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Old 06-20-2019, 07:27 PM   #1
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Furnace thermostat wiring diagram

Hi all. Hoping to hear from the experts on wiring my furnace. Like an idiot I had did not take note of the wiring when I removed the unit thinking I could remember it. I have a red green and white wire coming out of the thermostat a hot and negative from the coach a hot and negative from the furnace and the two blue control wires from the furnace. Any help would be greatly appreciated. It's a 2015 38BHR.
Peter&Shannon is offline   Reply With Quote
Old 06-28-2019, 10:38 PM   #2
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I just repaired my furnace on my 2013 38GK and my basement panel was still removed so I was able to visually check the wiring for you. The furnace has 2 blue wires but one has a sticker with ++++++ on it. This one goes to t-stat red the other goes to t-stat green. The yellow from the furnace goes to 2 wires, the t-stat white and the white power supply from the coach. The red from the furnace goes to the orange power supply from the coach.
Hope this helps.
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Old 06-29-2019, 03:19 PM   #3
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Quote:
Originally Posted by Happycampper View Post
I just repaired my furnace on my 2013 38GK and my basement panel was still removed so I was able to visually check the wiring for you. The furnace has 2 blue wires but one has a sticker with ++++++ on it. This one goes to t-stat red the other goes to t-stat green. The yellow from the furnace goes to 2 wires, the t-stat white and the white power supply from the coach. The red from the furnace goes to the orange power supply from the coach.
Hope this helps.
Thank you. This is how I have it hooked up and it works except that the fan speed is on high and won't switch to low.
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