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Our 2023 is the same, and we were surprised to see it in the middle of the compartment, especially after seeing older models with the vacuum formed tray in there. But I suspect it is to ease the cable angle as much as to prevent using the bay for storage. Our TP and paper towels get stored in there.

I don't mean to overwhelm you. While you are under the Oliver looking at the shocks, Pay close attention the leaf springs. Look to make sure the leafs are not sitting flat on one end or the other and/or over-sprung. If they are it could cause the shocks to wear out prematurely. If they are there is a huge topic on leaf springs ( more like a book). Remember to just take one thing at a time, you have an older trailer, but is built to last. There is a ton of information on this website, and people that care about there Olivers. Happy Travels.

Yes, I saw all of the glowing reviews six years ago when I did my upgrade to lithium batteries. Back then Oliver had just introduced their lithium trailer and there weren’t many choices for lithium batteries. Battle Born was the gold standard then. This goes to show that lab testing has little resemblance to real world life testing day in and day out over the years. Even now and with most things we buy, we do our homework and research the best we can and select the best option. I’m not too upset with the way this has turned out. These batteries have traveled many miles in six years and have been well used all without any maintenance. We on average spend four months out of the year in our trailer every year, in 2025 it was six months. We are ready for the next chapter!

I had 3 BB 100’s in use for 5 years, worked great, no problems. I was getting increasingly paranoid about my family safety, so I sold them on Facebook Marketplace for $150 each. I tested each one and made sure the buyer was fully informed of the issues. He was aware, but was looking for a bargain and willing to take his chances. I could perhaps have gotten a higher price, but my conscience kept me from being greedy. The way I figure it, I had $2450 total invested, so the cost of 300AH of trouble-free use cost me $400/year. I saved way more than that by boondocking. There are several dozens of them for sale on FB Marketplace in my local rural area, so my guess is many others feel the same way. It might interest some that @Overland had 2 out of 4 go bad in 2021. This was before the present design problems were known, apparently BB told him the BMS went bad. I recall he did a lot of off-road, so maybe his terminals shook loose internally and got hot. @Overland was able to get BB to pay for shipping and replace. https://olivertraveltrailers.com/forums/topic/4956-lithium-battery-upgrade/page/2/ Those were the days when BB was widely regarded as the #1 brand, there were no reliable Chinese competitors, and Oliver had nothing to offer. See Will Prowse glowing endorsement on YouTube from 2020 if interested. Yep, same guy that blew this up on the web, may have been indirectly responsible for becoming one of BB best salespersons.

ABS (black) pipe is for waste lines, much less expensive pipe. PVC is used for fresh water and sometimes exposed sink drains, etc. You can use PVC in place of ABS like in your Oliver plumbing, but ABS is only used for gray and black waste plumbing, not rated for fresh water.

Thank you

I suggest Nylok nuts and washers, no loctite needed. First do the lift as @David and Gail has showed above. Drill a second hole, top of slot, hand tight both bolts. Also, the angle of your two support beams seems greater than in other pics. The base looks off angle (notice angle of base not square with floor in your first picture). Check below where it should be welded to the frame.

Similar outcome shown by the “Grand Adventurer” RV guy, the YouTube video I posted above. You have 1 of 3 bad and he had 2 of 6 bad. Both of you noticed your SOC was not what it used to be! Good test Ken! I still have a drawer full of incandescent GE Reveal bulbs at home, for the health of our eyes and heart!

Battery tenders on 4 LA batteries down to 9V will take several days to charge as you are witnessing. interesting how most Olivers are different. Your hull #99 and our #113 both have Blue Sky SCs, but my breaker and shunt were wired on the right side. Never seen a 120VAC panel where breaker #1 isn’t the 30A main and ours has only 6 breakers. They wired the microwave with the 110V outlets on the same breaker. Yours is written “Charger” they wrote “Converter” on ours! Since I replaced the converter with a Victron inverter/charger, I now use the 6th breaker for what was the microwave circuit, now an air-fryer/oven. I still have the original converter installed as a backup just in case, with the hot/black wire disconnected. Every Oliver is unique, yet many similarities. I use many 2017 electrical and plumbing schematics that were not available for 2016 and they’re often close enough to figure things out! I’d say new batteries are in your future and there are many posts on bettering the electrical wiring and other systems.

