Thanks for the reply I really appreciate it. So the firewall to interior connector i was referring to was just a bulkhead connector that runs the ecm wires into the interior along with some extras...

I guess basiclly what i'm asking is, the only wires I should need to save are the ones that plug into the computer and the obd port wires correct?

Hello to all, first time poster here.

I am currently in the process of transplanting a tbi 350 from a 1990 cadillac brougham into a 1981 bonneville. I have all the wiring torn out from the...