1987 MOBILE HOME Colman 7900 Series,, the Furnace Will Not Shut Off Right. The Blower Keeps Going On And Off. The Flame Is Out, but The Blower Keeps Going On And Off. I Have Replaced The Wall Thermostat Twice, no Change... a So Called Tech Friend Of Mine Tried To Look At It. And He Replaced Two Round Switches On The Wall Of The Furnace,, no Change., these Witches Are Side By Side. Color, orange And Yellow. I Have No Idea What They Are Called. Can Anyone Help.
