Here is the final solution in my case:
Someone, in one of the shifter posts suggested an old bike tube. Bingo.
I had a brand new spare bike tube for a bike I haven't had in years. It's the wrong size for my current bike. I cut about a four inch length and wrapped that around the collar and then the channel locks worked perfectly.
The wiring harnesses for the cabrio switch and the shift indicator LEDs are FAR too short to deal with while attached. I accidentally popped the shift indicator LED circuit board off as I was futzing with console trying to figure out how I was going to get the cabrio switch up and inside. No problem.
With both the cabrio switch and the LED circuit board detached, I was able to pop the cover plate that holds all of them off the console. I reinstalled the console, installed the cabrio switch on the underside of the cover plate and then fished the cabrio switch wiring harness and the LED circuit board up through the hole in the console and attached them to the cabrio switch and the cover plate respectively. Popped the cover plate and "voila", good as new.
I noted that the top of the nylon shift plunger was dry, so I smeared a little teflon bicycle grease on the top before putting the shifter back together for good measure.