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Old Mar 25, 2018 | 12:39 PM
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Default Ignition issue

I have a 2007 Street glide that I put 10 inch twin peaks handle bars on it. It been sitting all winter not trying to start it it only fires on the front cylinder. No spark on the rear cylinder. Coil test good a long with the wires any thoughts would be greatly appreciated.
 
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Old Mar 25, 2018 | 04:53 PM
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I assume that the problem arose after the handlebar change? If so, retrace your steps and check the wiring you worked on in doing the bar change.
 
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Old Mar 25, 2018 | 06:24 PM
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Originally Posted by Steve Stephani
I have a 2007 Street glide that I put 10 inch twin peaks handle bars on it. It been sitting all winter not trying to start it it only fires on the front cylinder. No spark on the rear cylinder. Coil test good a long with the wires any thoughts would be greatly appreciated.
First swap plug wires and see if the problem moves.
If it does get new wires. If it doesn't get a new coil.
I had a coil that passed all the tests but still wouldn't fire, I replaced it with a new OEM coil and it lasted 8 miles, replaced that one with an aftermarket one and it's still going strong.


Originally Posted by dawg
I assume that the problem arose after the handlebar change? If so, retrace your steps and check the wiring you worked on in doing the bar change.
I can't think of anything in a handle bar change that will cause a bike to run on one cylinder.

OP what I posted above applies to dual fire ignitions.
Not sure if you have one or not but if you have single fire it won't help you a bit.

I'd suggest getting a new coil just in case.
 

Last edited by ChickinOnaChain; Mar 25, 2018 at 07:22 PM.
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Old Mar 25, 2018 | 09:44 PM
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I've switched wires at the coil and the problem moved so I put a different coil on and the problem continues. I'm wondering if the pcu is in a limp mode. I've probed all wires in the new bars and found shorts to gound. Normally I would expect that it would be ignition module but that's run through pcu please someone correct me if I'm wrong. Any more information from everyone would be greatly appreciated
 
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Old Mar 25, 2018 | 09:44 PM
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I found no shorts to ground
 
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Old Mar 26, 2018 | 08:28 AM
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Originally Posted by Steve Stephani
I've switched wires at the coil and the problem moved so I put a different coil on and the problem continues. I'm wondering if the pcu is in a limp mode. I've probed all wires in the new bars and found shorts to gound. Normally I would expect that it would be ignition module but that's run through pcu please someone correct me if I'm wrong. Any more information from everyone would be greatly appreciated
Have you ohmed out the spark plug wires?
 
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Old Mar 26, 2018 | 08:49 AM
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Yes wires tested good
 
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Old Mar 26, 2018 | 10:32 AM
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If the problem moves from back to front when you switch wires, it would suggest the wires are bad.
 
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