Blower would stay on, now died

What is your question?

I was driving to work one day and when I turned off my car, the blower went to high and stayed on. I had to unplug the fan to turn it off. On hot days I would plug it in again so I could get cold air. One day, it wouldn't turn on. I tried the controls on the inside, and it worked. About 2 months down the road I was driving and out of no where the same problem happened again. I turned off the A/C and it went to Defog (feet and windows) on high. I unplugged it and never went back. Fall was coming. Well, now I need heat so I plugged it back in. Nothing happened. Tried the controls, same result. I tested the blower motor and it is fine. I have electronic climate control. So, it is either the module, or the HVAC programmer. All connections seem to be fine, I just need to figure out which one it is. I hope it is the module. I have never had to replace an HVAC programmer before nor heard of one dying, even when I was in autos school.