Amazon.com: Oyviny 5 Way Flat Trailer Wiring Harness Plug with 22 inch Wire Lead Trailer End Durable 5 Pin Male Connector Trailer Light Wiring Harness Extension for Trailer RV Boat Color-Coded Waterproof :
Wesbar Trailer Wiring Connector 4-Way Flat Trailer End 35 ft Length Wire | eBay
CURT 4-Way Flat Connector Dust Cover (Vehicle Side) 58200 - The Home Depot
MaxxHaul 70086 7-way Round To 4-way Flat Trailer Plug Adaptor with 18-in Flexible Cable Which Extends To 36-in in the Trailer Parts & Accessories department at Lowes.com
CXTM 7 Way Blade to 4 Way Flat Trailer Connector Single-Function Wiring Adapter, 7 pin to 4 pin Trailer Adapter - Yahoo Shopping
5-Flat Trailer End Connector, 4' Wishbone Harness, 4' Ground, 4' Auxiliary | West Marine