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 Auxillary Power connectors at the headlight

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EnduroDoctor

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PostSubject: Auxillary Power connectors at the headlight   Tue Jul 08, 2014 1:42 pm

I have done several searches and poured over the wiring diagram and I haven't found any reference to these connectors.

The bike is a 2008 WR250R


Does anyone know what these connectors are for?



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EnduroDoctor

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PostSubject: Re: Auxillary Power connectors at the headlight   Tue Jul 08, 2014 1:47 pm

The blue wires are hot when the key is turned on.
If I remove the "signal" fuse, the power to them goes away.

I haven't checked the brown as yet, but I am going to.


The black/yellow wires are a mystery. The wiring diagram makes me think they might be a "switched ground" or a "monitored ground".... just a guess.


Any help would be appreciated!
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sanluissound




PostSubject: WR250R odd wiring...   Wed Jul 09, 2014 12:57 am

I poked around behind the headlight/mask and found no such connectors on my '08. I did not completely remove the assembly - though I did last year to add new turn signals and I don't recall seeing what you've got.

I'm guessing there were some accessories on your bike at some point (presuming you are not the original owner). Possibly LED lights, GPS power… heated grips?

Those connectors do not look like a Yamaha WRR standard issue connector. The lead dress looks a little short for a factory job as well…

Go further. If you're still stuck I'll pull my headlight assembly. Good luck!
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dmmcd

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PostSubject: Re: Auxillary Power connectors at the headlight   Wed Jul 09, 2014 8:30 am

I don't recognize those connectors, but the brown and blue wires are the turn signal wires. The blue is for the running lights on the stock turn signal. I used that to trigger a relay for my accessory panel, since it is on whenever the key is on. I am pretty sure the black/yellow is originally to the clutch switch.

I am assuming you are not the original owner. The previous owner may have added these connectors for some sort of accessory or to bypass the clutch switch.

PS: Here is a pretty good color coded wiring diagram (may need to zoom in):

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EnduroDoctor

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PostSubject: Re: Auxillary Power connectors at the headlight   Wed Jul 09, 2014 12:40 pm

Thanks for the annotated wiring diagram. I wish Yamaha would have done the original like that. It makes it easier to troubleshoot.

I am not the original owner, so it could be possible someone added the connectors.

I have found that the blue and the brown are both switched on when the key is on. They are fed by the "signal" fuse.
The black/yellow wires appear to be grounds. I think it would be difficult to find this wire color and pattern anywhere else. It matches the original wires exactly.

I will dig a little deeper into the harness, but so far they "look" factory. The outer cover doesn't look like it has been disturbed, but I will check further.

It is very interesting that these are not on your bikes. Thanks again for taking the time to look and respond!
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EnduroDoctor

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PostSubject: Re: Auxillary Power connectors at the headlight   Wed Jul 09, 2014 12:47 pm

The brown and blue wires look common.

I have never seen the black with yellow bands before. It doesn't look like a common wire color.
This is the first time I have seen this type of striping.
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EnduroDoctor

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PostSubject: Re: Auxillary Power connectors at the headlight   Wed Jul 09, 2014 5:16 pm

I did some further digging around the harness and I believe these connectors are original.

It has a build date of Jan. 2008


.....very strange that other WR250R's don't have them.
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dmmcd

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PostSubject: I was wrong...   Wed Jul 09, 2014 9:54 pm

Well, I admit it. I was wrong. I was riding home today and glanced down behind the headlight and saw them.

I pulled the shroud and they were there, taped together. They look like they are capped, so I am not sure if they are for other accessories that our bikes don't have or what.





Blue and brown are definitely connected to the turn signals. Not sure where the other one goes.
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EnduroDoctor

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PostSubject: Re: Auxillary Power connectors at the headlight   Wed Jul 09, 2014 10:25 pm

Thanks for the update.
I was beginning to think I was missing something.

Maybe someone who knows will read this....
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camaroz1985




PostSubject: Re: Auxillary Power connectors at the headlight   Thu Jul 10, 2014 5:18 pm

I wonder if the Euro or Asian spec bikes have a hazard (4 way) switch that these plugs go to.
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EnduroDoctor

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PostSubject: Re: Auxillary Power connectors at the headlight   Thu Jul 10, 2014 6:34 pm

camaroz1985 wrote:
I wonder if the Euro or Asian spec bikes have a hazard (4 way) switch that these plugs go to.



A good thought, but I don't think this would be the case since the left or right turn signal wires (dark brown or dark green) are not in the connectors.
I wonder if any accessory (like heated grips) describes connection to them.
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hjorth73




PostSubject: Euro model   Sun Sep 14, 2014 9:41 am

Hi
I have a euro model, I live in Denmark.
I have those connectors as well, and they are not in use.
Was thinking I would find a little rubber plug to cover them, and tape them back on.
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brokeagain




PostSubject: Re: Auxillary Power connectors at the headlight   Mon Feb 09, 2015 2:50 pm

I just got around to checking these out, I wanted to see what I might be able to do with them.

Each of the two blue and brown are 12V when the bike is switched on. As mentioned before, they run through the signal fuse (I did not personally pull that fuse to test this).

The three black wires in the other connector are indeed grounds. Multimeter reads 12V when placed between the wires on the blue/brown connector to these wires (yes, I'm brave), as they do when grounding them to the steel reflector bracket on the forks. They do not read 12V when grounded to the bracket.

I'd like to be able to identify the connectors' "other half". One of the connectors has "E11" molded in it, the other has "E15", through they appear to be the same type of connector. It'd be nice to see what we could do with these in terms of a clean way to hook up some switched power up in that area.

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stevep84




PostSubject: Re: Auxillary Power connectors at the headlight   Tue Feb 10, 2015 2:37 am

I checked mine this afternoon (Aus delivered, 07 build). Good news is I have 2 connectors. Bad news is they are slightly different.
I have the same black connector but it has 3 brown wires and I have white connector that has 5 black wires. 2 or 3 of which have the yellow stripes.
Not sure on powering, I didn't get that carried away.

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