Congrats on your WJ! Great model choice.
You can check using hot water, if your WJ tanks are like mine you should be able to do it without removing them.
Below is a link to a you tube video on how to do it:
2016 Windjammer 3006WK
2010 Dodge Ram 2500, 4x4, Diesel, Front Hitch, Air Lift 5000 Rear Air Bags.
Equalizer E4 1.4k/14k WD Hitch.
TST 507 TPMS
Furrion FOS48TA Observation Camera
Garmin RV-760 GPS