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Buell Motorcycle Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » BB&D Archives » Archive through November 27, 2008 » Ecm taking a dump? « Previous Next »

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Blk_uly
Posted on Wednesday, November 05, 2008 - 06:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Strange things afoot. The other day wile taking a ride with the wife the motor just dies like the kill switch was just turned off. When the bike comes to a stop the only thing lit is the high beam indicator. Every thing else is dead. I turn the key off and all the dash lights come on but are dimly lit then I remove the key and all dash lights stay ON! W. T. F. I put the key back in turn the ignition on again only the gauges cycle [speedo,tach],but nothing, only the high beam indicator no starty no fuel pump nada! So as I'm go through all of this I begin to remember somthing like this happening to another 08 uly here on bad web but for the life of me I can't remember where. I tried to search but no luck. Does this sound familiar to any one here? please help blk is my daily ride its at the stealer ship under warrante but I thinks "they be stumped" because all the said so far is loose bat. terminals but It was me who loosened them to make the dash lights go out! any way if any one can help I would be much obliged. thanx
Jeff
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Wheelybueller
Posted on Wednesday, November 05, 2008 - 07:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Check the Ignition switch and wiring.
Also look at grounds,not necessarily at the battery.
Hope this is useful.
my $.02
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Froggy
Posted on Wednesday, November 05, 2008 - 08:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Check the battery terminals are on tight : )
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Rwven
Posted on Wednesday, November 05, 2008 - 08:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Right here! Trust me on this, take it to the dealer. You have a bad ground somewhere. Check the ground terminal on the plug going to your fuel pump, it may be burned off. If it is this is a symptom of the problem, not the problem itself. Has your bike intermitently been starting hard with the lights flashing while you are starting it?

(Message edited by rwven on November 05, 2008)
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Blk_uly
Posted on Wednesday, November 05, 2008 - 08:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I apreciate your .02 the dealer mentioned that also.
Imediatly after this I removed the seat, checked the battery cables, they seemed tight but for s@#ts & giggles I disconnected the cables gave them a wiggle and reinstalled them they seemed fine so I tried again still nothing. 2 or 3 tries and a few choice words later it fired right up and I drove away. That was Sunday. Monday no problem 10-15mi. round trip to work. Then tuesday It happened again two or three times. I new I had to get to the dealer so I cleaned the battery terms real well and used silicone dialectric compound she fired up one last time. the plan was to go vote than to HD for diagnostics but I never made it.
she died
I called for a ride
felt so sad on the inside
but I din't quit I jumped In the truck retrieved the uly and dropped her off before 7pm closing time. Any way do any of you guys recall hearing of similar symptoms here on bad web within the last 2-3 months
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Blk_uly
Posted on Wednesday, November 05, 2008 - 09:12 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Reven I would not be surprised at all if it was a ground. In the past, on this same bike, I had a bad ground in the turn signal. I traced it to a ground point on the steering neck just like another bad webber here but I'm not sure who. Turns out the assembley dudes or whoever did not strip the wire completely before crimping the ground connecter so could be something as simple as that I hope.

(Message edited by blk_uly on November 05, 2008)

(Message edited by blk_uly on November 05, 2008)
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Rwven
Posted on Wednesday, November 05, 2008 - 09:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Mine burned up the "86" connector that goes to the fuel pump and that, combined with my "warranty" and dealer experience, has pretty much destroyed my confidence in my Uly.
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Blk_uly
Posted on Wednesday, November 05, 2008 - 09:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I so sorry your experience sucked but I've had worse problems on a bike many would consider more reliable[kawasaki meanstreak]. I'm still willing to give her another chance. It's just to much fun to ride for me to hate her...just yet.
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Rwven
Posted on Thursday, November 06, 2008 - 06:45 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

There is still no bike I'd rather ride, I only wish that I was convinced that my electrical problem was actually solved. She's running great at the moment though!
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Etennuly
Posted on Thursday, November 06, 2008 - 10:16 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

My '06 did all manor of weird things when the ground wires at the steering head broke due to the throttle cables being threaded through the loop in the wires.

If you have a decent dealer and you are still under warranty, I have found that if you diagnose the problem and allow the dealer to fix it, better things happen than if you fix it yourself and perhaps cause another problem.
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Hootis29
Posted on Thursday, November 06, 2008 - 11:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Between the fuse box and the tail section are two ground posts.

IF YOU OWN A BUELL CHECK THESE!!!!!!!!!!!!

You cant just check them for tightness, you have to remove them and clean the screws, and buff some paint off the tail-section.

These little bastards cause some weird chit..
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Blk_uly
Posted on Thursday, November 06, 2008 - 06:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Update:
Don't you know when the tech at HD got the bike to look at It ran fine no problems at all to speak of. he took it out for a ride three times and nothing. He calls me back this afternoon and very politely explained to me that I would have to be the guinea, pig take it for a ride, and see what happens. I agreed, it's really the only way. 4:30 pm today I picked It up and rode away. I didn't even get 1/2 mile and It did it again! I called the dealer And told them were I was and they came and got me.
By this time the tech had gone home. 20 min later I got I call the same tech had returned because he forgot something and saw the bike on the trailer so he went to look reconnected the battery term and bang. now he saw it. He agreed whit me and thinks it the ECM also. he said he'll call bmc tomorrow and we shall see what they say.
thanks to all for chiming in to help. I'll keep you all posted when I here From them tomorrow.
Jeff

(Message edited by blk_uly on November 06, 2008)

(Message edited by blk_uly on November 06, 2008)
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Blk_uly
Posted on Sunday, November 23, 2008 - 11:05 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

sorry to update so late but I was busy riding. I'm sure you guys understand. turns out y'all were right about the grounds. The tech at harley, with the help of buell techs in troy figured out the problem. The ground points behind the fuse box, battery cable ect. They had to scrape the paint off under the ground connectors and install star washers on them. problem solved! thanks for all your input.
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Cycletlh
Posted on Wednesday, November 26, 2008 - 10:45 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Etennuly wrote: "If you have a decent dealer and you are still under warranty, I have found that if you diagnose the problem and allow the dealer to fix it, better things happen than if you fix it yourself and perhaps cause another problem."

I understand the intent of your post was different than my following reply.

Some of us don't have a good dealer or the dealer is far away. A trip to the dealer is always a week plusssss. The beauty of this board is with information, problems like Blk Uly's can be fixed beside the road. My rides are 150 - 400 miles per day in remote locations. Just retrieving a broken down bike can be a challenge. Our riding season is short. Down time makes it shorter. If I can do preventative maintenance or fix it myself I can keep riding. That's what I bought the bike for.
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Red_chili
Posted on Wednesday, November 26, 2008 - 01:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Here is another little tip:
My BAS seemed to keep failing (that is, killing the motor for no particular reason. Cycle the kill switch and it fires right up). The symptoms matched exactly. So the dealer put in a new BAS, warranty, no problem.

The bike subsequently goes out of warranty.

Yep, you guessed it, the problem then recurred. It was a real headscratcher all around, but BMC suggested installing the low seat spacer block (I don't have the low seat). Covered under warranty, no problem.

Hasn't recurred. Yet. The suspects are the ECM connectors; they are likely being pushed down by the seat pan leading to a momentary loss of connection.
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