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Buell Forum » XBoard » Buell XBoard Archives » Archive through March 24, 2005 » Firebolt Dyno Loop Location « Previous Next »

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Captjim
Posted on Friday, March 18, 2005 - 10:42 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Hello All,

Can anyone tell me the location of the Dyno Loop in the wire loom on a 05 Firebolt? I think it is under the front fairing close to the ECM but am having trouble finding it so I have a few questions.

The loop is Yellow with a Blue stripe correct?
Do I have to remove the fairing to see it?
Does anyone have any pictures?

Sometimes it is hard translating from the wiring diagram to the actual loom.

Thanks in advance, jim
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Truk
Posted on Friday, March 18, 2005 - 06:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Jim,

This has nothing to do with your post, but by chance do you know Steve and Janet Appel? They live in Pt Pleasant.

During the summer, I grew up in the area a bit further south (Lavallete area) myself. My Cousins lived in Manasquan. My Dads summer home as boy was in Point Pleasant.
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Fullpower
Posted on Monday, March 21, 2005 - 03:00 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

what is a dyno loop? i have a pretty comprehensive schematic for the XB12S model, and i do not see a reference to such.
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Captjim
Posted on Monday, March 21, 2005 - 11:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Truk, Don't know the Apels.

The Dyno loop is shown on the wiring diagram close to the ECM connectors. It is a loop of the wire connecting between the ECM and the ignition coil. The loop is used to connect an inductive pickup to provide RPM information when the bike is put on a DYNO. I was looking for it because I am connecting a Veypor performance monitor and I need an RPM feed.

I found the wire underneath the fairing on my Firebolt zip tied to the diagnostic connector. I was having trouble finding it because I was looking right past it fishing around up by the ECM connectors.

You can see the yellow wire with a blue stripe in the picture.

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Rageonthedl
Posted on Tuesday, March 22, 2005 - 07:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

well when i put am XB on a Dyno i just take off the "tank" lid and clip the pick up around the rear plug wire. but if you need and RPM signal wire you may want to look for the PINK wire it is the one that sends the RPM signal to the tach.
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Captjim
Posted on Tuesday, March 22, 2005 - 09:53 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I think you could use the wire shown above instead of taking the tank off. Also just to clarify, the pink wire is a low voltage digital feed from the ECM to the instrument panel, the Y/BE wire is the high voltage control wire to the coil.

There are always more than one way to skin a cat.
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Eexb
Posted on Tuesday, March 22, 2005 - 10:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Jim,

I've been "on the fence" on buying a Veypor for the last few weeks. Just about ready to order but have been hoping to find someone who successfully installed one on an XB.

I'd appreciate any install info you could provide.

You can e-mail me direct at mwcar@cox.net

Thanks very much,

EE
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