Maybe it's time to query Jayco and ask if the lights that came standard on the 2010 were eliminated or made optional on the 2012s or 13s. If not, then maybe they just didn't get installed on maclean's unit, and should be retrofitted as a warranty item. If they WERE optional, then I would ask Jayco if wiring is already in the wall for them.
2003 Ford F-350 V-10 Crew Cab 4WD Long Bed
2004 Jayco Designer Medallion 29 RLTS 5th wheel
Bill, Gayle, and Mindi (dachshund)
Retired at last !
Nothing is foolproof to a sufficiently talented fool.