
Reese Adapter 7 Way Round to 4 Way Flat in the Trailer Parts & Accessories department at Lowes.com
TowSmart 7-Way Blade to 4 or 5-Way Flat Trailer Light Wiring Adapter 1426 - The Home Depot
Trailer Plug Adapter
Amazon.com: Tallew 2 Pack 7 Pin to 4 Pin Trailer Light Adapter with Mounting Bracket 7 Way to 4 Way Round RV Blade Trailer Wiring Adapter for Car Truck Towing Solutions : Automotive
4 to 4-Way Round-to-Flat Trailer Plug Adapter | West Marine
Amazon.com: Trailer Plug Adapters 7 Pin to 4 and 5 Flat Blade Trailer Connector for Trailer Tow Hitch, Weatherproof : Automotive