Ignition Control Module
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5th Gear
Joined: Mar 2013
Posts: 9
Likes: 0
From: British Columbia
Ignition Control Module
I have a 1989 FLHTC which i've owned from brand new.I'm having a problem with it cutting out like it's out of fuel when it warms up after riding for about 10-12 mile. It will die out then come back on then die and so on. It starts fine, if i pull over and shut it off it will start good. Then it will do the same thing again on and off. It's getting lots of fuel. Any thoughts on this.Can the ICM give symptons of like running out of fuel?
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
Likes: 402
From: Phoenix '53, '88, '09 Big Twins
the sensor is under the cam cover- you could have a rubbed wire, or the sensor may have gone wrong ( some techs will spray a can of "cool stuff" to see if the system craps out or gets better.
the ignition module is under the right side cover, you could unplug and plug back in, see it that helps solve a bad connection.
the crane hi4E is a great replacement- you can set up for dual fire ( coil for each plug) if you want.
there is also an evo forum, you may want to check there.
most guys on this forum have late model bikes.
you may save yourself alot of trouble if you were to get a tech to go over the bike and check the ignition system and the carb and intake manifold etc. the fuel screen on the petcock
new plugs and wires, a basic tune up
mike
the ignition module is under the right side cover, you could unplug and plug back in, see it that helps solve a bad connection.
the crane hi4E is a great replacement- you can set up for dual fire ( coil for each plug) if you want.
there is also an evo forum, you may want to check there.
most guys on this forum have late model bikes.
you may save yourself alot of trouble if you were to get a tech to go over the bike and check the ignition system and the carb and intake manifold etc. the fuel screen on the petcock
new plugs and wires, a basic tune up
mike
Last edited by mkguitar; Jul 15, 2013 at 10:42 PM.
Extreme HDF Member
Joined: Jun 2011
Posts: 10,216
Likes: 224
From: Glendale AZ
Although its been some time ago, my module was pretty consistant in the way it would act. The way I remember it, it would need to run at highway speeds for 30-40miles then it would start to cutout as if it was running out of gas or a plug was fouling. Harley couldnt get it to fail because they didnt take it out long enough. I figured it out for myself and problem was solved after replacing the module. Not saying thats what the OP has going on but I am saying it sounds very familiar....individual results may vary.
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5th Gear
Joined: Mar 2013
Posts: 9
Likes: 0
From: British Columbia
Well i know that's it's getting fuel, i've rebuilt the carb andit just seems that that's the next step is the ICM.
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