4 Pin Flat Trailer Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25' Male & 4' Female] [18 AWG Color Coded Wires] 4 Way Flat 5 Wire Harness For Utility Boat Trailer Lights
Reese Insta-Plug Kit 4 Wire Flat in the Trailer Parts & Accessories department at Lowes.com
CURT 4-Way Flat Connector Plug with 48" Wires (Trailer Side, Packaged) 58348 - The Home Depot
Amazon.com: 4-Way Flat Trailer Connector with Snap Self-Closing Lid Cover Heavy-Duty 12V 4-pin Trailer Tow Wire Harness Socket Kit with 7.8" Wires Road Tough WeatherLock : Automotive
Amazon.com: MICTUNING Trailer Wiring Harness Extension Kit - 4 Pin 25 Feet Male and 6 Feet Female Connector, 18 AWG Color Coded 4-Way Flat Wires for Under or Over 80 Inches Wide Trailers : Automotive