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Thread: Pro CDI

  1. #1
    BigDaddyPT's Avatar
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    Pro CDI

    Hey,

    I got a Pro CDI off ebay but when I got the package today, I was expecting the entire CDI but only got the box with all the wires coming off of it.

    This isn't compatibly with my 650 CDI box...just wondering exactly what CDI boxes this is compatible with in case I'm stuck finding something else.

    Thanks,
    Mark


  2. #2
    jcc011185's Avatar
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    The CDI goes inside the black metal box... as far as it being compatible with your 650, sealion, or ph2ocraft will have to verify that, but what you are looking at, compared to what you are comparing it to is something totally different.. the metal box, houses all the electrical components of the ski, and the CDI (that you just got) goes inside of that box... open it up and you'll see a slightly smaller CDI on the top half of the box. I'm pretty sure the wiring is going to be similar if not the exact same as for the 750's.. here is what Ph2ocraft sent me for the 750, and I used it for my 780 and it worked fine:

    Quote Originally Posted by Ph2ocraft
    I just verified the operation of the PRO CDI in the 93 750 today, it's perfect thus far, we'll see how it does once the triples are in.

    I'm showing the working RPM's of the 97 PRO785 is 7500RPm and the limiter is set at 7800 RPM. It also has 32 degrees advance at 3,000 RPM so I think it's going to work VERY well with the triples on the 750 (I can't wait). We'll see if I'll run it on 92 or if I need a little VP110.

    The PRO wires up much easier than I initially thought and goes as follows.
    Blue/Red from CDI to Blue/Red from the stator
    Red/White from CDI to Red/White from the stator
    Green/Red from CDI to Green/White from Stator
    White/Yellow from CDI to White/Yellow from Stator
    Black/Yellow from CDI to Black/Yellow from Stop Switch
    Black to Battery Ground
    Black to Box Ground

    I then seperated the wires from the coil pack and wired with individual pig tails as follows.
    Black/Green from CDI to Black/White on PTO Coil
    Black/Orange from CDI to Black/White on Center Coil
    Black/White from CDI to Black/White on MAG Coil
    Black from CDI to Black from Coil Grounds.

    I capped off the following wires from the CDI as I have no use for the exhaust valve electrical signals
    White/Black
    White/Red
    Light Green
    Green
    Red/White

    The last couple of wires
    Tan from CDI to Tan from Temp sensor
    Red/Purple from CDI to Red/purple at LR23
    Yellow/Black from CDI to Yellow/Black from CDI (you read correctly)

  3. #3
    BigDaddyPT's Avatar
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    ok...so I was mistaken in the actual CDI vs the whole electrical box. The CDI seems to be great, I just gotta figure out what electrical box I need. The 650 one is lame...lol.

  4. #4
    ph2ocraft's Avatar
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    BD what's wrong with your electrical box?

  5. #5
    BigDaddyPT's Avatar
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    Nothing is "wrong" with it. It's the electrical box off a 92 650. The pro CDI I got won't fit in it.

  6. #6
    BigDaddyPT's Avatar
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    The CDI is wider for the PRO compared to to the 650 so I can't mount it in the box so I'm looking for what electrical boxes this thing will fit into that is compatible with my ski.

  7. #7
    ph2ocraft's Avatar
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    Hmmmnn, I don't remember having an issue with mine and it went into a SL750 box. I'll have to open it and see if I just fabricated a little "L" bracket to get the job done.

  8. #8
    SeaLion's Avatar
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    A Pro 785 CDI is larger than the 650/750/780 CDI. I remember having to trim some inside my electric box to get it to fit. I'm sure you did too ph2ocraft.

  9. #9
    ph2ocraft's Avatar
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    I certainly may have but then I'm modding just about everything I touch so I don't even try to remember anymore. LOL
    I couldn't find pictures in my 750 project gallery but I remember that was about the time my truck and all its contents were stolen, camera included.

  10. #10
    BigDaddyPT's Avatar
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    oh man...that sucks about your truck and shiiiiiiiiiit. I suppose I could modify it...looking at the 750 electrical box, I saw that there are fuses on the top of the box...my 650 doesn't have this...is this bad? should I upgrade? What is the difference, if any?

    Thanks.
    Mark

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