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Old 03-03-2021, 03:23 PM   #1
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Location: The Great Pacific Northwest
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M.O.C. #21926
Turning off 12volt at the thermostat

I turned the red key to off in the water n dump station. I turn the switch on the firewall from green to red.
I hate electrical problems but I'd like to tune off the 12 volt power to the
Dometic thermostat.
My guess is disconnect the red wire to the battery?
There has to be a switch.
2017 Chevy Silverado 2500 HD Diesel
2018 Montana 3811MS
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Old 03-03-2021, 07:01 PM   #2
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M.O.C. #3085
I'm not sure what your intention is as to turning off disconnects here, but if your want is to eliminate all power draws from the battery(s) whether direct or parasitic ... just place a battery disconnect on your battery(s) ground wire. This way, there will be absolutely no power draw from your battery(s).
Menards or any auto parts store carries them.
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Old 03-04-2021, 07:35 PM   #3
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M.O.C. #12947
The 12 volt feed to the thermostat is likely coming from one of your A/C units. Turn off power to the A/C units and then test voltage at the thermostat to verify this.
Bob & Becky
2012 3402RL
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