I'm Mike Sokol from the No~Shock~Zone and RVelectricity.com. I designed this solution for floating neutral generators around 10 years ago, and Progressive has a video of me demonstrating it as a solution for this problem with their EMS products. See
Here's an update to my original No~Shock~Zone article on this topic which shows you how to make your own G-N bonding plug or where you can purchase one:
https://www.rvtravel.com/rv-electric...onding-basics/