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Old 11-27-2018, 06:53 PM   #1
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Converter/Battery Issues

2012 Cedar Creek 36RE model
Don't think my batteries are charging properly. Sometimes they read full, and other times it is way low and the lights are dim.

Anyone know why i can read both NEW batteries alone read 12.46 each,
at the converter DC point it reads 13.4, so I'm assuming my converter is good?

BUT if I take the leads of the batteries that come from the converter I read 0 volts.

Can't seem to find any fuses blown anywhere. Checked grounding and it looked fine. Have been plugged on shore. Any idea where to start from here?
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Old 11-27-2018, 06:58 PM   #2
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Quote:
Originally Posted by rvroller View Post
2012 Cedar Creek 36RE model
Don't think my batteries are charging properly. Sometimes they read full, and other times it is way low and the lights are dim.

Anyone know why i can read both NEW batteries alone read 12.46 each,
at the converter DC point it reads 13.4, so I'm assuming my converter is good?

BUT if I take the leads of the batteries that come from the converter I read 0 volts.

Can't seem to find any fuses blown anywhere. Checked grounding and it looked fine. Have been plugged on shore. Any idea where to start from here?
Battery disconect off or inline fuse blown?. Reverse polarity fuses blown (30/40 amp)?. there are 2 side by side.
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Old 11-27-2018, 07:00 PM   #3
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Do you have an inline self resetting circuit breaker that could be tripping?
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Old 11-27-2018, 07:16 PM   #4
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Battery disconnect is on and inline fuse off battery going to invertor reads good.

Reverse polarity fuses...if these are the ones on the converter (I have two orange 40's there), they are both good.
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Old 11-27-2018, 07:18 PM   #5
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If I do...I don't know where it is, but I do have a fuse in between battery and invertor that reads good.
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Old 11-27-2018, 08:00 PM   #6
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Converter is a WF - 9865, and the Reverse polarity fuses on the until are good.

Also when the Battery disconnect is switched off, batteries read full on the led panel inside.
When battery disconnect is on, the led lights go down to half.

This is intermittent (without me doing anything) One time I can go in and the lights work and can turn on the heat, and other times (like now) can't turn on the heat again, and the lights are very low. But if it sets overnight I'll be able to turn on the heat etc all over again.

None of this is making any sense to me, and have no idea what to look at next.
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Old 11-27-2018, 08:21 PM   #7
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Quote:
Originally Posted by rvroller View Post
Battery disconnect is on and inline fuse off battery going to invertor reads good.

Reverse polarity fuses...if these are the ones on the converter (I have two orange 40's there), they are both good.
Yes, I realized they should be because you are reading 12 volts at the converter. check the voltage incoming and outgoing at the battery disconnect. Those contacts can be the problem.
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Old 11-27-2018, 08:22 PM   #8
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Quote:
Originally Posted by rvroller View Post
Converter is a WF - 9865, and the Reverse polarity fuses on the until are good.

Also when the Battery disconnect is switched off, batteries read full on the led panel inside.
When battery disconnect is on, the led lights go down to half.

This is intermittent (without me doing anything) One time I can go in and the lights work and can turn on the heat, and other times (like now) can't turn on the heat again, and the lights are very low. But if it sets overnight I'll be able to turn on the heat etc all over again.

None of this is making any sense to me, and have no idea what to look at next.
You have a bad connection between the converter and the batteries. Check the grounds also.
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Old 11-27-2018, 09:18 PM   #9
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Just to make sure the wires didn't get crossed when I installed my new batteries....
Black is going to ground- to negative side of battery
White is going to a neutral terminal strip- to negative side of battery
Then I have 2 reds...one coming from converter and the other one going to the positive on the inverter these are both hooked up to the positive terminal of the battery.
Then of course have the jumpers that go from positive to positive on the other battery and negative to negative on the other battery.
Just trying to cross things off since i'm still at a loss.
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Old 11-27-2018, 09:23 PM   #10
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How old are your batteries? Almost starting to sound like a bad battery issue. Have you tried charging them with a different source?
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Old 11-27-2018, 09:33 PM   #11
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These are brand new batteries
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