Timestamps:
0:00 Intro
1:36 Why Ubox?
3:30 Modifying stock XR controller box
4:03 Molex and Switchcraft connectors
5:59 Fuse
6:38 Mounting the Ubox with studs
7:47 LED module
8:48 Power button
10:26 Recap and wiring diagram
Turns out youtube doesn't allow me to put links in description, so they will be in a pinned comment down below ;)