About halfway down inside the door there's a ledge just below the lowest point for the glass to travel.
You might need a flashlight.
Take off the inner door panel,if you have one and look down with the window in the up position and you should see it.


1950 Chevy Advance Design 3100 in Scotland
In the Stovebolt Gallery
More pix on Flickr.
I've definately got this truck thing in my blood ... my DNA sequence has torque settings
"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.