Towing the FF-189
Check everything you can think of before leaving the dealer. We discovered a leak in the slide out on our first trip. Dealers are generally pretty heartless once you leave, and the repair may be less than satisfactory. I tow my FF-189 FDS with a Chevy Z71 5.3L. I strongly recommend that you weigh the loaded trailer and tow vehicle before your first trip. your TV is certainly rated to tow the FF, but most of the storage space in the 189 is in the front which can result in a relatively heavy tongue weight. All cargo in the truck bed, optional equipment on the TV, passengers, gasoline, and gear of all kinds contribute to the GVWR. It's easier than you may think to exceed the GVWR. I did it with minimal gear in the FF, but with two mountain bikes, a kayak, a generator, miscellanous gear and a wife in the truck. I was okay going from virgnia to Florida (No hills to speak of.), but I had real trouble from Virginia to the Grand canyon and wound up replacing the differential($2500-ouch!).
2009 FF X-189 FDS
2011 Chevrolet Z-71 LTZ 4X4 p/u.
Reese WD hitch
Patient and understanding wife