A newbee question: At some point in the next few months we intend to buy a FGRV of perhaps 16-17 ft, up to 3500# gross wt. If the right one comes along and time is of the essence, I want my tow vehicle (2016 Toyota Highlander, 3.5L, factory installed hitch/tow package rated 5000#) prepared to accept an electric brake control and trailer battery
charger circuit. The hitch now has only the 4-in-line brake/running light
connector socket. Are the connector sockets for brake controllers and charging circuit universal for trailers of that size? among other considerations, I understand that the hitch ball height must be compatible, but that's a quicker fix.
Thanks in advance for your comments,
Mike & Mary