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Old 10-29-2014, 09:18 PM   #11
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Hope it works out.

Along the same lines... I've been known to leave a "string run" along new wiring paths just because. Ya never know when you might fancy running yet another new line for some other nifty little gadget. :-) I just label both ends indicating where the end point is.
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Old 10-29-2014, 10:10 PM   #12
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Good idea... I'll post the results.
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Old 10-29-2014, 10:17 PM   #13
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First, I have no experience in solar wiring. However before you
start rewiring may I suggest you check and make sure the ground you see is not coming from a connection to a inverter.

Just a suggestion
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Old 10-29-2014, 10:30 PM   #14
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I also should have included the fuse panel. Disconnecting the fuse panel and inverter may prove the ground you see is from there and the initial problem has not been identified.

Sorry for two replies.
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Old 10-29-2014, 11:29 PM   #15
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I don't think it is, but will disconnect those and test just to make sure.

There is an inverter that I installed a while back. On the DC side of it, there is a dedicated ground wire directly to the battery and a dedicated wire through a circuit breaker directly to the battery +12V.

The solar charge controller is pretty simple. It has a set of 2 wire running from the solar panel to it. And it has a set of 2 wires running from it to the batteries. One is a ground and the other runs to the battery +12V to charge the batteries.

The wire running from the solar charge controller to the battery +12V has a 30A circuit breaker near the battery. That is the wire that is shorted to ground and keeps tripping the breaker. If I disconnect it at the controller, it is still shorted to ground.
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Old 10-31-2014, 03:16 PM   #16
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Hi again The sketch below is my understanding of the wiring in your trailer and why I suggested the ground could be coming from another source.
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Old 12-08-2014, 04:38 AM   #17
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Quote:
Originally Posted by mbtelguy View Post
Hi again The sketch below is my understanding of the wiring in your trailer and why I suggested the ground could be coming from another source.
Hi,

Thanks for the reply and nice diagram. It's difficult to see the wires where they disappear and I'll take a look next time the converter is out.

What it appears is there is a large wire from the converter directly to the battery. And there is a smaller wire (shorted to ground) that runs from the solar controller to the battery.

It appears the two wires come together at the battery.

Today, I finally replaced the wire between the solar controller and battery. Works good now!

I appreciate all the help and suggestions...

thank you
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Old 12-08-2014, 10:20 AM   #18
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Quote:
Originally Posted by ttiimmff View Post
It appears the two wires come together at the battery.

Today, I finally replaced the wire between the solar controller and battery. Works good now!
Which would be a typical installation. The coach load running off the batteries.. not off the controller.

Glad to hear it worked out!
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