Originally Posted by LDB

A friend did it for a dozen hot Shipley donuts. I imagine a shop would charge 0.5-1.0 hour labor. It is really easy to do with a minimum of tools and effort though, for anyone at all mechanically inclined. Remove 6 clips and the plastic cover and the existing horn is right there on top on the driver's side. The new one goes on the passenger side. One bolt and clip in the new wiring harness.