CJ: I bought mine back in august and am working out the kinks. I just posted the following for someone considering purchasing one, but it may apply to you also, particularly if you have the three step Mor-ryde steps installed vs the two step system (hint: the three step system is the wrong size for the 18RBM, it should be the two step system).
I just bought a 2021 18RBM. This is my second TT, so I have some experience. Pros: quality is nice, appliances are nice (Furrion). Mine has the JAYCOMMAND system in it (which I like and don’t at the same time). It pulls great compared to my single axle that I traded in. Murphy bed is nice. Cons: It only sleeps 2-3, only two comfortably (the dinette is 5’7” long, so it’s meant for littler people). The auto awning requires AC power (I confirmed that plugging in an inverter to the battery and then plugging the RV into that inverter was enough to get it to work, so boondocking is still possible). Although the 12v appliances/lights work on battery power, there are no usb or 12v outlets to change your devices while only on battery power. I’ll be installing those soon, but it’s a little annoying that Jayco seemed to have overlooked what customers want/need when boondocking. The backup camera on my particular model is only wired to receive power from the running lights, which means that I can’t use my $500 Furrion camera & monitor as a security camera. When I spoke with Jayco, the diagram they sent me indicated that there should have been another wire, but I definitely didn’t see one. HERES A BIG ONE: The wrong entry steps were installed! Jayco has been using the newly designed steps (brand: Mor-ryde) that store inside the door, and fold out with adjustable feet for in level ground. Before I left the lot I couldn’t seem to close the door with the steps down. I realized that throughout the selling process that I never saw the door closed while the steps were down. So before I left, one of the sales people insisted that it was a matter of finding level ground. I reluctantly left, only to discover that it wasn’t a ground issue... Jayco was installing the three step system designed for much higher threshold heights instead of the two step system recommended by the manufacturer (per the Mor-ryde fitment guide). I drove it right back the next day and said it wasn’t leaving the dealership until it had the two step system installed, whether or not I had to pay for it. They ended up putting in the two step system that day for free. Now about JAYCOMMAND (the BM Pro type): it’s awesome when you’re not worried about electricity, but I discovered that it’s wired to the hot battery and is still powered, even with the battery disconnect key removed, which defeats the whole purpose of a battery disconnect! I’ll either be altering the wiring so the disconnect works like it should, or installing another battery disconnect near the batteries (I also installed a second battery in parallel). Most dealer websites that I’ve seen have 18RBMs that don’t have the JAYCOMMAND, so you won’t really have to worry about that. However, most of them do have the three step system, so if you check one out in person, be sure to close the door with the steps down, and do t let them tell you you can’t close it because it’s not on level ground. You will often be camping on ground that may not be level, which is why these have adjustable feet, however they have to be lowered enough to allow the door to close (look closely at the pictures.. the door will either be open, or they had to position the RV in a way that the doors could close).
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