The top box I was referring to is the metal one on side of the unit, by the blower with wires going to it. When opened it has 4 modules (?) in it with the wires connected to them. I said top box because their is one that looks similiar lower down (at the bottom of the top removable door) that has th...

I have a Coleman Presidential gas furnace (that is not being used) with a/c in my mobile home...model number 7956-856. I am not the orignal owner of the mobile home so do not have the manual. The furnace has not been used in the last 2 yrs since I've had it and I've only run the a/c. When I started ...