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You would be the first person I have seen on this forum that did not like it. Couple threads on getting it dialed in and hooked up correctly. Are you having trouble with that? Look under the towing and hauling or Forscan sections. Or you can start your own thread and get direct help for the problem you are having.I went with adding the integrated trailer brake and can't say I love it. I'll probably switch to aftermarket in the Fall.
I had the highly regarded Tekonsha Prodigy on my previous Expedition as it lacked the Ford controller or the ability to add one.
The Ford controller is every bit as capable as the Prodigy, has the ability to store settings for multiple trailers, and keeps track of the miles each trailer is hooked on to the truck something the Tekonsha had no ability to do. First time I hooked the new truck to the trailer the controller notified me I had a burned out tail light or signal on the trailer (I forget which). Yeah, right, the truck knows this? Yep it did.
-- Chuck
My 17 EL has 3.73s with the HD Tow. "3L"HD Tow no longer includes 3.73 axles. At least not on the short wheelbase XLT trucks. They're a separate option. Used to include them, and they were limited slip as well, but not in 2017. No matter, the 3.31 axles and twin turbos make towing my 6000+ trailer with my '17 better than with my 5.4/3.73LS '07.
-- Chuck