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okmunky 08-04-2021 05:56 AM

How can I bypass the A/C thermostat?
We are burning up here in southern Arizona! My coach has a Dometic AC on the roof, but it was disabled when my now deceased monkey pulled the thermostat and 2’ of wires out of the wall. I didn’t fix it because I installed a swamp cooler that was working well until the humidity level started rising.

I need to get the AC working before noon today. HELP!!! Is there a way to get power to the unit temporarily, even if I run a power cord across the ceiling to an outlet?

It will be daylight soon and I’ll post photos of my wiring once I remove the cover.

okmunky 08-04-2021 09:00 AM

1 Attachment(s)
This shows the wiring from inside the RV.

Old-Biscuit 08-04-2021 11:14 AM

So I take no wires are sticking out wall where thermostat was ????

Need 12VDC to A/C Control Module to turn it on/off
*thermostat is just a switch

The Small Red and White wires that have exposed bare wire are most likely 12VDC+ (Red) and 12VDC- (White)

okmunky 08-04-2021 02:18 PM

Thanks OB!

A neighbor came to my rescue with a small window unit and it is finally getting cool in here. I'll work on the Dometic later, after I’ve had a nap. :)

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