I have a Day & night furnace and I can't get it to lite. It has a lockout module and the wiring is messed up. I need to know how this system works, how does it lite and what makes the blower go on after the burner lites

Is it more than 10-15 years old? Do the controls look sort of like this,

http://tinypic.com/hvx6vm.jpg

Or does everything come off a control board?

Let us know and we will try to help.