23404450 - 7-Pin to 4-Pin Trailer Wiring Adapter - 2015-2022 GM | Les Stanford Genuine Parts
7 Way Harness Adapter Dodge to GM Ford OEM 7 Pin Adaptor - The Trailer Shoppe
Amazon.com: Oyviny Replacement USCAR to 7 Way RV Blade Trailer Connector for Chevy, Ford, GMC and Nissan, Silverado Trailer Plug, Factory Tow Package and USCAR Socket Required : Automotive