XM Radui Upgrade

[TollKeeper]

So per this page..

https://www.siriusxm.ca/wp-content/uploads/2014/02/EN-Sirius-Compatibility-Chart-GMClass2Bus.pdf

I just need to get this T-Harness, module, and a Antenna. But I will be damned if I can find this T-Harness.

Anyone? Part #?