If only they were available in 2021. 
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I know the BS only has a 4-pin because of the tow rating, but it’s hard to find any trailer—even within the BS’s tow limits—that doesn’t come with 7-pin connectors standard.Im itching to try one of those 7 pin Maverick harnesses
Thanks, there sure is a lot to think about.Check out the Autowbrake, mentioned in the Maverick forum: https://www.mavericktruckclub.com/forum/threads/hybrid-maverick-towing-how-to-convert-4-pin-to-7-pin-with-a-brake-controller-no-truck-alterations-required.34476/