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It should need that wire. It’s supposed to be necessary but apparently it’s not cause now it’s charging fine and running better than ever. Hit 105mph last night without any issue

Unhooked the white wire on that goes to the second brush that touches the rotor now it works fine. WTF….

1979 CB750L the second the brushes make contact with the rotor the battery immediately drops by a few volts and continues to decline the brushes themselves start getting extremely hot to the point of smoking. This is with just the ignition on bike not even running. The coils are brand new and...

So the black and white is 1000% the positive side. I hook the negative lead of the multimeter to the black side and the positive to the color side and it gives me a negative voltage reading when reversed I get 12volts

I use the meter gauge to find out what’s hot and what’s not but the black wire with a white stripe showed a way higher voltage than the colored wire and I was sure that the positive side was where I disconnected the black and white wire originally but after gaining some newfound insight into how...

Black and white I got figured out but what other people call yellow I call anything from green to orange

So black with white line goes to the - side and yellow or whatever color.( I’m colorblind as shit) goes to the +side

Does that sound right at all

Yeah I replaced it with a 30 amp fuse but something had to be crossed somewhere cause now soon as I plug in the charging system the battery drops from 12 volts down to 9 and I noticed one of the brushes started getting so hot it was smoking. This is all with the engine off but the ignition...

I should probably pull the carb bank off and check the jets too. Thanks for the advice. Any idea why the charging system is being hit or miss? I've checked the wires they have no damage. I barely understand how to work my voltage meter I got the expensive one so I think they expect a pro i was...

So I traded a couple jet skis to my brother in law for a 1979 CB750L he had recently gotten. He said it just needed some carb work cause they leaked but said he took it for a test run to the end of his block and back and it runs fine other than the leaking carbs. Well after rebuilding the carbs...

So that wasn't the issue but was definitely a issue. The fuse blows as soon as I plug in the charging system wires. Any idea why?

Hope I didn't fry anything

I think I found the problem. I had the ignition coil wired on backwards pos to neg

It's the fuse that's on the starter solenoid. It blows soon as I turn the bike on with a 10amp fuse. Didn't use to when the charging system wasn't working.

One of the brushes to the stator was jammed I got it free but now when I turn the ignition on it blows the 10 Amp fuse. Not sure what's going on here and I'm learning as I go and having a rough go of it. I've pushed this bike more than I've ridden it but after learning the sins and outs of the...

L

I was freaked out over nothing. I got it figured out I just thought it was way more complicated than it was.

OK, so I was told not to take apart the carbs as far as separating them, but the choke fully engaging because it was getting caught due to debris in the rod needing to be cleaned so I took them apart not that big of a deal that was easy I can get them back together no problem, but for whatever...

I have a 1979 honda CB750L and I can't find anything that shows me how to reattach the throttle linkage and choke controls to carb 2. Does anyone have a diagram or step by step guide on how to put this back together?