Introducing our new spark test tool, The Sparky!! This tool will tell you in an instant if your ignition system is sparking or not. Works with any engine with a spark plug to determine spark. Simply hold it near the plug wire or plug, If you see the blue light, it is sparking. Also good for determining if you have a bad wire. The sparky will let you know if anything with a spark plug is sparking without having to remove the plug!