SOHC.co.uk Forums > CB350/400
cB400 left side handlebar switches wiring question?
McCabe-Thiele (Ted):
Thanks for the input I guess the green female is correct I'll see how it pans out when I connect the battery next week.
Ameded update:- I seem to have more than one version of the wiring circuit.
1) The light green female connector is live when the horn putton on the handle bars is depressed so this feeds the horn that is itself earthed to the frame by a second connection.
") Another wiring diaagram shows the horn fed with a black wire from the ignition then a light blue wire from the horn via the loom so the handle bar button earths the circuit.
They can't both be right?
ka-ja:
The latter is correct for my 1976 F2 model, the button earths the horn, this was discussed several years ago on here, and I have an (ex-ebay) A3 size coloured diagram showing it
Oddjob:
There are 2 versions of the left hand switch Ted, one only has a horn button, that one earths the horn, the other has a pass/horn switch, you press for horn and push right for headlight flasher, this is the correct switch for the UK, the horn only is a US market switch, commonly found on imports. If you have the pass/horn it's option 1, if horn only it's option 2.
McCabe-Thiele (Ted):
--- Quote from: ka-ja on February 26, 2022, 03:30:26 PM ---The latter is correct for my 1976 F2 model, the button earths the horn, this was discussed several years ago on here, and I have an (ex-ebay) A3 size coloured diagram showing it
--- End quote ---
I only have a horn button like you no headlamp flasher - my bike has not been imported from the US it was registered new in the UK.
If Ken is right (he usually is) then at some time the switch unit has been changed for a US one, strange as both switchgears on the left & the right have matching faded patina.
McCabe-Thiele (Ted):
--- Quote from: ka-ja on February 26, 2022, 03:30:26 PM ---The latter is correct for my 1976 F2 model, the button earths the horn, this was discussed several years ago on here, and I have an (ex-ebay) A3 size coloured diagram showing it
--- End quote ---
So you just have a Horn button like me no combined headlamp flasher ?
This might explain why the Horn was not on the bike when I bought it - also no mini wiring loom for the horn.
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