Looks like I have been very lucky with this battery box support issue. One, I only have a single bolt with no nut in sight. No real evidence it ever hat a nut, but I'm sure it did. The bolt has been bottomed out on the hand-cut slock for what appears to be forever. From all appearance, from outside and in, the box is still fairly in the spot it was from day one. I see no signs of separation. That is likely due to the fact that the bolt bottomed out on the slot and really could not come out of the hole. I will put double nuts, with Loctite, on the support beam this weekend. If anyone sees any issues I do not, let me know. I downsized the pics, but should be large enough to zoom in as needed. Also, I'm not sure why my pics have been uploading with such crappy quality. It's not what they look like on my computer. Might try another program to edit. PS. Replacing all pictures. \

The second test of the “bad” battery just finished. That battery started out fully charged this morning and only lasted for 6 1/2 hours. It again shut down with so little voltage that the charger will not recognize a voltage and start charging. The other two batteries took the load for over 12 hours, the inverter shut down at 10 volts as it should. The charger was able to begin charging immediately. This second test confirms that this one battery is defective in some way and can only handle a load for a short period of time. No telling how quickly it discharges under a much heavier load. My Battle Born testing is done! Two good batteries and one bad battery. Now I’ve got to find something to do with these two batteries.

Thank you

These are the ones shipped from the factory with the trailer: Bulldog Shocks are the ones folks tend to 'upgrade' to if replacing the OEM shocks. Bulldog Shock Parts to Replace Monroe 555001 (OEM) Bulldog part number: HD1213-0656 Price about $150.00 for 4 depending upon supplier. Monroe (Yellow on Top in Pix) Bulldog on Bottom. Link to 4 states truck parts: https://www.4statetrucks.com/bulldog-hd-shock-absorber-replaces-555001-19-050000007 Craig

Jolli Olli is camped in San Antonio for 4 nights visiting college friends and reliving the early 70's. Highs in the 60's and lows in the high 30's. Thursday headed to 3 stops along the Gulf Coast for 13 days.

Thank you

that is interesting, the valve separating the shower from the grey tank is also significantly further aft in my trailer compared to yours. My valve cables operate smoothly. My valves are manual, not electric. Not sure why they went PVC for waste lines, I never really thought about that. Not sure it really makes a functional difference

Ron - there are a bunch of posts on this subject. I found THIS ONE by using the Search function at the top of the page. Bill p.s. since you are fairly new to the Forum - all you have to do is left click on "this one" above and it will take you to a post on the subject.

Everything appears to be wired correctly and the fuses are good. I spoke with OTT and other than the batteries loosing voltage, there is no way for me to test it. The suggested taking it to a service center and having them do diagnostics. Since it is in the garage, on a battery tender, and not winterized I will do that this spring. Since it is new to us, it will be worth a piece of mind to have it check out. While we are at is does anyone know the make and model number for the shocks? I want to replace those and all I could find was the Monroe 555001, not sure if that is correct or not. I am waiting on a call back from the parts department. Thank you all for you assistance. Ron

@DBL-R I updated my post. Again, suggest that you call OTT to find out if you in fact you should have 3 Reverse Battery Fuses in place.

Yep, ours are ABS. And don’t the new Olivers have electric waste valves and something different for the pull handle for the bathroom gray? I replaced that one with electric but an electric valve would not fit on the black tank waste valve where they plumbed ours without replacing all the ABS.

Also the terminals appear that they could use a cleaning as well.

Here's a couple more of the campsite and I have supplied GPS coordinates. We are a couple miles past the staging area. There are campsites at the staging area, one large flat one with picnic table and fire ring. Many RVs were also camping south of the entrance down Eagle Eye Rd. To get here, you'd have to tow down and up 4 narrow washes. Some may not want to pull their Olivers through these washes! I descend slowly, then when my truck is at the bottom I let off the brakes, the weight of the Oliver then pushes the truck through and then quickly hit the pedal to pull up, some were very steep! 😎 There were two other nice campsites on the way to ours and only one past this location. Yesterday we drove up some, to the turn-off to the Monterey Mine. The maps on On-X Offroad are good. With 2WD and not wanting to air down, this was enough. It gets very steep and sketchy the rest of the way to the top. Some of you, airing down with a capable 4x4 would have no problem getting to the top. I understand from the top you can see ALL of SW AZ, from Phoenix, all the way to California, south to Mexico and north to the heights of the Prescott NF! Harquahala Mountain at 5600 FT is the tallest peak in all of SW Arizona. I wish we could travel with the Oliver and somehow bring our 2018 Textron Havoc SxS with us! She would fly to the top with ease!!! 🤣

That is interesting, I wonder if there is an electric valve option that we cannot see in that view? That is the first PVC drain pipe I have seen Oliver use. Mossey

If the previous owner accidentally connected the batteries backwards, even for a second, the reverse polarity fuses will blow and your converter won't charge the batteries. So, first, verify that your batteries are connected properly: positive cable (usually red) connected to the positive battery terminal. Just to be sure. Next: Those 2 green 30 Amp fuses at the bottom of your photo appear to be the reverse polarity fuses that are suspect. Pull them and test them. If you don't know how to test them, just buy 2 new 30 Amp fuses and replace them. See if that solves your problem.

That is good. I'm sure you already have, but out of an abundance... Since this is taking some time, recommend you periodically monitor battery water and top off as necessary with distilled water. GJ