Spoke to Mark today and ordered 7 parts! New fan assembly, new sequencer, new transformer and 4 fuses.

I sure hope this fixes my problem! Its been a cold 3 nights here in Nashville! Thank goodness it gets up to 75 during the day!

Its 6am and I am posting this after waking to a freezing house! I have a Coleman 3400-815 furnace. Last year the sequencer went bad and I bought and installed a new one. At some point last night the fan completely quit. Last year when the furnace wouldn't kick off it ran continuously until the break...