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Discussion Starter #1
Which is the positive and negative on the ignition coils primary? One is green and the other is black. Should I assume that the black is negative, therefore the green must be positive? Somehow, the female connectors have been reversed on both my coils. On one coil, the red connects into green, and the other coil has the red connecting into black, etc. :confused:
 

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Green is normally negative Earth on a motorcycle, black will be the positive.
They are isolated primaries though so in theory it doesn't matter which way round they go as it's just a coil.
 

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Discussion Starter #3
That's good news. Now I have confidence in knowing I'm not damaging my coils. Thank you for that bit of info.
 
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