Question about 2003 Harley Davidson FLHTCUI Electra Glide Ultra Classic

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2003 Hatley Ultra, Cruise will not work. Dealer spent 2 days working on the problem with help from Milwaukee. Everyone gave up. Bill

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Wow, I can't believe they gave up....they are the experts, they should just order the entire assembly strip out the old and add in the new, aparently they are not finding an electiical malfunction in the system and that is understandable as they are mechanicaltechnicians and not electronics techs, we would come up against this sort of situation from time to time in our dealership as we couldn't bench test the computer in a complete way, so we would send it all back to the factory and we would get a replacement assembly for it, this however was not related to a cruise control problem but rather a no start condition on early GM's.I have before me a phone # and web page for a company that makes sells and has all the installation directions easy to read and easy to follow for Harley cruise replacements.
I feel your pain man, this is one condition that no one is going to come up with the solution over the wires, and as you can see even hands on as a defeat!!
Well here goes and i hope these folks can help your situation out. is the web page and here is the phone#: 1-620-279-4253.
As we speak I have put a call through to them in regards to your situation please provide me with all the pertinent information on this bike and what they are saying is or isn't happening when the cruise is pushed on.

Posted on Jul 15, 2010

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  • wdunn717 Jul 15, 2010

    The light comes on when the rocker switch is in the on position but the cruise control will not turn on. Harley replaced the Cruise module (Tested Bad) but this made no difference. I was told that with Harley factory they traced out and checked the electrical system and found no problems related to the cruise control.

  • JOHN DAVIDSON Jul 15, 2010


    I spoke to a fellow named Dave down in Kansas, he is a real nice guy and said he will try to walk you through some of the test proceedures if you wish, his phone number I provided in the last e mail to you, seems he is very familiar with the cruise electrical systems and had asked me to have you talk with him. Even if you don't go with the testing proceedures he will surley give you a real good direction to go in as he and his company specializes in cruise control parts and harnesses.

    Perhaps through what you have witnessed he may come up with something?

    Please keep me posted and best of luck.

  • JOHN DAVIDSON Jul 15, 2010


    STOP ! If you have any LED brake lights, the cruise WILL NOT WORK unless you install our "Brake Bulb Simulator"

    The cruise will think that the brake is on all the time. An LED brake light has current to it at any time the ignition is on, for the tail light. To make the LED a brake light, it simply gets more current (resistance) which makes the LED brighter for the brake light. In any event, the cruise sees power to what it thinks is the brake light and will not let the cruise work. Be sure to order our "Brake Bulb Simulator" if you have, or plan to have, any LED brake lights. LED turn signals do not affect cruise control, unless they also act as brake lights.



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