| Jay, Thanks again for your help. So, with the furnace running, If I put a multy meter on the G and B terminals, I should get a reading of aprox. 24 volts, is that correct? Does it matter which wire goes on the G or B terminal? "But my guts are going to say if it's wired on Y and G now, it may not work.... but I could be wrong." Why do you think it may not work? Sincerely mross |