Hey Charles, what you will need is the Universal Installation Kit # ETBC7. This kit includes all of the components you will need to upgrade the 4-way on your 2010 Lincoln Navigator to a 7-way. It will have the wire to run 12v power to the 7-way which you can use to run a charge the trailers battery. view full answer...
Nope, head tilt position 4 or 5 will not make it more difficult to couple the Curt TruTrack Weight Distribution System # C17500 to your hitch ball. view full answer...