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Old 10-16-2019, 01:01 PM   #1
Dpusey
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Lost one leg of power.

I have a 3790 monty 2016. Lost right side of power breaker box. Checked power coming in, power is good. Is there a gfi or a junction box between power inlet hookup and breaker panel?
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Old 10-16-2019, 01:07 PM   #2
jeffba
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Common thing here lately is a loose wire in power cord or bulkhead connector. I would look there.
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Old 10-16-2019, 01:15 PM   #3
Dpusey
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Quote:
Originally Posted by jeffba View Post
Common thing here lately is a loose wire in power cord or bulkhead connector. I would look there.
Where is bulkhead connector located
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Old 10-16-2019, 01:17 PM   #4
Dpusey
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Power cord connections are tight
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Old 10-16-2019, 01:31 PM   #5
BB_TX
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Quote:
Originally Posted by Dpusey View Post
Where is bulkhead connector located
The connector on the back of the trailer where you connect the power cord. Several posts lately about loose wires there and burned connectors. Look for discoloration on that connector.

If nothing obvious, I would start at the park outlet. IF you are comfortable troubleshooting live AC power, use your voltmeter to verify power on both legs at the park outlet. If so, unplug your cord from the trailer, plug your cord into that park outlet, and use your voltmeter to verify power to the trailer end of the cord. If so, turn off power and unplug your cord from the park outlet. Then remove your connector from the back of the trailer and check the wiring on the inside part of that connector.

Here is a link to measuring that power.
https://www.rvtravel.com/rv-electric...p-shore-power/
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Old 10-16-2019, 01:37 PM   #6
Dpusey
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I guess that means dropping plastic underneath to access connector box. Or is there a easier way?
Thank you for your answers, they are helping
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Old 10-16-2019, 03:41 PM   #7
BB_TX
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You should be able to remove 4 screws from the connector and pull the connector out.
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Old 10-16-2019, 04:52 PM   #8
Daryles
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Where your power plug comes into your RV.
4 screws to remove the receptacle. Then another 3 screws to remove the inside cover to get to the terminal lugs. MARK THE INSIDE RECEPTACLE SO WHEN YOU REASSEMBLE IT YOU ARE SURE IT WILL HANG YOUR PLUG CORRECTLY (vertical, unlike how mine came from the factory, 90 deg left, as in picture).
I take lots of pictures for reference.
Make sure there is NO insulation under the lug screws, only wire.
Be careful. Make sure you disconnect your power cord before you start.
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