Onstar tracking disable

[readymanus]

I get a new Tahoe every two years since they came out(when they had 2 doors), but the 2015/6 has me stumped.

I occasionally disable OnStar tracking by switching on/off the correct antenna, leaving all other services functional, sat-radio, phone, nav. But the current design seems to share data/antenna between modules and it's an all or nothing thing when any antenna connector is unplugged. Doesn't the nav system have its dedicated antenna under the dash anymore?

What are the feeds for the brown, blue and purple antenna connectors connected to the VCIM and other under the dash components?
Is there another way to disable the OnStar tracking, leaving the other 2015/6 services functional?

 

[A-RON]

Why

 

[readymanus]

Why

Because I get 2 year leases.

 

[GTPprix]

WTF?

 

[readymanus]

WTF?

It was a joke. I get a new Tahoe every couple years, why, my lease is up...

The nav system still has the antenna under the dash for navigation, so I'm good, I worked on it this weekend. So disabling OnStar tracking is pretty much the same as in previous iterations of my Tahoes(only easier and more accessible). Two seconds and I'm driving 'in the dark' which means no OnStar tracking or comms.