Intellitronix A-body Dash Install Thread
It was a connector kit I got off of wish.com. I did not use all of the wire positions.
I found this one on Amazon
WMYCONGCONG Waterproof Electrical Wire Cable 12 Pin Way Connector Plug (10 Kit)
https://www.amazon.com/dp/B06XK9D14S/?tag=fabo03-20