1996 SeaDoo XP 787 - NO SPARK
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  1. #1
    PWCToday Newbie
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    1996 SeaDoo XP 787 - NO SPARK

    Hello all! So, I did the dumb thing that people do sometimes and hooked the coil ground lead to the positive post. I know you guys have seen this before. I've read a couple threads on it but, alittle confused on my next step.

    So first I replaced the coil. It melted. I did not however replace much of the wiring going to/from the coil.

    No fuses in the rear or front compartment were blown.

    The ski beeps once (I think) and turns over.

    Now I've heard about testing a "signal wire" which I guess is the white one. I havent done that yet. I've also heard to check ignition pickup and the ignition module.

    Not quite sure what/where to check for these things.

    Any help would be awesome. Trying to figure this out cause it's a really fun boat.

  2. #2
    PWCToday.com Is My Home Away From Home Matt Braley's Avatar
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    Re: 1996 SeaDoo XP 787 - NO SPARK

    Yeah greatest toys ever made.

    Pull the white wire off the + side of the coil and stick a 12v test light probe in the wire. The alligator clip end of the test light needs to be grounded(needless to say). After putting the key on and spinning it over like your trying to start it you should see a faint glow in the test light. This confirms weather or not the coil is getting signal. if it's not then you may have fried the pickup in the mag cover, the MPEM, the CDI, wiring or any combo of those.

  3. #3
    PWCToday Newbie
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    Re: 1996 SeaDoo XP 787 - NO SPARK

    Thanks, over the weekend I will try this test out. I’ll let y’all know the results.

    I did hear that if it turns over the mpem is functioning properly. Is that true?

  4. #4
    PWCToday.com Is My Home Away From Home Matt Braley's Avatar
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    Re: 1996 SeaDoo XP 787 - NO SPARK

    No the MPEM has a lot of functions in it. It can turn the machine over but still be the reason there is no spark.

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