That's a Harmon Racetronic computer you have in there.
My Uncle had one in his Buick.
You have the super deluxe RACETRONIC III model to boot.
Check out this HARMON Catalog I posted earlier w/photos of Linda in an SSJ.
https://www.yenko.net/ubbthreads/ubbt...446&page=1
RACETRONIC is shown in lower right in 2nd photo below.
