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Old 09-07-2020, 12:59 PM   #1
Junior Member
Join Date: Sep 2020
Posts: 1
Dometic Thermostat analog model

Sorry, new guy here.
I have no power at my thermostat, where does the low voltage come from?

2010 XLR 35X10
BL54FD is offline   Reply With Quote
Old 09-07-2020, 01:42 PM   #2
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Join Date: Mar 2008
Location: Southwest Alabama
Posts: 9,724
Can you tell us the model of the A/C and the thermostat?

The 12 volts for the thermostat comes from the battery/converter (Power Panel) through the A/C control box. There should be a fuse somewhere that supplies 12 volts to the A/C (& thermostat).

Keep in mind that Dometic analog thermostats switch the negative side to control the functions, and not the positive side like most other mfg's do.
Salem 29RKSS Pushing a GMC Sierra 2500HD!
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dometic, thermostat

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