As it says in the following post, I have a '92 body with '95 engine and harness. Might be the solution.
"have you had your efi harness replaced recently? - spyhunterTT(nj) 04/13/09 17:39:45 There is a secondary connector near the ecu that serves as the interface to a few items, specifically, the fuel pump and controller and the consult port. There are two pairs of wires that are identical colors...orange and yellow/red if I recall correctly. I ran into this issue with a customers car before. I swapped the wires and it started working again.