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12-02-2021, 06:04 AM
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#1
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New Member
Join Date: Apr 2020
Location: port clinton
Posts: 1
M.O.C. #26154
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no 12 volt in rv
montana R31,5 110 voltage good converter is good 12 volt works on the converter. unplug the 110 voltage no 12 volt all fuse are good disconnet switch is good ,battery are good help
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12-02-2021, 06:24 AM
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#2
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Montana Fan
Join Date: Aug 2020
Location: Aurora
Posts: 429
M.O.C. #26926
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Quote:
Originally Posted by els65@outlook.com
montana R31,5 110 voltage good converter is good 12 volt works on the converter. unplug the 110 voltage no 12 volt all fuse are good disconnet switch is good ,battery are good help
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If all is good as stated you should have power. How did you verify "good"? Did you check power at the disconnect switch (both terminals)? Did you checkbattery voltage after letting sit for a bit without shorepower on?
A bit more info on what you tested and how would make it easier for somone to help rather than shooting in the dark, like I have.
__________________
Rip & Beth
2021 3121RL Legacy Cobalt FBP, MORryde IS & pin box
2020 F350 PSD CCLB SRW
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12-02-2021, 08:35 AM
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#3
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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You need to check battery under load, not when connected to the converter.
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Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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12-02-2021, 09:19 AM
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#4
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Montana Master
Join Date: May 2019
Location: Alton
Posts: 2,695
M.O.C. #24086
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No DC power from battery. Good when on Shore power.
Take a multimeter. On shore power, check each post of your red 50A self resetting circuit breakers near your batteries. They should all read the same (about 12.4vdc).
Now remove shore power. Check them again.
Which ever one is NOT showing 12vdc on the post, it is bad. Replace it.
Note: charging is also possible via the 7 way cable from your tow vehicle. It could be supplying power on the same (good) side of the breaker.
Buy Bussmann 50A self resetting circuit breakers. Very reliable. You can get them at your local auto parts store.
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Daryl and Marianne,
2019 3130re 20th Anniversary Edition
2016 F350 Lariat
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12-02-2021, 07:16 PM
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#5
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,700
M.O.C. #12947
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Your problem is likely having the battery disconnect switch turned off. When the switch is in the open or off position, the key can be removed. Turned to the on or closed position, the key can not be pulled out. With the switch open, your batteries will also not receive a charge from the converter.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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