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  #1  
Old 23rd January 2021
gwd1994's Avatar
gwd1994 gwd1994 is offline
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Default '14 Sportster Coil Leads Question

So I had someone do a coil relocation for me a while back while having some other work done. The bracket I was using ended up flipping the coil around, such that when you connect the spark plugs wires, they would be criss crossed at the coil.
The fix for this is to flip the leads on the molex going into the coil, so the plugs are straight.
However I have decided to go with a different way of mounting I like more, which flips the coil back around to where the plugs run uncrossed when the molex is wired stock.

Long story short, in looking at a wiring diagram, it looks to me like the guy who did the coil relocate didn't actually flip the coil leads when it was installed. I just wanted some confirmation on if the molex leads are right or if I need to flip them. (I tried contacting the mechanic but he has not been very responsive...)

I'm not able to post pictures, but from left to right on the diagram, it's:
Red/green: power
Light green/brown: ion sense
Grey/blue: rear ignition coil
Green/blue: front ignition coil

This is for a dyna, but I believe they use the same coils.
The wires going into the molex clip on my sportster match this order, so it makes me think the guy didn't even bother with the leads at all.
If someone could confirm that I do in fact have the coil leads wired up how it should be stock, that would be awesome.

Thanks!
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Old 24th January 2021
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IXL2Relax IXL2Relax is offline
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Sportster/Buell Model: Sportster 883►1200
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Default

The 2014 Sportster Schematic shows:

COIL Pin A - RED/Green ------ System Power -------- BCM-L3
COIL Pin B - LtGREEN/Brown -- ION Sense ----------- ECM-78B1-9
COIL Pin C - GRAY/Blue ------ Rear Coil Trigger --- ECM-78B1-1
COIL Pin D - GREEN/Blue ----- Front Coil Trigger -- ECM-78B1-2

You can use a multimeter on OHMs to verify these connections.

Here's the Sportstpedia section on the COIL:
http://sportsterpedia.com/doku.php/t...on_coil_design


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