Thanks, much appreciated. You folks are extremely helpful.
- Dave G.

Rec'd new board today. Installed and hooked up except for one connection. Since I don't have old board can't verify 2 spades at top of board. Three connectors at top of board are labeled 'sec', 'com', and 't'. The transformer output goes to top of board. Blue output from secondary (24v side) goes to...

Thanks, Robert. I'll order the replacement board, since the one I sent in does have burn marks and some of the protective coating on the back has melted away.
- Dave G.

Thanks. Old board sent in to check if it can be repaired. If not, I'll order the 7990-320P.
- Dave G.

Here are numbers from the control module board: 1012-83-9561A 03101932000 0149 1012-956

A few days ago, Coleman gas furnace failed to start. After providing an alternate path for electric power to the furnace (Siemens breaker tripped, couldn't reset, discovered breaker itself had failed, couldn't replace yet since Siemens has recall on 15A circuit breakers, and no supply house had a re...