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Buell Motorcycle Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » BB&D Archives » Archive through January 19, 2007 » New Uly shift light , aka neutral light « Previous Next »

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Flynuly
Posted on Wednesday, December 20, 2006 - 07:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Anybody else out there seen this; my neutral light comes on every time I pull the clutch lever all the way in. Works as advertised with the bike in neutral. When in gear and riding or not pull clutch lever in and the light comes on until lever is slightly released. This makes it a pain to find true neutral. I have not pulled the forward sprocket cover to TS the switch as per maintenance manual yet. Will get to it this weekend.
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Murraebueller
Posted on Thursday, December 21, 2006 - 01:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Be sure to check the switch that's attached to the clutch lever to be sure the problem isn't there.
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Fastfxrs
Posted on Thursday, December 21, 2006 - 07:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The same thing happened to mine after the dealership did my kickstand recall fix. I brought it back in and the "shift light" problem went away. With the "shift light" I could'nt start the bike with the kickstand down. Now I can again. Still don't know what they adjusted to fix it.
Tim
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Flynuly
Posted on Thursday, December 21, 2006 - 07:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Murrae-
Thanks I hadn't even given the clutch lever switch a thought. I will be sure to look at that if the neutral switch checks out.

Tim-
It has been a while since I had the kickstand recall taken care of. I have been doing some electrical dodad work and wanted to make sure it wasn't something I screwed up before taking it to the dealer and falling on my sword.
It is good to know this has happened to someone else, i was beginning to wonder. Mine still starts with the kickstand down.
Thanks
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Jamesxii
Posted on Thursday, December 21, 2006 - 09:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Sounds to me that the problem is related to the starter safety cutout. I'm not sure exactly how it is wired on the uly but on the firebolts the starter will not function unless the bike is in neutral or the clutch lever is pulled all the way back to the handlebars. It sounds to me that the clutch switch is energizing the neutral light either instead of or along with the starter safety cutout. Find a service manual or wiring diagram and check electrical connectors to your starter relay sounds like some wires are crossed.
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Wtcardr
Posted on Friday, December 22, 2006 - 07:40 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Do not trust te green light to find neutral!!
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Rays
Posted on Friday, December 22, 2006 - 10:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm with Ben here - there is a diode that normally prevents the clutch switch from activating the neutral light. The diode plugs in along with the fuses in the fuse box. In simple terms, a diode acts like an electrical one-way valve - pardon me if I'm telling you something you already know,
The way this starting interlock is supposed to work is that the starting relay must have a ground provided by either the gearbox being in neutral or the clutch lever pulled in.
The diode is in the circuit to ensure that only the neutral switch ground turns on the neutral lamp but either ground will enable the start relay.
If the diode was plugged in the wrong way around I suspect this would create the situation you are describing.
Pop off the fuse box cover and look for the diode (front, left-hand side and is marked like an arrow-head against a line, similar to this -|<- .
The arrow should point to the left-hand side of the bike. If the arrow is pointing in the correct direction then there is also the possibility that the diode is shorted out and behaving like a piece of wire rather than a diode but I would think this would be very unlikely.
Please PM me if you need simple procedure to test the diode if it comes to that.
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Flynuly
Posted on Saturday, December 23, 2006 - 10:29 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ray & Ben
You guys just save me hours of pulling my hair out. I was going to start today but read your post first.
THANK YOU, THANK YOU!!!
The diode was installed backwards by ME. I popped a fuse three weeks ago during a driving light install that lasted a month due to an unexpected business trip. While looking for the fuse I'd pulled the diode and during the final close up didn't catch that it was installed backwards.
Thanks again,
Tim
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Murraebueller
Posted on Saturday, December 23, 2006 - 12:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Way to go, dude! We have seen the same here. Live and learn. Merry Christmas- now go ride.
Murrae
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Fastfxrs
Posted on Saturday, December 23, 2006 - 12:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Brain Fart here. I just looked through my warranty paperwork. They put the diode in the right way as a fix. I had inadvertantly put it in backward also when I was checking for a blown fuse from my hot grips. That was sure nice of them to fix my goof.
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Jamesxii
Posted on Saturday, December 23, 2006 - 03:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks Ray. I saw the diode in the wiring diagram (for my 03 Blast) but it didn't even dawn on me that that could have been the problem.
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