I was refering to the questions asked in this thread.
Like it or not.
Trouble shooting/diagnostic, is not as easy as it was in class.
No school has all the equipment that is already installed available to them to tech you to begin with. Let alone the time to spend with each individual student.
You can try your attempts at insulting us all you want. It won't change you current skill level.
Ability comes from practice, and experience. And, eating humble pie.
The wiring diagram for that unit shows that relay. Thats one of the reasons you were pointed to the diagram several times.
That set up has a very simple control system. Just a lot of people want to make it more complicated then it is.
Wait till you run into one with a clutch in the burner.