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  1. J

    79 Evinrude 75HP (75943R) - Starter engages immediately, but only when solenoid is mounted

    RESOLVED! It was the rubber boot from that battery terminal that was touching the neutral safety and ground wire terminal. You can see it in the pic above. I never would have guessed this. While trying to figure this out, I read somewhere that these old rubber boots can sometimes get dirty...
  2. J

    79 Evinrude 75HP (75943R) - Starter engages immediately, but only when solenoid is mounted

    Old (dare I say original?) before I touched a thing.
  3. J

    79 Evinrude 75HP (75943R) - Starter engages immediately, but only when solenoid is mounted

    Here's an actual photo of the new Sierra 18-5808 Solenoid wired. You'll see the cushioning band is completely degraded and so I've removed and wrapped the solenoid in electrical tape where that cushioning band is. A legend for this photo: Blue Arrow = Starter side of solenoid Yellow Arrow =...
  4. J

    79 Evinrude 75HP (75943R) - Starter engages immediately, but only when solenoid is mounted

    Its the yellow/red wire that comes from the Large Red terminal. See the blue arrows in the image below Thank You!
  5. J

    79 Evinrude 75HP (75943R) - Starter engages immediately, but only when solenoid is mounted

    @racerone: I've ordered and have been attempting to use; Sierra 18-5808
  6. J

    79 Evinrude 75HP (75943R) - Starter engages immediately, but only when solenoid is mounted

    I had referenced that exact wiring diagram and its wired correctly. Also, it works perfectly when free hanging (not mounted). So frustrating!
  7. J

    79 Evinrude 75HP (75943R) - Starter engages immediately, but only when solenoid is mounted

    Important, I'm no mechanic! Just someone trying to help out. Anyhow, I'm troubleshooting a strange starting issue on a 1979 Evinrude 75 HP (Model 75943R, S/N J0001903) and I'm hoping someone familiar with these older OMC electrical systems has seen this before. Last year the boat developed a...
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