Anyone notice the thing that looks similiar to an EGR valve sitting almost behind to the elft of the EGR valve?

Unless maybe the car has california emisions im not sure what that is.

Never seen that on my supercharged grand prix.

It might even be easier to get a new engine harness on ebay from say morad, they are usually year specific unless you want to modify.

Not that bad to change out either, I just replaced the engine in jkine and the harness was quite easy to reinstall.