Re: [T3] no horn!

["Dave Hall" <dave@hallvw.clara.co.uk>]

First off - check the fuse (third from right I think) and rotate it in the
holder to clean things up.
Obvious things to try is a direct feed to the horn to see if it's the horn
itself.  While a voltmeter will tell you if there is 12V on the black/yellow
wire to the horn (ignition on), you should earth the brown wire at the horn to
see if the wiring is passing current.  If the horn sounds, it's a problem in the
circuit back to the horn ring earth.  Make sure the connectors are clean at the
horn.

The steering coupler is a favourite place for a problem - check there's a wire
connecting the two sides of the disc (which is rubber and doesn't conduct).

Remove the steering wheel badge, and earth the wire under to the frame.  If this
works, it's probably corrosion on the brass rings that connect when you push the
ring.  That would require  removing the steering wheel (27mm nut I think; an
adjustable might reach it).

Hope that helps, and I've remembered rightly.  We have to have an annual test in
the UK which makes sure mine is pressed once a year, but it hardly gets used
otherwise, and I often have to trouble shoot it for the test.

If the horn itself does not work, it may be dismantleable to clean the points
inside - the original horn was.  If it's not got 6 screws and a slotted grille,
I reckon it's best to just get another!

Dave ('71 Variant).
UK VW Type 3 & 4 Club
http://www.hallvw.clara.co.uk/
------
----- Original Message ----- 
From: "Jim Adney" <jadney@vwtype3.org>
To: <type3@vwtype3.org>
Sent: Wednesday, August 13, 2003 2:30 PM
Subject: Re: [T3] no horn!


> On 12 Aug 2003 at 14:14, janina wrote:
>
> > living in northern california means you just gotta
> > have a horn, even if it makes a sound like a cat in
> > heat.
>
> And here I thought that NoCal folks were supposed to be really mellow. I use
my
> horn so seldom that i'm often unsure of whether it works or not.
>
> > my question is how do i get the darn thing working?!
> > i've had so many occasions where i should have used it
> > and it frustrates me to no end because it's not
> > working! i've changed the fuse so my other guess is
> > that it's not connected? how do i fix it?
>
> The horn circuit is a tough one. On your 71, the power gets fed from the fuse
> box to the horn itself and then back up the steering column to the horn button
> where it gets its ground. There's a bit of help in the Bentley manual, but you
> have to start with the wiring diagram and a voltmeter and work your way along.
>
> -- 
> *******************************
> Jim Adney, jadney@vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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