If you haven't already done a relay upgrade for your headlights, you
might consider running a hefty (fused) wire directly from the positive
battery terminal up to the territory behind the grill.  Use it to
power a couple of headlight relays there as well as your horn circuit.

Larry A.

On Wed, Apr 20, 2011 at 4:12 PM, neil n <musomuso@gmail.com> wrote:
> Hi all.
>
> Plan: install switch to allow use of stock or added (2) louder horns
> via 2 relays.
>
> Stock horn switch (ground) --> SPDT *switch to control negative to 85
> of either new relay.
>
> Don't know if using an 87/87a relay would reduce amount of wiring but
> here's a quick diagram using 4 pin relays: �http://tinyurl.com/3k2lwx4
>
> *switch would be labelled "Angry" and "Happy" just to confuse the next guy. � ;)
>
> Is there any reason why I shouldn't take power from B+ to supply power
> to new horns? i.e. I could sound the horn, key not in ignition.
>
> Neil.
>
>
>
> --
> Neil Nicholson '81 VanaJetta 2.0 "Jaco"
>
> http://tubaneil.googlepages.com/
>
> http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines
>