I finally found an old picture of my cab with the door open and it shows the windlace retainer setup- the chunky edge is under the retainer and the wider ribbed section is against the cab side… now I’m really confused!

[img]https://photos.app.goo.gl/xnWEAc2ddRzuZE49A[/img]


~ Dave
1950 Chevrolet 3600 3/4-ton with 261 engine & T5 Transmission