Question about 1992 Mercedes-Benz 190
Verify fuse for horn is good.
Check for voltage at horn when button is activated
If voltage is present insure horn is mounted firmly. If there is rust / dirt remove horn and clean both the frame and the horn and remount as a bad ground will prevent it from working also.
If voltage is good at fuse and not present at horn when button activated it could be bad switch or wiring
Posted on Apr 01, 2011
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Posted on Jan 02, 2017
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