This is the e-mail from JOYING Customer:
Certainly I'll be glad to help you document what is needed for the installation on a 2012 Jeep Wrangler.
The wiring harness with can-bus adapter is RP4-CH11 from PAC
From radio harness, KEY1 wire goes to one lead and KEY2 goes to other lead. Then plug 3.5 mm male plug from can-bus into this new female jack.

Also required is an antenna adapter.

The dash adapter required is Metra 95-6511

This friend installed Joying 7 inch universal double din head unit JY-UL135 in his Jeep, Dimension: Panel size is 178*100mm; main engineer size is 178*143*100mm. Please measure your open space first, you may need to modify the dashboard.
If you have questions, please be free to contact us.
Focus more on our site:
http://forum.carjoying.com/
https://www.youtube.com/c/BoykaJoying
https://www.carjoying.com/
https://www.carjoying.de/
https://www.carjoying.co.uk/