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So here is my solution to my furnace problem.
I ordered a universal replacement Control Board (ST912ou1011) from HVAC Parts Outlet which is meant to replace my OEM board.
I connected it according...

So I bypassed the stat and ran the tests you suggested.

I can get the inside fan to go on, the heater to go on, I can get the AC outside fan and compressor to go on, But when I connect the AC...

Do I use another wire to connect R to Y to G? Or do I connect the R to the Y and the Y to the G and R remains unconnected?




So right now the R from the furnace is connected to Rc and Rh. The...

That is probably the case because I did notice the black wire that connects to the Rc or Rh was loose at the furnace



When referred to the fan, I've been referring to the Furnace fan...

I should say that when I first tried to turn the AC this year, the fan stopped working and a technician replaced the transformer. This happened a couple of weeks ago.

I made sure the connections...

It took me a while to get back to this subject.
My t-stat has a battery and it has Rh and Rc which are connected together.

At the t-stat
Black - RC
Red - RH
- RC and RH are connected together...

Thanks Kiss, so is your suggestion to just replace the thermostat? I'm getting my thermostat replaced by my power company /PeaksaverPlus.
The thing is that I need everything to be in working...

I'm having the same issue as all of you. Has this solution worked for everyone? I will have to research first what your saying exactly :) and then I'll post my results.

Sorry to be asking this question again, but I couldn't find the main relay under the dashboard. I have a 98 accord 4 cylinder. The earlier models apparently needed to have the cruise control relay...