You probably already know this...but since these are so hard to come by in decent condition...it appears in '69, they only came on 1/2T automatic trucks. So if it's a manual, or 3/4T, you don't have to keep beating the bushes. If it is a 1/2T auto, I wish you good luck in your search.
https://67-72chevytrucks.com/vboard/...d.php?t=786952