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Buell_bert
| Posted on Friday, June 27, 2014 - 01:37 am: |
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I am still looking for the problem. Anyway I was sitting at a stop light and let out the clutch and it died. Lights and all worked but no starter click or turning over. I had to get to work so it got trailered home later. I found the ignition fuse blown so I replaced it and it turned over but I had to go. The next day it started and ran for 5-10 seconds and blew the same fuse. I then put another fuse in and now it stays running but of course I really don't trust it. 2001 M2L by the way. It sure sounds like a wire grounding and of course on the ignition circuit. |
Rocket_in_uk
| Posted on Friday, June 27, 2014 - 05:09 am: |
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If memory serves I had this problem about ten years ago. I seem to recall it being the relay shorting. Rocket in England |
Natexlh1000
| Posted on Friday, June 27, 2014 - 10:01 am: |
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One of my favorite tricks for finding intermittent fuse blowing: Take a blown fuse you already have and connect a headlight bulb to it. You can then wiggle wires around and see what lights up the filament. Headlights typically take about 5A once they are warmed up but when the filament is cold, it acts as a dead short. |
Hootowl
| Posted on Friday, June 27, 2014 - 10:45 am: |
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Unplug the speedo sensor and try again. |
Akbuell
| Posted on Friday, June 27, 2014 - 12:02 pm: |
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To second what Hootowl says: My situation involved an '01 X-1, but the electrical systems are probably quite similar. In my case, the ign fuse would blow as soon as the stop/run switch was placed in the run position. Finally located the problem as a short between the speed sensor signal-in wire and the speed sensor ground wire; the short was right were the wire bundle enters the speed sensor housing. Might try turning everything on, then wiggling the wire to the speed sensor right at the sensor. If the fuse immediately blows, you have most likely found the problem. Hope this helps, Dave |
Bikerrides
| Posted on Friday, June 27, 2014 - 06:40 pm: |
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Funny that this thread started today, just when I am having the same issue...with a twist. In early May, I rode some 90 miles and the bike just shut down pulling into a restaurant parking lot. Lights, gauges, etc, but fuel pump wouldn't cycle nor would it turn over. After lunch, I discovered ignition fuse was blown...new fuse and busted right off. No more probs until mile 89 back home when the exact same thing happened. New fuse and rode the mile home. Hit BWB for the answer and the speed sensor seemed to be the most frequent culprit, so I disconnected it and rode some 150 miles over several days and no blown fuses; no rides more than an hour long. Reconnected the sensor fully expecting to have the problem again, but have ridden easily 300-400 miles without missing a beat...until today. Rode the bike 30 min to work without issue. Took the long way home, about an hour ride, and made a brief stop to check on a rental property, and when I it the starter to leave after having the bike turned off less than 5 min, the starter engaged then nothing. As with 2 months ago, dash lights, head lights, etc, but no start. Check ignition fuse and its blown. Replace it and it starts right up. Shut it down and replaced the seat, then nothing. New fuse...immediately blown...after 5 fuses, I called a ride so I could make my 1:00 appt. When I returned a few hours later with tools in hand to remove the bodywork so I can disconnect the speed sensor, on a hunch, I put a new fuse in and it started right up. I kept turning it on and off and starting it up expecting it to blow a fuse...it didn't. Rode it home scratching my head. So, I tried what was mentioned above and wiggled the wires at the sensor's connector to see if there might be a short that might then blow a fuse...nopes. Each time I've had the blown fuses has been after an hour or longer ride w/out stopping, which doesn't really make sense unless there is something that gets heat saturated and then causes the blown fuses. Is there anything in the ignition circuit that this line of thinking might make sense? I can feel a stutter in the engine when running at steady RPM, which might indicate some kind of ignition problem that causes blown fuses after prolonged use. Any advice would be appreciated. |
Buell_bert
| Posted on Saturday, June 28, 2014 - 04:36 pm: |
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This is an update but a sorry one at that. Cannot get the little begger to blow again. Tried wiggling the speed senser and a crap load of other things. I have not taken it for a run yet. |
Bikerrides
| Posted on Saturday, June 28, 2014 - 06:38 pm: |
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Sounds like mine! Blew two in one day, then nothing for two months, then 5 blown yesterday, then mysteriously won't blow them. Go figure. |
Hootowl
| Posted on Saturday, June 28, 2014 - 07:11 pm: |
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The speed sensor can do that. If you haven't replaced yours with the updated part or put a 5v regulator inline, the sensor is the likely culprit. |
Buell_bert
| Posted on Sunday, June 29, 2014 - 12:21 pm: |
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Didn't 2001 have the updated one??? |
Bikerrides
| Posted on Sunday, June 29, 2014 - 12:50 pm: |
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Hoot, Whats the updated part#? |
Buell_bert
| Posted on Monday, June 30, 2014 - 07:58 am: |
