<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div dir="auto" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">David,<div class=""><br class=""></div><div class="">Check out this kit. <div class=""><br class=""></div><h3 class="r" style="font-size: 18px; font-weight: normal; margin: 0px; padding: 0px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: rgb(34, 34, 34); font-family: arial, sans-serif;"><a href="https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=10&ved=0ahUKEwigyqbJwIvaAhVG1mMKHSGwBrkQFghUMAk&url=http%3A%2F%2Fwww.qrpkits.com%2Ffiles%2Ftracer_assembly_031809.pdf&usg=AOvVaw2C5PNO8L6RjFNOrJVM3e4c" data-ctbtn="0" data-cthref="/url?sa=t&rct=j&q=&esrc=s&source=web&cd=10&ved=0ahUKEwigyqbJwIvaAhVG1mMKHSGwBrkQFghUMAk&url=http%3A%2F%2Fwww.qrpkits.com%2Ffiles%2Ftracer_assembly_031809.pdf&usg=AOvVaw2C5PNO8L6RjFNOrJVM3e4c" style="color: rgb(102, 0, 153); cursor: pointer; text-decoration: none;" class="">1 Hendricks Signal Injector/Tracer Assembly Instructions - QRP Kits</a></h3><div class=""><br class=""></div><div class="">I have used the original “Buzzit” signal injector (no longer available) often to ID where in an audio circuit the signal does not pass. This kit is better and allows the circuit to either inject or “receive or trace” a signal section by section in a circuit. Might be helpful to you.<div class=""><br class=""></div><div class="">Bill</div><div class="">KL7YB</div></div></div><div class=""><br class=""></div></div></body></html>