Horn problems on 1997 Porsche Boxster

I have an electrical short and my horn goes off when I step on the brake or open the door.

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1 answer
here is a link to a site with online repair manuals that will explain how to do it. Look at the wiring diagrams, or have a shop do it.

http://bit.ly/mitchell_repair_manuals_online

http://repairpal.com/directory?address=92128&car_brand_names=Porsche