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It looks like they upgraded it between 2001 and 2002. 2000-2001 part # was 74402-95 and 2002 it was 74431-01. At $62 from AL I really would like to be fairly certain. |
Hootowl
| Posted on Monday, June 30, 2014 - 09:49 am: |
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My recollection is that it wasn't updated until after the XB9 came out. Starting with the XB12, they supplied 5v to the sensor from the ECM. After that they updated the sensor with a built in regulator. I could be wrong. |
Hootowl
| Posted on Monday, June 30, 2014 - 09:51 am: |
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Al will sell you the correct sensor. However, if disconnecting it doesn't solve your problem, there's no need to buy one. |
Bikerrides
| Posted on Monday, June 30, 2014 - 09:53 am: |
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Will the sensor for the XBs work on a tuber? Before I buy one, want to make sure I don't run into this same problem again; if it were a $10 part, then no worries. |
Buell_bert
| Posted on Monday, June 30, 2014 - 01:10 pm: |
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Hootowl do you just unplug it and try to start it and see if it blows the 20A ignition fuse? Also I can now find 74431-01, 74431-01A, and a 74431-01B I would guess the 74431-01B is the latest and greatest. As usual THANKS to Ya'll and what a great place to bounce around info and ideas. |
Hootowl
| Posted on Monday, June 30, 2014 - 02:01 pm: |
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Yeah, just unplug the connector. Its a triangular three wire plug. |
Buell_bert
| Posted on Monday, June 30, 2014 - 05:36 pm: |
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Thanks Hoot. I didn't know if unplugging it would mess with the ign. control module and not let it start/fire/turn over or what? Soooo does anyone know the difference on the part numbers? |
Bikerrides
| Posted on Thursday, July 03, 2014 - 09:39 am: |
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So, while visiting Charleston, SC, I decided to call Low Country HD to see if they had the latest speed sensor listed above. They did, so I asked if it was compatible with my 99 S3; it didn't show up as the correct part#, but after some research found that Buell had issued a wiring update for the 99-2003 M2, S3, X1, and Firebolt due to the overloading of the ignition circuit with all the different safety switches and speed sensor added. Hence the blown fuses. They actually had the wiring update in stock, which includes the last speed sensor part# listed in this thread! I'll be picking up the $78 kit on my way out of town. Thanks Low Country HD for your knowledge and help on the matter. |
Buell_bert
| Posted on Friday, July 04, 2014 - 01:00 am: |
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Damn Bikerrides. I have never heard of that one. That would explain the voltage regulation in the updated speed sensor I would guess. Allthough, did they just need to increase the amp draw of the circuit to a higher rating or spread the amp draw to another circuit? |
Buell_bert
| Posted on Friday, July 04, 2014 - 01:51 pm: |
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Hey Bikerrides would you have the part # of the wiring update. Also what did it include beside the 74431-01B sensor? |
Bikerrides
| Posted on Friday, July 04, 2014 - 04:36 pm: |
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Part# Y0199.K Speed sensor rewiring kit 1999-2002 M2, S3, and X1 and 2003 XB9R Will post pictures of the kit on computer; can't post them from ipad for some reason. |
Buell_bert
| Posted on Monday, July 07, 2014 - 06:58 pm: |
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Hey Bikerrides just checking if you have pics of the update? Thanks. |
Bikerrides
| Posted on Monday, July 07, 2014 - 10:22 pm: |
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Here's a pic of the parts included in the kit:
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Rocket_in_uk
| Posted on Tuesday, July 08, 2014 - 05:27 am: |
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Are you able to confirm yet this has cured the problem? Rocket in England |
Bikerrides
| Posted on Tuesday, July 08, 2014 - 12:37 pm: |
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Haven't installed yet. I don't have the correct tool for the wiring, so uncertain as to whether I should attempt it on my own. However, I did ride the bike about 100 mi on Saturday w/out incident until I got home. Parked it for about 2-3 min then blew the fuse on start up. I then let it sit for about 2hrs, changed the fuse and it started right up. Very curious. I hope the rewire is the fix! |
Hootowl
| Posted on Tuesday, July 08, 2014 - 01:55 pm: |
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Did the fuse blow with the sensor attached or detached? |
Bikerrides
| Posted on Tuesday, July 08, 2014 - 02:11 pm: |
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Sensor was attached. |
Hootowl
| Posted on Tuesday, July 08, 2014 - 04:15 pm: |
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Man, I'd start there before spending money on kit you may not need. |
Buell_bert
| Posted on Tuesday, July 08, 2014 - 07:21 pm: |
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Also does or would the NEW part 74431-01B already include an internal resistor??? The kit there has the 74431-01A sensor. I think we need someone who really knows their shit on this. I have not rode mine yet but it still starts right up. The resistor is the kicker to drop the voltage I would think. Hey Bikerrides, it does sound like mine because I was doing a lot of stop and go riding in the city on a hot day and when it failed it was at a stop light. Cheers YA'LL |
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