Amazon.com: CXTM 7 Pin to 6 Pin Trailer Adapter, 10 FT RV 7 to 6 Trailer Wire Kit, 7-Wire to 6-Wire Coiled Cable with Female Receptor Trailer Adapter Stretches to 10 ft : Automotive
CURT 6-Way Square Connector Plug with 12" Wires (Trailer Side, Packaged) 58037 - The Home Depot