Found a couple pictures of my setup. This truck has the Magnum V-8 so it may be different from your V-6.
The whole linkage seem to be cobbed up from the previous owners before me.
Small town Volunteer Fire Department.

Don
Attachments
IMG_1993.JPG (287.2 KB, 86 downloads)
IMG_1994.JPG (252.48 KB, 85 downloads)

1967 GMC 9500 Fire Ladder Truck
"The Flag Pole"
In the Stovebolt Gallery
1946 2-Ton grain truck
1946 3/4-ton pickup,
1953 1-ton pickup
1957 1-ton flatbed dually,
1954 Pontiac Straight Eight
Of all the things I've lost in my life, I miss my mind the most!