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Coils- OEM/Aftermarket - shorting issue

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  • Coils- OEM/Aftermarket - shorting issue

    Hi,
    I have a 1999 Roadstar 1600V
    I've had an issue with it slowly burning out coils, and previously my CDI. This occured when my wiring harness rubbed thru and shorted out. At that point I repaired my wiring harness, replaced my CDI with the DYNA3000, replaced my pickup coil, voltage reg, and battery as well. i had a set of new coils (Ebay) that I threw on while doing plugs etc. The bike ran great for half the season and then ate a coil again..... changed out the coil and it was good for awhile and then ate another coil. I've checked my charging system, its 14.2 volts and everything is in spec. I did start popping a fuse when I put on my right turn signal at times, but not every time.... perhaps back feeding into the ignition system blowing a coil? plugs, spark plug cap resistance and wires are good, all grounds good).

    Any suggestions on what else can cause this? Its not bad enough to blow coils right away- it happens over time. If it was cheap coils I would expect one to blow, not continually over time....

  • #2
    I do not have an answer for you,
    other than the obvious part that if the harness rubbed through in one place, it may have done it in another.

    And to double check the original repair you made to the harness.
    If you don't have any other ideas, I'd take it apart and redo the fix. It can be easy to miss something on the visual inspection.

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