Don't know if this may help but this is how I have done it.
1 Install the rear vertical channel leave top loose
2 Install regulator make sure roller is in the channel on inside of the door.
3 Install front vertical channel leave top loose
4 Install horizontal Glass channel from the top
5 Install the glass front of glass first holding the back up then lower the back into the rear channel.
6 You may want to run the motor up or down so you can see the glass channel attaching points. I find that closer to up position is better.
7 Attach the glass to the channel.
Remember the power wire goes through the front bottom channel so it doesen't get caught in the moving parts Hope this may help you
1 Install the rear vertical channel leave top loose
2 Install regulator make sure roller is in the channel on inside of the door.
3 Install front vertical channel leave top loose
4 Install horizontal Glass channel from the top
5 Install the glass front of glass first holding the back up then lower the back into the rear channel.
6 You may want to run the motor up or down so you can see the glass channel attaching points. I find that closer to up position is better.
7 Attach the glass to the channel.
Remember the power wire goes through the front bottom channel so it doesen't get caught in the moving parts Hope this may help you
