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Date:         Fri, 22 Apr 2011 08:10:35 -0400
Reply-To:     Larry Alofs <lalofs@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Larry Alofs <lalofs@GMAIL.COM>
Subject:      Re: Adding Horns. B+ (30) To Power Horns OK?
Comments: To: neil n <musomuso@gmail.com>
In-Reply-To:  <BANLkTikmW3MU5hBSUvk+P+CCYeWQnMnabg@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

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 >


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