SOHC.co.uk Forums > CB350/400

Horn wiring...

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ka-ja:
Hi,
     I tend to agree with Mickwinf, I have three different wiring diagrams for the 400/4, and they all show the light green as a switched supply from the horn button, and the black changing to earth green via a bullet connector then to earth----Ken

Lobo:
Forgive me...

Been hunting down further circuit diagrams, and found one indeed, where the Light green is a switched live, and thus the other side of the horn is earthed. Why would Honda make the wiring (on same models / different exports?) so different!

As such, you (nay, I!) perhaps must be cautious of 'Internet' circuit diagrams... I stand by the recommendation of a good old multimeter to confirm your actual wirings rather than what you think you might have.
Cheers again
Simon

buxtonmick:
Thanks for all the input folks, I'll try to find time tomorrow to make further progress.  As you say Simon, the proper way is to pull the switch apart and check with the meter for the correct wires.  I must say though, I'm still confused about the wire ending in the dot!

Thanks, Mick.

Lynx:
Does the horn need earthing?
I had two horns from Classic Motorcyle Spares in Spalding. Neither seemed to work. Not even if I connected the horn terminals directly to a new battery. I sent them back and they said they both work fine. They are 12 volt.
What am I missing.

steven400/4:
mine has earth to horn bracket

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