Thanks Neil, Abscate, and foggydog for your replies and helpful diagrams, links, and advice! Once I noticed the shaft was spinning as I was trying to tighten the mount nut, I stopped! Installed the parts in same order and fashion as I removed them (and as illustrated above). All is good. See pics in...

I finally was able to remove the electronic climate control module from the parts car and then from the daily driver. There was a bulb that had come loose and was roaming about inside the unit from the daily driver. After I installed the module from the parts car, and connected the wiring, the blowe...