Newbie with a Jayco 23B

I found a connection under the tongue that went to the battery was unplugged. Hoped that was the issue, but eventually found out it was not. I have not had a chance to do more digging. As soon as I can get a day when I am off an dno rain I am going to start trouble shooting some more.

So OP did you find the problem? Enquiring minds want to know!

There is a fuse in the line from the battery right near the terminal connection. It is a standard automotive fuse - I don't remember the amps. Mine burned out for no apparent reason. Took some testing to find that darn fuse, but replacing it solved the problem.

Go to your battery. In the wiring harness coming from your battery there should be a 20 or 30 amp blade fuse. This fuse isolates the battery and prevents battery drain by the parasitic loads. If the fuse is blown or removed no power will reach the coach,nor will the battery charge without it.

If the battery was connected to the trailer for a couple of weeks without 110v power applied the battery is dead. Parasitic electrical loads like the LP leak detector and radio siphon power all the time. Install a switch or disconnect the battery between trips.

-- Chuck

We have a 2005 23B

If the battery is charged, check the fuse connected to the battery. I hate to say that I have had to change many of those. Ooops!
The breakers are at the floor under the bed behind the bathroom. Yep, I've flipped a few of those, too.
After that, I guess I'd check the battery converter. I'm not going to push my luck on that....
I've never seen a reset anywhere on our frame and we've been using it since we got it in 2005.

as was said, you need to check the battery monitor when it's NOT plugged in to shore power. if it's plugged in, it will always show full.
second, you need to give us more specific info. if none of the 12v items are working and you tested the battery with a voltmeter, then the 12v resettable fuse/breaker under the trailer's A-frame, was probably tripped when the battery was installed.

this happens when the wires are hooked up backwards.

darlingtontrio wrote:
Well not to defend the one I bought mine from, but they did walk me through it. They showed me how to open the ends, how to work the basic essentials. I did get some knowledge from the guy who showed me what he did. I do have to learn how to light the pilot light and some of the other essentials. I am sure there is allot more he could have shown me. Allot of the basics I already knew. I grew up during the summer months traveling with my grandparents and helping them set up where I could. I can tell I am going to get allot out of this site.

Good to hear you did have a walk through. I realize it is difficult to remember all the stuff they show you. You are not the only one that forgets though. I drove my MH out of the lot and even though I had RVs for years there was a whole lot of new stuff I had never seen before. Like Oh, I have to have the engine off to raise the front shade. :B

If you are plugged in to 110, the battery test button inside the camper will always read as full.
It most likely sat on the lot and the battery was run down in the first month.
Hopefully now that you had it plugged in for a week, the lights will work for you.

The lights, water pump, and the fan should work on the battery as well as the fridge as long as you have propane for it. The microwave and AC are 110 only. Sometimes the GFI is popped on one if the outlets (if a 01 has such) which kills the rest of the outlets, but the lights should still work. Do check the breakers if you haven't.