1990 Chevrolet Blazer Q&A

1990 Chevrolet Blazer Question: 1987 chevrolet blazer won't shift

swaped transmissions and problem went away for one day then returned. In one manual I see the E-prom and in another I see a transmission operational start switch are these both the same item justv called something different and could this be my problem?? -
Answer 1
Did you get this checked out? If so, what was the problem? -