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Thread: Looking for 20 valve wiring diagrams

  1. #1

    Default Looking for 20 valve wiring diagrams

    Does anyone have a full wiring diagram for a 1998 20 Valve? I'm currently swapping my 4ac out of my 84 corolla, for the black top 20 valve. I just need some help with the wiring.

  2. #2


    Can you please let us know what vehicle the engine came from, the number of connectors on the OEM ECU, e.g. 22p, 16p, 10p, and what kind of air flow meter it has. That way we can try and match it with the information we have.

    MAP-ECU Support

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