Anyone know what this plug is for? - Wrist Twisters
 
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post #1 of 6 Old 07-15-2008, 11:29 PM Thread Starter
Tirone
 
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Anyone know what this plug is for?

Loose plug on my 919...

I installed a vizi tec brake light modulator and some Hyper Lites and noticed this small, two wire electrical plug under the seat near the rear on right side (side with the brake levers).

I put an ohm meter on them and picked up very low voltage running across.

Any ideas what this plug is for? (see pics)
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File Type: jpg 919 electrical plug 1.jpg (87.3 KB, 49 views)
File Type: jpg 919 electrical plug 3.jpg (72.8 KB, 33 views)

'09 FJR; '07 919
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post #2 of 6 Old 07-15-2008, 11:45 PM
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I remember back in the "good ole days" when I used to tinker around with my bikes, I would always find what looked like missing wires or as you saw, connectors which weren't connected... Sometimes bikes leave the factory with the exact same wiring harness as could be found anywhere in the world, only, some countries required slightly different electrical things than other countries,, so,, they simply left the connector uncennected.
eg...

In those days, some countries had headlights which came on as soon as the key was turned on, while here, we had a sererate headlight On/Off switch. Also, some countries has indicators which had a stop/taillight bulb in them, so the indicators would also act as a taillight for extra lighting,, while the rest of us had ordrinary indicator bulbs.

In short - same harness, different requirements...

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post #3 of 6 Old 07-15-2008, 11:53 PM
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Lightbulb Not certain ...

I think it might be the diagnostic spur for the ECU. Just about all modern bikes (and cars) have one that the servicing dealer can plug into to get data on how the vehicle's running.

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post #4 of 6 Old 07-16-2008, 12:46 AM
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Yep. Janet is correct, its a diagnostic port.

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post #5 of 6 Old 07-16-2008, 02:43 AM
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If you're FI light ever comes on you can install a jumper in this port and the ECU will flash the FI light in a sequence that can be looked up in the service manual to tell what it thinks the problem is.

"Towards the end of the vid, it looks like she may have had a bafflectomy." - MarylandMike
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post #6 of 6 Old 07-16-2008, 10:51 AM Thread Starter
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Thanks for the quick responses.

'09 FJR; '07 919
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