Dometic Digital Thermostat Conversion
This summer, I installed the Dometic 3313195 T-Stat and relay box and removed the analog T-Stat. I did not hook up the separate 12v furnace because we just needed AC. The AC works fine, but when I w...
Forum Discussion
tmeserole wrote:
Yep, I am sure it is a furnace issue. I connected the t-stat wires from the furnace together and nothing happens. I would have expected at least a small spark. At this point, I will believe that the T-Stat is working properly. I do have 12 V power to the motor switch, but I do not know what is the next step.
AS Chris stated, the AC control board does NOT produce anything for the furnace. ALL it does is, flow thru the 12 volt positive from the furnace and back down to the furnace. So, if you connected the 2 wires and nothing happens, your problem is AT the furnace system. Either the furnace fuse is blown at your 12 volt fuse center or the furnace relay system has a problem. Doug
