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How to troubleshoot horn on 1986 Chevy S10 Blazer?

The horn doesn't work. The wire coming from the horn is not attached to anything. Where should it connect?

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When you say from the horn, you mean right at the horn or exactly where are you looking?

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Winnie, you should have a ground and a dark green wire connected to your horn. The dark green wire comes from the bulk head connector pin 29. It then goes to the Horn relay. On the Relay you have two more wires, one coming from the fuse box, orange and black in color, and a solid black one. The solid black connects to the Hazard and direction switch connector and ultimately to the horn button. Hope this helps, good luck.

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