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Offline Jcop.550

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‘74 Cb750 Wiring diagram - custom with Motogadget
« on: March 06, 2024, 03:51:12 PM »
Posted this on my project thread but found out posting here will probably get me more feedback:

Spent a few hours making this wiring diagram last night so I can easily wire my bike with a guide when it comes time for it. Now I am not a fan (or expert) at wiring at all. This will be my first time doing it by myself. I went with the m.unit to make it easier while having all the bells and whistles it comes with.

Can any of you Motogadget/wiring experts take a look at this and let me know how it looks and what needs to be tweaked? Specifically with the reg/rec to stator and the ignition and coils as I was a bit confused on that part by referencing a bunch of diagrams online to mash together for my set up.




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Offline calj737

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Re: ‘74 Cb750 Wiring diagram - custom with Motogadget
« Reply #1 on: March 06, 2024, 07:32:37 PM »
You need to run power to the coils directly and they need a path to ground. The power usually comes from the stock RH control via a BLK/WHT wire. In the earlier mUnit models I’ve used power from AuX to them.

Also, for clarity, use solid GREEN as a ground. That is consistent with the stock color scheme and will make it far easier for later owners and others here to read your diagram.  ;)
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'74 550 Build http://forums.sohc4.net/index.php?topic=126401.0
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"Of all tyrannies, a tyranny sincerely exercised for the good of it's victim may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated, but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience." - C.S. Lewis

Offline Jcop.550

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Re: ‘74 Cb750 Wiring diagram - custom with Motogadget
« Reply #2 on: March 07, 2024, 05:57:59 AM »
Quote from: calj737 on March 06, 2024, 07:32:37 PM
You need to run power to the coils directly and they need a path to ground. The power usually comes from the stock RH control via a BLK/WHT wire. In the earlier mUnit models I’ve used power from AuX to them.

Also, for clarity, use solid GREEN as a ground. That is consistent with the stock color scheme and will make it far easier for later owners and others here to read your diagram.  ;)
Good to know, thanks for the help!


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