> Think of a relay as an electric switch. The button that you push inside
> the car activates the relay, which then causes the circuit to the device you
> wish to activate to work. It allows smaller gauge wire and a smaller switch
> to be used inside the cabin of your car.
>

Thanks for the explanation. But I guess I'm back to square one.
Either goto the Saturn dealership and get a horn from them, or...figure
out how to add a relay to the generic replacement horn I purchased...