Ram-Pro In-Line Spark Plug Engine Ignition Tester, 6-12 Volt Fool-Proof Pick Up Coil/Armature Diagnostic Detector Tool For Automotive, Car, Lawnmower, Small & Big Internal/External Engines

About Ram-Pro In-Line Spark Plug Engine Tester.Quickly and easily diagnoses ignition/engine issues.TO USE: with engine off, remove rubber boot from spark plug, & Simply connect the tester between the spark plug and the plug wire, if ignition spark is being sent to the cylinder, light in tester glows & mirrors the spark.Testers light up and/or buzz to indicate testing result.Brightness of the light indicates the quantity of the spark.The pulses should be bright and consistent.Make sure your wires have a good connection.If the connection is good and the pulse doesn't change. Suspect a bad ignition coil.TIP: If you're testing in bright lighting conditions and not getting the right result, try again in a less bright environmentAnother thing to try is to use the tester on another engine that you know to be good (under similar lighting conditions), and compare that flash to the one on your vehicle.Double ended tool offers a straight boot to cover all applications.Well-crafted and made with great protection shield so no loose wires or worry for any electrical shocks.Suitable for a broad range of household, industrial and commercial uses.Benefits:Universal fit for all 2- or 4-stroke, single or multi-cylinder gasoline enginesImmediately identifies a problem with spark or fuelTakes about 30 secondsEssential for trouble shooting all internal combustion enginesReplaceable bulbRust-resistantTester snaps on tightly so it will not fall off when engine startsGreat troubleshooting aidDurably designed for a long service lifeSaves time and money while also offering a safe secure way to identify sparkNo more guessing about the spark of the engine - It takes all the guess work out of knowing if you're getting power to your spark plugNo more shocks from holding a wire to the blockDIY Tool Approved!