Newbie needs help with brook ufb mod

So I’m new to the forum and to modding.
Want to install a brook universal pcb in my razor atrox for the xbox one but have no idea where to wire the guide button and the also don’t know if the lock will still work as I’ve received 2 different answers from 2 different modders.
Has anyone done this that wouldn’t mind helping me out?
I’ve got the layout and installation guide but don’t know where these would go wired.
If post is not allowed here I apologize.

Wrong section homie. Go to tech talk
https://archive.supercombo.gg/c/tech-talk

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My bad.
Thanks

You’re going to have to solder to make it work, you need to find where the signal and grind lines for the guide button is and tap into them.
I’m guessing the lock switch interrupts the ground connection for start/select/home- solder accordingly.

I believe the ufb also allows for start+select= home, so you really don’t need to connect a home/guide button if you want to keep it simple. If you’re worried about accidentally pressing start or select, you could put some springs behind the buttons to add resistance, or even remove the plungers so they can’t be bumped by mistake.

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thank you.
Hopefully everything will go according to plan