The disconnected warning has come up twice on my '11. The first time was when the pigtail came loose in the TV bed. The second time was a puzzle until I checked the terminal box in the pin box. One of the wire nuts had fallen off from poor factory assembly. If you are plugging the pigtail in at the bumper, there may be rnough contact corrosion to require manual clean up with some sand paper .
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Dave W
2014 Montana High Country 343RL (Sold!)
2011 Ford 6.7 Lariat CCLB (Went to PU Heaven)
2019 F150SC XLT SE Sport,w/full tow package
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