I bought a couple things from 928 Intl to fix my horn and a piece to keep my horn pad on. For some reason I am not getting correct contact of the copper pieces. The Horn Contact in the 2nd picture is what I bought and installed. The brass ring on my old one was 95% gone. The signal stalk is a Euro one I bought off eBay. I can ground the contact on the signal stalk to the steering shaft and the horn works, but it's not working with the steering wheel attached.
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior
1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD**