I used something like this
https://www.summitracing.com/parts/e...xoC0qkQAvD_BwE
For my power windows with a hole cut in the door and a hole cut in the door frame.
I originally bought something like this
https://www.summitracing.com/parts/k...RoC2cYQAvD_BwE
But it ran into too much under structure in the doors.