go to http://www.inliners.org/ click on tech tips,choose t-5 tranny page. I believe they were changing over to electronic speedo in 1988,some manuals were still produced.You can look at the tranny to identify if it has the electric plug or the manual thread on fitting.
Hope this helps !!


1951 3100 Chevrolet
1951 Chevrolet Suburban Carryall
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