Troubleshooting Trailer Using 6-Way to 7-Way Adapter Where Brakes Are Always Locked Up | etrailer.com
6-Way Round to 7-Way RV Blade Socket Adapter
Amazon.com: CURT 57726 7-Way RV Blade Vehicle-Side to 6-Way Round Trailer Wiring Adapter with Backup Alarm, Center Pin Auxiliary Power, 1 Count (Pack of 1) : Automotive
Amazon.com: Oyviny 7 Way Y Splitter Trailer Adapter for Pulling Slide in Camper and Trailer, 7 Way Female to Dual 7 Way Male Trailer Connector 20.5 Inches : Automotive
Amazon.com: CXTM 7 RV Blade to 6 Pole Round, 6 Way to 7 Way Adapter 7-Way Blade to 6-Way Round Trailer Adapter 7 pin to 6 pin Trailer Wiring Plug Adapter : Automotive