Spark Plug Tester

Spark Plug Tester Tool for Small Engine, Car, Lawn Mower, Chainsaw!Easily test ignition circuit continuity at each cylinder! High-quality high-voltage resistant wire, made of pure thick copper wire inside, can work under high voltage. Spark plug metalhead, easy to use, and durable. An engine spark tester is a diagnostic tool for any engine with a spark plug, which can quickly and easily diagnose ignition/engine outboard motor issues or a fault in the fuel delivery system. Suitable for all internal & external combustion engines, cars, trucks, motorcycles, lawnmowers, chainsaws, trimmers, snow-blowers, generators, etc. Simply connect the tester between the spark plug and the plug wire, if the spark is being sent, the tester will mirror the spark and light up - Find dirty spark plugs, defective points, bad cables or connections, etc. Usage Method:Step 1→ With engine off, remove spark plug wire.Step 2→ Attach black connector spark plug.Step 3→ Insert the metal end of the te