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Are all C100's the same?

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  • Are all C100's the same?

    Im putting a 3.4DOHC in my 86 Fiero. I have the female C100 from the body of a 93 Lumina that Im making into an adapter harness to make the wiring plug and play when I get the engine. Im getting a 96 engine, the plug from the engine will fit in my harness right?
    Adam
    PS, the proper pronunciation is FIIIEEERRRROOOOOOoooooo my GOOODDDD!!!!!


  • #2
    I don't think the 96 plug will work with a 93 plug. In 96, GM switched over to OBD2 and I have to assume that that changed also. I know the ALDL port is different... You are talking about the firewall plug, right?

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    • #3
      the plug itself is the same from 88-96 I believe. Most the wires are the same but there were changes. 93 and 94 are different, 95 and 96 are different, etc.

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