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Old 11-20-2016, 12:16 PM   #1
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No battery power

A friend is on a hunting trip in the middle of nowhere, has battery power to the tongue jack, no power to the trailer. All fuses good. Checked for reset button at junction box near battery and couldn't find it. Plugged into tow vehicle and is able to start the generator. Battery is fully charged showing 13.6v.
Any ideas?
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Old 11-20-2016, 12:34 PM   #2
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A friend is on a hunting trip in the middle of nowhere, has battery power to the tongue jack, no power to the trailer. All fuses good. Checked for reset button at junction box near battery and couldn't find it. Plugged into tow vehicle and is able to start the generator. Battery is fully charged showing 13.6v.
Any ideas?

Would help to know what brand/model RV he has. Barring that info.....did he look for a battery disconnect switch?
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Old 11-20-2016, 01:21 PM   #3
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No battery

He has a battery disconnect, already checked and double checked.
The unit is a Dune Sports toyhauler.
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Old 11-20-2016, 01:42 PM   #4
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I am assuming then, that he has an onboard generator and it was able to start it using the toy haulers battery but, only after plugging it into his tow vehicle?

He's showing 13.6v but, is that with the tow vehicle plugged in or with the trailer sitting completely separate not plugged into anything and no running generator? Because if sitting alone, that seems a little high. Normally, a good battery with no draw on it should be in the area of 12.4 - 12.6v......give or take.
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Old 11-20-2016, 02:06 PM   #5
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No battery power

Yes, generator started when plugged into tow vehicle. 13.6v is battery alone.
I also read elsewhere that 13.6v is optimal.
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Old 11-20-2016, 02:41 PM   #6
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Yes, generator started when plugged into tow vehicle. 13.6v is battery alone.
I also read elsewhere that 13.6v is optimal.

OK.....Tongue jack probably had a dedicated wire direct from the battery. That's why it works. Generator probably is the same. It has its' own dedicated + cable & - ground going to the starter/solonoid. That's why it started with a little help from the tow vehicle.

Now, IMO I think there is a MANUALLY resettable relay somewhere in the circuitry between the battery and the converter. The reset button is small and hard to see depending on how & where they were installed. See attached for what to look for & small reset button location.
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Old 11-20-2016, 02:53 PM   #7
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Thanks, I'll pass it on, hopefully he can find the reset.
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Old 11-20-2016, 03:46 PM   #8
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Originally Posted by rracer5 View Post
OK.....Tongue jack probably had a dedicated wire direct from the battery. That's why it works. Generator probably is the same. It has its' own dedicated + cable & - ground going to the starter/solonoid. That's why it started with a little help from the tow vehicle.

Now, IMO I think there is a MANUALLY resettable relay somewhere in the circuitry between the battery and the converter. The reset button is small and hard to see depending on how & where they were installed. See attached for what to look for & small reset button location.
I agree.
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