Another wiring reversal
I had the same issue on our 2013 EAGLE 284BHS when we first picked it up in Indiana. I plugged in our 12VDC Coleman Cooler/Heater box that we keep in the truck when traveling and after about an hour I went to check to to see how cold it was and it was WARM inside. Checked the plug to insure that I had the proper selection for COLD, which I did. I then pulled the old Volt/Ohm meter and the connections were reversed in the accessory jack. I switched the wires in the jack and the cooler worked as expected after that. Glad I went to hook the cooler up the day before leaving.
Probably the same person that put all the stickers on the TT did the electrical connection. Not a single sticker is level!!!
2013 Jayco Eagle 284BHS
250Watt Grape Solar Panel, MorningStar MPPT 60 Charge Controller
1500 Watt Ramsond PSI, 2 Trojan T145 Batteries (260Ah)
2 - AirSight Wireless IP Cameras (used as rear view cameras)
EnGenius WI-FI extender, D-Link wireless (n) modem
MagicJack Internet Phone
2012 Ford F150XLT, EcoBoost w/3.73
157" Wheel base, HD Towing Package
Our Solar Album http://www.jaycoowners.com/album.php?albumid=329