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23rd January 2021
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Biker
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Join Date: Sep 2020
Posts: 10 Sportster/Buell Model: XL1200V Sportster/Buell Year: 2014
Reputation: 10

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'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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24th January 2021
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XL FORUM TEAM MEMBER
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Join Date: Feb 2013
Location: Let Freedom Ring in PA
Posts: 8,261 Sportster/Buell Model: Sportster 883►1200 Sportster/Buell Year: 1994
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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
IXL _______ >>>> My Motorcycle Chronicles Are Here <<<<
For FREE Sportster Tech Info from the XLForum:
Explore The Sportsterpedia - An XLForum Information Resource!
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