In order to remove the old adhesive you might find it easier to heat the glue first and then try a combination of scraping or products such as rubber alcohol. Once gone, you can then apply the ThermaHeat RV Holding Tank or Step Heater Pad part # 277-000163. It's best to remove as much excess glue as possibly so the unit can attach securely and preform as intended.
I have attached for you below our full selection of pad heaters. view full answer...
The universal nature of the Triple LED Trailer Tail Light # CE44VR would allow it to easily fit your 2019 Jayco Redhawk. This would fit and work well on your motorhome. view full answer...
The Lippert Ground Control 3.0 Electric 5th Wheel RV Leveling System w Touchpad and Remote - 4-Point Set # LC358590 is designed for 5th wheel trailers with a GVWR up to 15,500 lbs. That being said, there should be no reason you could not install and use this on your 2021 Jayco Redhawk Motorhome as long as you do not exceed the GVWR.
For installation, the rear jacks install on 8", 10", or 12" frames with the included mounting brackets, and the front landing gear uses existing mounting... view full answer...