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Old 02-21-2010, 07:20 PM   #35
Bart
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Joined: Sep 2003
Location: Air Transport Central
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Quote:
Originally Posted by G600
Hi all


XT 550 wiring… Where are the ground connections?

I wanted to check the grounds on my ’83 XT550… didn’t find any. The wiring was grounded through the black wire running to the ignition coil…. That can’t be right…

I however found a black wire that wasn’t connected?? See pic.

Does anyone know something about this ??

According to my Yamaha OEM Manual black is a ground and judging by the location it is the ground wire for the Voltage regulator. Other items that have a ground connection are:

CDI
CDI Magneto
Neutral switch
Sidestand Switch (I bet it might be this one and the switch was removed)
Rear brake switch

That is it by the wiring diagram in the manual.
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