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05-24-2024, 08:37 AM
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#1
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Seasoned Camper
Join Date: Aug 2015
Location: Sharpsburg
Posts: 98
M.O.C. #17756
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Help!
I got new batteries yesterday, one was dead, the other was almost dead. This morning I have only 5 volts, plugged my harness into the truck to get 12v and still not working. I have lights on the RV, but the batteries are still draining. I know I can get my hydraulic slides in wi the manual override, but how do I get my electric slides in? We are leaving our site today.
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05-24-2024, 09:46 AM
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#2
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Montana Master
Join Date: Jan 2022
Location: Shingle Springs
Posts: 2,581
M.O.C. #30417
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To get the slides in check out the Lippert Now app for your phone. They have great support.
https://support.lci1.com/videos/how-...ide-out-system
https://support.lci1.com/videos/
__________________
Tony & Donna & the best dog ever, Murphy.
2022 Montana HC, 295RL, Solar Flex 400, Onan 3600 LPG, 2K inverter, 200AH Lithium. 2020 GMC Denali 2500 6.6 Duramax, Demco 21K Auto Slide
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05-24-2024, 09:46 AM
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#3
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Montana Fan
Join Date: Sep 2023
Location: Jacksonville
Posts: 251
M.O.C. #33285
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Check your battery cut off switch. It may be turned off
__________________
Bob, Kay and our 3 pups Lily, Willis and Gizmo
Jacksonville, Nc
Retired LEO of 35 years enjoying life camping n fishing
2021 Montana 3761fl pulled with a 2022 F350 King Ranch
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05-24-2024, 09:48 AM
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#4
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Montana Master
Join Date: Mar 2019
Location: Milwaukie, OR
Posts: 1,571
M.O.C. #23668
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If you're plugged into shore power then the converter should power your 12v systems just fine, as well as keep your batteries charged. If that's not happening then I would suspect a bad converter. You can disconnect the leads to your battery and use a multimeter to check the voltage output from your converter while connected to shore power. If less than 13v then replace the converter.
__________________
Jeff & Sandi (and Teddy - 7lb Schnorkie)
2018 Montana HC 305RL / HW Progressive EMS
2015 RAM 3500 Laramie Longhorn Crew Cab 4x4 DRW / Demco Recon Hitch on RAM Puck Ball
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05-24-2024, 10:04 AM
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#5
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,690
M.O.C. #4831
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Quote:
Originally Posted by bwright
I got new batteries yesterday, one was dead, the other was almost dead.....
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I assume the OLD batteries were the ones that were dead/almost dead.
That implies the batteries have not been being charged for some time. Is there 13.6+V at the batteries when you are plugged into shore power?
If not, you need to find where the break is in the charging system. The Red Key disconnect switch in the convenience center is a common place. The 50 amp circuit breakers are another common problem.
Here is a link to a 12vdc troubleshooting flow chart:
https://www.montanaowners.com/forums...ad.php?t=86323
P.S. You didn't accidentally hook the new batteries up backwards (even if for just a second) and blow the Reverse Polarity fuses in the converter?
__________________
Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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06-09-2024, 09:40 AM
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#6
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Seasoned Camper
Join Date: Aug 2015
Location: Sharpsburg
Posts: 98
M.O.C. #17756
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The converter has been replaced and all is working as it should. I just slid the old converter out and replaced one wire at a time to make sure all went back where it should. Easy repair to do yourself!
If you are looking for a converter or other electrical needs for your RV, I bought the converter from www.bestconverter.com and it was priced at $279 + tax. They are located in Enterprise, AL and shipped out FedEx Ground to me. The guy that owns the business is retired military so I was happy to be supporting a Veteran owned business.
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06-09-2024, 09:49 AM
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#7
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Montana Fan
Join Date: Sep 2023
Location: Jacksonville
Posts: 251
M.O.C. #33285
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First place I would check is the battery cut off switch. It’s normally found in the convenience center. I know you are saying I didn’t cut it off. Believe me they have a way of getting turned off. Ask how I know.
__________________
Bob, Kay and our 3 pups Lily, Willis and Gizmo
Jacksonville, Nc
Retired LEO of 35 years enjoying life camping n fishing
2021 Montana 3761fl pulled with a 2022 F350 King Ranch
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06-09-2024, 05:36 PM
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#8
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Montana Master
Join Date: Dec 2021
Location: Northeast TX
Posts: 1,016
M.O.C. #30262
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This thread is a prime example why a properly installed shunt can be both a rather inexpensive and useful tool. It lets one know what amperage is going into and out of the batteries. A brand new pair of FLA batteries can be wiped out overnight without a charge being supplied to them. A shunt can easily show the relative state of one's batteries by using an bluetooth app for the device. Peace of mind in my books
__________________
![](image.php?u=30262&type=sigpic&dateline=1662708055) Lee, Edith, Lil' Bit & Cuddles
22 MHC 331RL, Surge Guard 35550, SumoSprings, Kodiak disc brakes, 412Ah Lithium, Gen 3 Goosebox, Sailun 85s
22 Ram 3500 CC DRW 6.7 CTD Herrin Hauler Classic Bed, 45 gal AUX tank
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