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Ran across a guy on FB that has a NIB harness from Fuel Injection Connection that he made me a pretty decent deal on.
The only thing I can't remember is how relevant the ECM numbers are. When you order a new aftermarket harness, the manufacturer typically asks you what ECM you are using. The guy with the harness doesn't know what ECM he specified when he ordered it in 2011.
What are the potential issues? What ECMs are interchangeable?
If TBI, I know the late 80s ECMs are different than Later 90s TBI PCMs. Totaly diffrent harness connectors at computer.
Also if Automatic on later ones. Quite a bit of wires missing if a manual harness is being used on a Electronic 4l60e, 4l80e.
Those are the main points I know.
Never visited that side. But Van harness and truck harness are diffrent. Cars all all together different. Same sensors, but computer to engine compartment leads are different lenth.