Originally Posted by HELMUT RONER
Just some info for future reference. The 1991 wiring harness is not a *direct* swap into a 1988. A lot of hacking, wire chasing, splicing and soldering needed to get that harness to work. I've done the actual fitment for those two same years and it didn't work. Wire colors changed 1987-1989, 1990-1991, 1992-1993.
I have taken every single wire and put it into an empty shell.....it has to work!! no mix matching here...column.....everything is swapped...it has to work....why would it not?