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Buell Forum » Big, Bad & Dirty (Buell XB12X Ulysses Adventure Board) » BB&D Archives » Archive through March 26, 2010 » Good grounding point behind the flyscreen? « Previous Next »

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7873jake
Posted on Wednesday, March 17, 2010 - 07:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I have a few electrical modifications/additions I want to do and recall reading somewhere (where? I can't recall) that there isn't a good grounding point in the nacelle behind the flyscreen. I see lots of unpainted metal with screw/bolt attachment points so I think there could be but I want to be sure.

I'm trying to not have to run a ground wire back to the chassis grounds under the seat. I'm willing to do so, I just don't want to have to if it isn't necessary.
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Froggy
Posted on Wednesday, March 17, 2010 - 07:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

The bolts on the steering neck that hold the flyscreen brackets.
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Itileman
Posted on Wednesday, March 17, 2010 - 07:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

There's a ground screw on the T if I'm not mistaken. About dead center under the head lights.
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Gamdh
Posted on Wednesday, March 17, 2010 - 08:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Looks like this

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7873jake
Posted on Wednesday, March 17, 2010 - 08:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I thought all of those points would be good but wanted to make sure before I start tapping stuff down to find that anything ahead of the headset was intermittent as a ground.

Thank you!!!!!
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Two_buells
Posted on Wednesday, March 17, 2010 - 08:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I have a 12v Taidan garage door opener mounted behind my wind screen. I'm using the screw the holds the top and bottom nacelle together with a star washer as my ground, no problems.

GROUND
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Gamdh
Posted on Wednesday, March 17, 2010 - 09:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

You could always use one of these


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Bobbuell1961
Posted on Wednesday, March 17, 2010 - 09:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Two buells, I have use the same point, less then .3 ohms good ground
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Whisperstealth
Posted on Wednesday, March 17, 2010 - 09:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Gamda - What is that, where do you get it, and how much $.
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7873jake
Posted on Wednesday, March 17, 2010 - 09:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Gamdh, there is an old cliche about great minds but I hesitate to piss off someone with a great mind by affiliating myself with them.

I found one of those units the other day and stole it from Manny, Moe and Jack for $9 (upon closer inspection, mine may be a lesser version of that one - only 3 connectors- but still very similar).

Two_buells, that was one of the screws I was contemplating.

{This place is sooo much better than the other room in my house that has American Idol blaring. Thanks for not changing the locks and for the info.}
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Gamdh
Posted on Wednesday, March 17, 2010 - 09:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

It the Centech AP-2 Fusebox Kit from Eastern Beaver. The fusebox has both switched/unswitched power. It includes the fuse box and the wiring harness. IIRC it was in the $85 range. I don't think he uses this fusebox anymore, but has something he had custom made for him... but same thing.

I currently use this for
- Fatty's voltage monitor
- Gerbings heated liner/gloves
- Clearwater LED lights(used to have HID's)
- Garmin 276C

Its been under the flyscreen now for 2 years... no issues. IIRC Centech started out making products for Street rods.

(Message edited by gamdh on March 17, 2010)

(Message edited by gamdh on March 17, 2010)
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Mikef5000
Posted on Wednesday, March 17, 2010 - 10:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I ran a couple heavy gauge wires from this ground point (which is by far the best ground point in the area)


Up to both # 8 bolts in this picture (left and right)


Then I used the horn mounting point (removed the oem horn) and ran a bolt through it specifically for under-the-flyscreen-grounds.

I have all of these grounded to that point:
1x 55 watt HID
2x 35 watt HID
1x Stebel horn
1x horn relay
2x lighted switches
1x Fatty LED Voltage mod
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Ronmold
Posted on Thursday, March 18, 2010 - 12:22 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

When you ground to the moving flyscreen your current path is through the steering head bearings. Not the best for those polished bearings if any arcing occurs, Mike's bonding wires are one way to prevent that. There's no need to run back to the battery as the stock frame ground is robust enough to pass several hundred (or maybe thousand) amps!
This is what I did:
http://s678.photobucket.com/albums/vv141/ronmold/U ly%20flyscreen%20grounds/?albumview=slideshow

(Message edited by ronmold on March 18, 2010)

(Message edited by ronmold on March 18, 2010)
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Blk_uly
Posted on Thursday, March 18, 2010 - 01:53 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

this very same ground point on my 08 was a point of a few problems for me. Turns out some little elf did not pull the insulation back far enough on one of those ring terminals and than crimped it anyway. Of course this in turn caused an intermmitted ground for several circuits including the turn signals which would not work when the handle bars were turned to the left.
I would suspect that this has happened on more than just one Xbike

(Message edited by blk_uly on March 18, 2010)
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Oldwesterncowboy
Posted on Thursday, March 18, 2010 - 08:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Whisperstealth
here is the fuse box
http://goo.gl/W19R
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