Fitting aftermarket Steering Wheel

The new wheel has the horn button and 2 connections on the back of it with a white wire and a yellow/green wire.

The boss kit has a black wire which does have same connection as ones for horn so seems to be white to black and yellow/green to live somewhere but dont know where. Maybe wrong but that kinda makes sense.

Do you need to add the copper strip yourself or can it be found on the car?

Thinking of just buying a 12v aftermarket horn and putting button on dash or something...
 
See if I can remember this....Basically you need to connect the wire in the car loom for the horn (green/yellow I believe) to the strip of brass. Then in the boss there will be a connector that is connected through to the brass ring on the back...one wire from the horn push goes to that and the other wire goes to a metal earth point on the wheel/boss.

What happens is when you press the horn the earth is connected to the brass ring and therefore to the brass strip. The earth triggers the horn relay.

So basically if you earth that green/yellow wire it will operate the horn.
 
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