Joe - Just a stab at this, but it looks like a 1967-72 Blazer tilt column. The only difference I can see, is it seems to have a 1974 and later 4-way hazard on-off push button switch.

Hopefully others will chime in soon. wink


~ Dan
1951 Chevy 3 window 3100
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"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)