Looks like "relay" is the answer.  Next question...  can I use one of
the open relay sockets on the relay/fuse panel?
Edward

At 10:15 PM 5/15/2011, Scott Daniel  - Turbovans wrote:
>totally typical for a VW Bus or vanagon horn ..
>yes..
>relay, that's what you want for sure ..
>so the only current flowing in the horn contact ring is the current
>to energize the relay ..
>which is very little.
>
>and let the load contacts of the relay carry the higher current the
>new horns need.