SOHC.co.uk Forums > CB750
On going electrical issue.
Johnny4428:
Looks like that’s where my .4 volt went to coil circuit.
Bryanj:
Half a volt drop across the fuse suggests bad fuse to clip contact and/or wire to contact in back. There should not be any drop there as its just a straight connection and should have zero resistance
As this is under load i suspect this is you fuse warming problem.
Johnny4428:
Thanks Bryan, what about the readings between green and white field coil wires going to infinity? As Cliff suggests should be resistance of around 8 ohm. I did test with another multi meter this morning.
Bryanj:
Yes there should be contiuity between white and green wires to the field coil, best to check first as close to coil as possible then work back towards electric panel retesting at each junction
Johnny4428:
Think I have cracked now Bryan. I am at least able to switch on without fear of something smoking. Next job fire up and check charging etc. Can’t get neutral signal to panel though. Checked bulb and it’s fine, also power to it is good. Not important at moment, got oil pressure light.
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