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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through June 13, 2011 » De-noid + sub harness « Previous Next »

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Beugs
Posted on Tuesday, June 07, 2011 - 09:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I just had my CEL and battery light come on on the ride home today and voltage dropped to 11.8. I have de-noided and installed the resistor and also have the charging sub harness. I tested all the stator legs with a DVM and all are good. I did notice though that the relay on the harness and the connector are melted. I've been searching and reading through posts for over two hours now and i have thoroughly confused myself. Does the noid resistor have anything to do with the charging sub harness? And how do I fix this? Bring it back to the dealer to have a new sub harness installed?

Please help, I'm confused.

Basically I want to know why the relay and connector melted

(Message edited by beugs on June 07, 2011)
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Cjr83
Posted on Tuesday, June 07, 2011 - 10:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

hopefully you didn't get two of the connectors from the sub-harness crossed.
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Tbowdre
Posted on Tuesday, June 07, 2011 - 11:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

how could you cross the connectors?

IIRC the connector the goes to the ECM is different form the little guy oin the harness.

I dont think that it is possible to mix up harness connections
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Beugs
Posted on Wednesday, June 08, 2011 - 12:03 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Not crossed, dealer did the harness about 5000 miles ago, I did the denoid much later. Couldn't see how the connectors could be crossed. Thanks anyway though.

Anyone else know why the relay etc. would be melty?
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Tbowdre
Posted on Wednesday, June 08, 2011 - 12:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

my bad. you could connect them wrong if you tried.

on mine the wires are the same color to help with proper connections

sorry.
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Froggy
Posted on Wednesday, June 08, 2011 - 12:25 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

There has been a few melted relays being reported on here lately. I am not sure of the cause, I wonder if its installation error by the HD techs.
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Beugs
Posted on Wednesday, June 08, 2011 - 01:11 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm going to call the service manager tomorrow and see what they can do. Since the harness was installed I did have an accident and the ins. co. deemed it a total loss because of a scratch on the frame. They were just covering their ass and I understand that, but I'm sure I no longer have any warranty left. I'm just hoping they will stand behind the recall part that was installed and not blame it on me de-noiding it.
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Jules
Posted on Wednesday, June 08, 2011 - 11:01 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Take the harness off for now.. Go back to how it was originally designed and see what happens.

The relay is a generic part so you can pick one up easily, if the bike charges fine w/o the harness then you can decide what's best for you.
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Beugs
Posted on Wednesday, June 08, 2011 - 11:54 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

How do I remove the harness? Isn't it tied into the ecm as well?
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Dannybuell
Posted on Wednesday, June 08, 2011 - 06:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The dealer knows the harness is on the bike. What if he sees it off?
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Jules
Posted on Wednesday, June 08, 2011 - 07:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

What if he sees it off?

AND?

It's a VOLUNTARY upgrade, if you change your mind you're free to remove it whenever you like...

How do I remove the harness? Isn't it tied into the ecm as well?

If you use the search facility you'll see loads of threads on this... Including posted links to the video that shows you how to remove it in 5 mins one-handed...
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Beugs
Posted on Wednesday, June 08, 2011 - 08:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I went out after work and got a new relay. Swapped that out and it's charging normally. That relay clicks on and off very rapidly! Can't imagine why the old one burned out. I'm going to add some dielectric grease to the terminals and see if that will help, don't see how it could hurt.

Thanks for the replies
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Froggy
Posted on Wednesday, June 08, 2011 - 08:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It shouldn't be clicking like that. That is probably why it melted on you in the first place.
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Sparky
Posted on Thursday, June 09, 2011 - 06:25 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Dielectric grease should not be used on the metallic contacts of electric connectors because it (Dielectric grease) is basically an insulator and can contribute unwanted resistance to mating conductors.

It should be properly used, however, on the non-metallic parts where the two connectors interface. That way moisture and other contaminants do not make its way to the metallic contacts where absolute cleanliness is a necessity in order to not introduce unwanted resistance which could likely cause an electrical component (like a relay in your case) that has to deal with large amounts of current to overheat and melt.

And, what Froggy says.
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Beugs
Posted on Thursday, June 09, 2011 - 12:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ok, well I rode it some more, the relay is clicking rapidly, and volts dropped to 12.0 while riding at 70mph. I pulled the seat, plugged the stator connector directly into the VR connector and it reads normal voltage now but the relay is still clicking. could the harness itself be bad? It looks like just wires and a relay. I'm not seeing how this relay is still getting power, course I had to get into work so I didn't have a lot of time to poke around.

Should I run through the charging system diagnostics? Maybe the stator really is bad.
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Froggy
Posted on Thursday, June 09, 2011 - 12:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Part of the harness installation is to change the pinout of a wire or two on the ECM, my guess is they didn't do that, or they didn't flash the ECM to update the programming to reflect the addition of the harness. If they didn't do either of these steps, your harness and relay aren't going to be switching on and off correctly if at all. I'd just bypass the harness to be honest, it isn't proven to extend the life of the stator.
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Rkc00
Posted on Thursday, June 09, 2011 - 01:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My harness and relay melted on my 1125R. Still can't get an answer to why it happened.
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Beugs
Posted on Thursday, June 09, 2011 - 04:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Just pulled the left pod cover off and checked the pin location against the installation instructions. It's in cavity 22 instead of 21, my dealer has always been incompetent, this just reaffirms that.
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Beugs
Posted on Thursday, June 09, 2011 - 07:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Still no charge. double checked the stator and all three legs are shorted to ground. Don't know how I didn't get that the first time.

Here's a new question. Since the bike was considered a total loss, and the dealer installed the harness wrong before the accident, would HD/Buell stand behind the stator since there is a clear problem with them anyway?

If anyone has a way to run my vin and check warranty status let me know and I can pm the vin. The title is still clear, no salvage, so that might count for something. But I doubt it.
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Beugs
Posted on Friday, June 10, 2011 - 04:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Called the service manager again and he ran the vin. Looks like it still has warranty till 10-24-11. Woo Hoo. It'll be a 2009 stator, but it will be free. I've made it 7500 miles so far anyway.
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