Without knowing what you are doing that you think you need a different computer that would be hard to say.I have a 88 SD WHICH COMPUTER SHOULD I RUN? DA1???
I have a 88 SD WHICH COMPUTER SHOULD I RUN? DA1???
5 spd or AOD?
is the wiring original to the car? No motor swap or 4cyl swap? All original 1988?
it matters