SOHC.co.uk Forums > CB750
LED lights
McCabe-Thiele (Ted):
Yep FS DS.
I have amended the post now from FS to DS!
Johnny4428:
--- Quote from: McCabe-Thiele (Ted) on February 28, 2024, 07:41:05 PM ---Yep FS DS.
I have amended the post now from FS to DS!
--- End quote ---
So annoying Ted when something new like that fails! I bought a random bladed fuse box to fit on the 750 when I restored it. It’s not original, neither is the electronic ignition and the reg/rectifier and the absence of the clutch safety switch.😜
McCabe-Thiele (Ted):
Yes indeed Johnny, you convince yourself that a new part can't be the cause so check loads of other things again. On my 400 I had a new cheap LED bulb off eBay. It worked fine when I first fitted the headlamp bowl spaghetti into the bowl. A few days later the bulb failed - I spent time you can't get back chasing the fault back to the new bulb that must have lasted for a total of 2 or 3 minutes of actual illumination.
Johnny4428:
Sometimes that saying rings true - “buy cheap pay dear†(is that the right saying?)🤪
K2-K6:
--- Quote from: Martin6 on February 28, 2024, 03:05:23 PM ---
--- Quote from: Skoti on February 28, 2024, 09:24:31 AM ---Martin,
thanks for your input and good to know you're getting out and about on your Honda.
I'm still using the original rectifier and voltage regulator on my CB750F1, but did once have have an overcharging problem which I fixed with info gleaned from this forum. (But that's maybe for another subject thread).
However my new battery and charging system now works exactly as it should, I fitted a voltage meter to keep an eye on it.
Sometimes I do stuff without considering the consequences such as fitting the halogen headlight bulb.
As Bryan mentions the generator needs high revs, but that's not always possible in city stop/start traffic so it's not enough to replenish the battery voltage lost whilst idling at standstill.
Also I have a Boyer electronic ignition system fitted which apparently cuts out if the battery voltage is too low.
So I've learned the hard way that the charging system can just about cope in city traffic when the bike is in standard original spec.
Anyhow all this has been gone over in a previous thread where Julie mentions what I've just learned!
So back to the original thread subject, I'm hoping LED bulbs should help lower the power loss in city traffic.
--- End quote ---
Skoti, pride comes before a fall... started the bike this morning and plugged in my heated jacket and it died. No lights, no starter. Dead. Fuses are OK. So I'm dusting off my wiring diagram. It serves me right! Too much load somewhere. Should have known better! :-\
--- End quote ---
If you can't find it readily, then check the pins both in and out at the rear of the ignition switch itself.
If you're taking power out somewhere to heat that's also passing through that switch, then it may not take the load.
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