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tuseggrolls's avatar
tuseggrolls
Explorer
Apr 12, 2020

Coleman Airxcel thermostat and controller box installation

I did search, but I still need help to figure out what I did wrong, or probably, I didn't know enough. It has been a week of trying. I want to replace the mechanical manual control knobs of the Col...
tuseggrolls's avatar
tuseggrolls
Explorer
Apr 12, 2020
A1RVTraveler wrote:
The blue wire from the thermostat goes to ground anywhere on the RV and also must be connected to the (B-) wire on the control box.


It appears option 2 is the best in my case, but I am not sure where is the red wire that you've mentioned, except the orange wire...and I am not even sure that I am looking at the right part.
Please see the attached photos.
Thanks much again
Nick
BTW: I measure with a voltmeter, and I can't get a 12vdc anywhere.:M



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