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Old 11-28-2023, 06:47 PM   #1
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Join Date: Nov 2023
Location: Osteen
Posts: 15
M.O.C. #33632
12 volt lights went out

Sorry if this is posted elsewhere. I couldn't find any info.
2019 montana 3811 5th wheel

So. Sitting inside and the lights went out. Not sure why the TV went out TV. And lights on oven. And air conditioner/ heat pump.dometic thermostat. Fridge All this went out.

All 110was fine

So went to checking. Battery's. 12.9 volts. So plugged in truck didn't help.
Starting checking 12 vt with meter.
No voltage inside the panel at all.
Checked red key disengage no power.
Checked breaker and small pergo swith at battery. I have 12 volts.
Turned on converter and fridge works. 12 volts at converter.

So. 1 4 gauge red wire going to red key switch has no power?? Trace it to the picture. Looks like a regulator of somekind.

Unplugged the yellow and white and power Comes back on??
So this is where I'm confused. The regulator looks like it controls the auto level.?? Why would this cause a problem if I'm not using it.? If I leave this unplugged what will this cause??
2019 3811 montana
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