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    2000 4 Stroke Mercury 40hp No Spark #2 cylinder

    I do have the Factory Manual The stator voltage at the green/white and the white/green is approx 270 to 290 vs 250 to 330 in the manual, in spec but low. The primary at the coils is 175 to 275 vs 250 to 320 in the manual, i would say out of spec at idle. It passes an ohms test. So how do you...
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    2000 4 Stroke Mercury 40hp No Spark #2 cylinder

    OT232114 2001 40ELPT 4S I don't know why or where I need to convert rms voltage to peak voltage to troubleshoot my problem?
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    2000 4 Stroke Mercury 40hp No Spark #2 cylinder

    It's on this forum. It is very simple to build. I need to get a set of piercing probes to do more testing. Unlike the resistance tests where you can disconnect and probe you need to get readings while everything is connected.
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    2000 4 Stroke Mercury 40hp No Spark #2 cylinder

    I built a DVA and tested the Stator charge coil and that passed. The Primary coil test i'm not sure. It's says to use an Orange wire, there is no Orange wire.
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    2000 4 Stroke Mercury 40hp No Spark #2 cylinder

    I have not, I don't have one. I've seen mention of them but I'm not even sure what they are.
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    2000 4 Stroke Mercury 40hp No Spark #2 cylinder

    I said I did that and there was no change. The stator tests good. I guess I just need to replace it because the tests they have in the manual obviously don't work. From what i've seen in other people's experience with the same problem I may have to replace every part and it still won't run.
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    2000 4 Stroke Mercury 40hp No Spark #2 cylinder

    It has three coils total, one per cylinder. Swapping a good coil to #2,still no spark. I've read you should disconnect the good one's, one at a time also and see if the dead one comes back. It does not. The ohms test on the primary is at the high end of the range on all the coils and I was...
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    2000 4 Stroke Mercury 40hp No Spark #2 cylinder

    Hi I see no solution for a couple of people with this same problem, even when they threw two new ECM's at it. I've tested everything I can test and everything is good. Even if I wanted to go to replacing the ECM they aren't available new, so that would be a crap shoot. Has anyone seen this or...
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    No Spark on #2. Sensor Related?

    Did you solve the no spark issue? I'm having the same issue on a 40hp 4 stroke.
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