Ed, This is a pic I found on the web (on my phone) that kinda shows the inside rear view mirror in a 1955-59 GMC.

Lots of our normal suppliers offering a complete mirror and arm that they say fit both GMC and Chevy.

Hopefully others may post different pics to see installation better.
Attachments
IMG_4335.png (713.31 KB, 117 downloads)


~ Dan
1951 Chevy 3 window 3100
Follow this story in the DITY Gallery
"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)