I had no issues matching up the wire colors outlined in their instructions. Granted they are hard to distinguish stripes coloration but instructions were correct for my 21..Now it's the wiring color coordination from their instructions that's wrong. 3 calls into them and I still haven't gotten my steps working yet. I'm at a loss on who to go to that can help me get them working.
here is the copy which I am sure you have but cant hurt to double check..

