Last year I posted in this thread:
Awning Winder Shear Pin?
Well, I finally got around to fixing things this spring and got a pleasant surprise. I knew that the motor shaft was spinning inside the cap on my main awning tube. When I took it apart, the shaft has one flat side and it spun inside the aluminum cap essentially making a round hole (it was still tight, but when under tension, it would spin). I called Carefree of CO, but was told I couldn't just buy the cap (1. they don't make them any more, and 2. you have to buy the entire motor assembly
But Chris (tech support at C of C) said to check the other end. He said they should have the same shaft (non-motorized) and it might be interchangeable. Sure enough, it had the same shaft and I was able to just swap the two end caps and I am back in biz.
Hopefully this will help someone.