Yes! The adapter you need is the 7-Way Vehicle Power Adapter w/ Power Switch for Furrion RV Observation Camera # FR87PR. This adapter was recently manufactured to work with your Furrion system like the # FCE48TASL-05 with your 2021 Silverado. The adapter works with your current 7-way in order to make the Furrion system function properly. view full answer...
The Replacement Manual Crank Handle for Lippert Components 5th Wheel RV Landing Gear # LC119226 is what you are looking for and will allow you to retract them manually.
Included is a video resource to help. view full answer...