Why not just test each horn and find out for sure if it matters which
lead is which? It probably doesn't. Then try the wiring you have with
only one horn wired up at a time.

Mark

Jeffrey Vickers wrote:

> Thanks, Mike---I'll try that when I get home. Only thing I'm not sure
> about are which terminals on the horns are grounds. They are Hella
> SuperTone horns and the terminals are not marked. Does it matter
> which are 12V and which are ground.? Will the 12V or ground terminals
> be the same on both horns---left side terminals or right side
> terminals, or one left and one right?
>
>