Why does my horn blow when I lock my door with the remote?
Why does my horn blow when I lock my door with the remote? Since the receiver is working (the door is locking), and the horn is working (you can blow it with the horn button), the relay or the wiring from the remote receiver to the horn relay is shorted out or not operating correctly. Originally Answered: Why doesn’t my horn blow went I lock my door with the remote? What should I do if my alarm horn blows? Here's what you can do hook up the jumper cables. The horn will start to blow. As soon as it does,...