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Recent content by Tom Maslar

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    Mercruiser 3.0 no spark

    😁💯
  2. T

    Mercruiser 3.0 no spark

    Im surprised it is not plug and play to adapt? Thanks for the info. I learned a ton about my boat figuring this out. I already taught myself to do the gimble, u-joints, bellows, shift cable etc. Just one more piece to the puzzle. Repair on long island is unavailable for old boats like mine...
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    Mercruiser 3.0 no spark

    I believe distributorless ignition was used 90 to 94 on some models, or 89 to 93..not sure. Anyway, silly not to just write delco Est. I put that on with a label machine for the next guy or me in 6 months...lol.
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    Mercruiser 3.0 no spark

    No, it was a brittle factory plug and had blue, orange and purple. Sorry, if I miss spoke. Purple is part of the ignition circuit and excitation takes place at a confluence, near the transom, downstream. Orange indeed plugs to red and enters fuse box at 20 amps . Again, sorry if I got any of...
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    Mercruiser 3.0 no spark

    Funny you should say that. You are close. I stumbled on the solution today after pouring over schematics, forums etc., for almost 10 hours. Its a 1992 Rinker 181 Withe Delco Est, most likely added later by the first owner. I bought it in 98. The air cleaner says digital electronic ignition. I...
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    Mercruiser 3.0 no spark

    Yeah, I know that, lol. I depressed it when attached to a multimeter set to tone continuity to test that it functions. I got a tone, so it functions when depressed. Sorry for the confusion but these things can be difficult to explain.
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    Mercruiser 3.0 no spark

    I have power to the ignition switch and the motor turns over. When I remove the electrical plug on the coil that has the purple wire, turn key to on position, I get one volt. When I disconnected the leads on the shift interrupter switch it shows continuity tone on a multimeter when the lever is...
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    Mercruiser 3.0 no spark

    Yes
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    Mercruiser 3.0 no spark

    I have continuity with ground on the purple wire at the neutral safety switch. I also have no power on the purple wire to the coil. I am getting no spark.
  10. T

    No Spark Digital Electronic Ignition motor

    My mercruiser 3.0 with digital electronic ignition, a 1992 model, will not start after installing an alternator. I don't see a spark either. It ran great before this but was overcharging. Two wires were disconnected on the old alternator. Those wires are the sensing and excitation. Well, I...
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