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Mercruiser injector harness plug sequence

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  • Mercruiser injector harness plug sequence

    I have 2000 Mercruiser 502 Mag and I am not sure what injector plug goes to which cylinder. I have looked up a few diagrams but my wire colors
    don't seem to match up. I do see numbers that I cannot find on a diagram either PED


  • #2
    The motor uses batch firing

    Click image for larger version

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    94 Formula 27PC Custom 509MPI MEFI3 , B3 XR
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    • #3
      That’s a hard diagram for me to find. Thank you

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      • #4
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        Originally posted by zero lash View Post
        That’s a hard diagram for me to find. Thank you
        its in the factory manual...... not hard to find at all.
        Cheesehead boating the Gulf Coast of FLA 27.51° N, 82.53° W

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