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wmoses's avatar
wmoses
Explorer
Jul 26, 2014

5-2 Day Programmable Honeywell Thermostat Upgrade

My 2014 Flagstaff 27RLWS travel trailer was outfitted from the factory with an analog Coleman-Mach thermostat. We found that it did not control the temperature swings above and below the set-point to ...
Playtime_II's avatar
Playtime_II
Explorer
Jul 28, 2014
On the Honeywell mod, remove the faceplate and then jump the 12v(+)terminal to the AC (or Heat)terminal Thus bypassing the thermostat's thermometer until the interior gets within the operating temp of the thermostat.

A 3" piece of 18ga works fine.

You can always buy a RV themostat and avoid all of this.

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