2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping
Trace the wires...I'm willing to bet I'm right. From my experience, dealerships are about 30% correct, 30% not sure, and 40% full of it. It's definitely not going to hurt to get in the habit of making sure it's on when in use in either case.
2012 Chevy Tahoe LTZ - HD tow package
2017 Rockwood 2703WS Emerald Edition