SOLVED: It was a short somewhere between the blue wires at the furnace and the tstat. Refer to this postHi All,1997 Terry 30g RV with an Atwood 8531-III DCLP furnace and a Coleman 7300 air conditioner.I just opened up my camper for this season, and f...
SOLVED: see my response below for details. In short, replacing the thermostat fuse fixed the issue. Hi All,I have a 1997 Terry 30g RV with an Atwood 8531-III DCLP furnace and a Coleman 7300 air conditioner. I bought it from the original owner about...
Ok boys.. based on my previous tests, I decided to just snip the tstat connections and re-wire them temporarily (without going through the walls). The tstat has power now. The fan runs. I didn't test the heat because I actually need to install a n...
Well, wnjj's suspicion was correct. After I shoved the probe in a little further, I get 12V at the both sides of this connector. I also get 12V where the blue wire connects to the thermostat's red wire (in the same pic above) with that crimp cap. I...
Ok.. I decided to come back up to camp today, so I can hopefully fix this before the weekend.I confirmed there is zero volts at the red wire at the thermostat. I hooked my negative probe up to 2 known good grounds this time (the breaker panel frame ...
dougrainer wrote:You screwed up big time:B You attempted to use the Tstat mount screw for a ground????? How would that be a ground screwed into WOOD?:B Find another ground source. Now that SMALL 2 wires(Red and White), those come from the Furnace. ...
Thanks again, everyone. All your comments helped me clearly understand the wiring involved, and now I have a good plan for when I go back to camp this Friday. The troubleshooting chart in the Coleman manual (provided earlier by Old-Biscuit) is now ...
