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I am having to use different wiring diagrams on my 77 Cb750

ILockert

CB750 Member
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Wiggins, Ms
So what I thought would be a simple process has me thinking my life decision, I have multiple diagrams and right now it seem like I am using one from 76 and then another from an unknown year. I am having issues mainly because I have some wire colors that aren’t on any diagram.
Of course it don’t help that I am missing all the marker / signal lights speed and tach. But right now I have a yellow and white wire with a plug that I can’t seem to find on any diagram nor a location for it. I also have brown and blue wire coming off of the clutch handle that I can’t seem to fine where it is suppose to go as well.

Started off as a simple add in a digital gauge to driving me mad over the past few days. I have even looked all over YouTube for a video where someone may of install this gauge on there older Honda bike with no such luck.

Attached is the plug I’m talking about and the brown blue wire.
 

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