SOHC.co.uk Forums > CB750
CB750 Wiring Issues
Bryanj:
I am away for a week from tomorrow, may be able to read andreplt, depends on black holes, as i said i will try and help but we need to start from scratch mate
royhall:
Already spent 2 days belling every wire through and labelling them. Everything is right except for the low beam issue (white wire from dip switch) appears to be picking up a live from somewhere. I will find it eventually.
Nurse Julie:
As it is a late USA model, are the running lights not in the indicators Roy ?
Oddjob:
The wiring diagram on post 1 makes no sense. Headlight switch, why a neutral? it's either high or low as a rule plus the connection diagram is wrong, brown would connect to white when on low, not white to blue and in neutral it seems that both high and low are lit? is neutral side lights? if so surely they'd be on the right hand switch?
Check the wires coming out of that switch Roy, when it's on low check which wire has 12v besides the brown, that's the low beam wire. Make sure that's the one going to the bulb as it sounds like you've plugged the wrong one in.
royhall:
I think it's more complicated than that, I just discovered the headlight is not running through the fuse box. The big problem yet again is garbage pattern parts, both the loom and the switches contain wrong colour cables. Surely if your going to all the trouble of replicating these things you would use the right colour cables. How hard could that be. Maybe it's to stop Honda issuing legal proceedings for stealing their designs. Makes a simple job bloody difficult. Your right Ken, on low according to the diagram there would be no headlight at all. Am going to start again on the lights.
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