SOHC.co.uk Forums > CB500/550
Wire colors of reproduction left and right hand switches
mickwinf:
just realised you said the horn is earthed, that is wrong with your system. black wire from loom to one side of horn, light green wire from switch to other horn terminal. So black wire supplies 12v when ignition is on to horn then via light green to switch, earths when horn button pressed.... beep.
alexdecker:
EDIT: Once again it was simple and I’m the idiot. The horn needed power. I gave it that. It works now. Shhheeesh. Ignore everything below.
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I am slightly confused. So here is how it is wired now.
Horn has a black that goes to ground (by the coils) and light green that goes to loom.
Switch has light green that goes to light green in the loom. I opened up the switch, and no other wires come out from the horn button than the light green.
I have one light green and one black wire left from the switch. If I connect them to their respective colors in the loom, I get nothing, no matter if the switch is mounted to the handlebar or no.
So what am I missing?
mickwinf:
not sure why you have 2 light green wires, should only be 1, this can be the problem with pattern stuff. Remember on Honda's the black wires are always + supply when ignition is on, dark green is always earth. Light green is only horn circuit
Bryanj:
Like i said before you need to sit there with a meter and work out what wire goes where, you cannot trust ANY colour on a repop switch
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