On Tue, 10 Dec 2013 22:57:30 -0500, Rick wrote:

The schematic should be attached to the inside of one of the covers on the
furnace.....

It is. There are actually *two schematics* on that inside cover.

I'm not sure how this lockout timer module works; but it might be the culprit:
http://farm6.staticflickr.com/5518/1...27d0a8ef_o.gif

Otherwise, this is the schematic:
http://farm3.staticflickr.com/2863/1...ef8ce342_o.gif