We have a newer TT and it has a control center for all your stuff from TV to water. The 5ers have had this for some time. My problem is with the water. The hookup has a knurled round fitting the you ...
I have the same hook up as you on our 2019 Jayco. I use those short (maybe 8") hose with the wire around to keep from kinking. I screw that on first by holding the nut and screwing the short hose into it.That the best way I've came up with and haven't had any problem with leaking.Haven't had any problem attaching the quick connect hose (blue coil hose) on mine the couple time I've used it.