Finally did the install yesterday. As others posted it is fairly easy and even a caveman like me can do it. I had issues with the throttle side housing assembly. Basically, I was "overthinking" it. The throttle cables were easy, I was trying to get the heating wire around the throttle tube. Once I gave up and stuffed it in without care, it worked?!?
Got the left side grip off without cutting. I just squirted water underneath the grip and kept working it. Same with putting the new one on. Used water and it slipped on with minimal effort. Did the upside down controller bracket that Troll shows. Works great and looks better than the "stock" install. As far as running the wires into the battery area, I already have a couple sets of wires ran in the same path as was needed for the grips (between the tank and frame). The best way I found to run the wires without raisingng the tank: I use a 2 foot long plastic wire tie to fish through the area. The wires are taped on the end, and then pulled through. Easy and works for me.
Also, I did not notice the throttle wires blocking the view of the instrument cluster. Yes, the cable do stick up higher, but the only blocked area for me is the "clock" on the cluster. I do have one-inch bar risers installed, so maybe they change the path of the cables enough to not fully block the view.
Now I'm ready for cold weather riding. ::016::