Horn not working

[isisalar]

Thanks Richard. I may well give you a call.

[Gibbo2286]

Fitting a replacement horn is about the most basic of electrics you'll ever find, you'll have more trouble with the rusty screws than the wiring. there are only two wires, a live from the horn push (When someone is pushing it) and one to earth.
There are plenty of cheapo ones available, have a look on Ebay or at your local motor factor.

Here's an example http://www.ebay.co.uk/itm/12v-CAR-HORN- ... 41609b36e5" onclick="window.open(this.href);return false;

Just one word of warning, if you're replacing a single horn just to that, if you're adding extras like loud twins or air horns you'll need a relay in the system to stop the horn button contacts getting damaged.

[Fenderblender]

I'm having trouble with my 2010 C5 HDi VTR+ NAV which has developed an intermittent horn failure. Can anyone tell me where the horn is hidden as I can't find the thing, I'm suspecting it has dirty or loose contacts which should be easy to fix?

[SaabC5]

Front of car, under left n/s wing area. If you take the undertray off you'll see the twin "snail" units.