If you find yourself frequently driving without your car horn, there are a few simple steps you can take to install a second one. First, locate the car’s fuse box and look for the “horn” fuse. This is usually located near the battery. Once you’ve located the fuse, unplug it and remove the cover from the horn. Next, remove the old horn by unscrewing it from the mounting bracket. Finally, install the new horn by screwing it into place and re-installing the cover. ..
