OnStar module? Radio block off plate?

And does anybody have a block off plate for the gaping hole that was my head unit? I'm thinking about relocating the TC button and HUD controls, and installing my cutout switch there, and maybe a nitrous switch.


Gonna try to find a vinyl flooring replacement, 10" subs, new amp, and relocated electronics.
Trending Topics
The Best V8 Stories One Small Block at Time
Also, just a FYI I was told that any connector with a yellow ending (like the one above) is correlated to a airbag, rather it be a sensor or something else.
Once again thank you!
I would never doubt you as you are much more knowledgable than me when it comes to these cars. I just add what I know when I can
. 

And pay for shipping and you can have the rings. I dunno when I'll be back to my house, though, having some little issues, atm. 



