Good news, I got it working. The bad news is I'm not sure how. I have what I did below.
One important note is I installed the charger myself with my dad. It was an easy hardware swap from the old wall connector but I hadn't used the Tesla Pro app to install this new one, just the standard Tesla app. Perhaps these problems wouldn't exist if I had properly used the Tesla Pro app.
Here's what I did that may have fixed the problem:
- After issues connecting tonight, I shutoff the charger from the circuit breaker for 10 seconds and began again. Maybe it needs a reboot.
- I tried connecting to the Tesla Pro app but had trouble connecting. So I switched the charger a 2nd network we have here at home. Both are 2.4 but the second network is Starlink and technically closer to the Garage. I did this switch in the standard Tesla app which has network controls.
- Once I got into the Tesla Pro app, I took the advice of @Tam and found the Access Controls setting. This involved setting this charger up in the Tesla Pro app. Perhaps that was my problem all along, an incomplete setup. When checking the Access Controls however, it was already set to All Vehicles. I tapped "All Vehicles" anyway and hit save.
- The Tesla Pro app was asking what amps the circuit had. Completing this 5 second form made a yellow alert in the Tesla Pro app disappear.
I then plug in at this point using the built in adapter and it worked! The light goes blue, a few seconds pass, and I hear the electrical parts click. The Rivian displayed charging speeds of 20mph. This really is a dream charger when you have more than just a Tesla to plug in.
@rstx, I think you'll love this connector as much as I do and hope your install is smoother than my experience. I hope anybody else having issues can find the solution I have with the above steps.
To those who left comments in here trying to help me so quickly on such a new product, thank you.