Inline Spark Tester Small Engine Ignition Coil Tester Diagnostic Detector Tool Spark Plug Tester 6-12 Volt Compatible with Automotive, Car,Motorcycles,Lawnmower,Small & Big Internal/External Engines
- ...ansparent casing design. The wires are well insulated, fit tightly with the connectors, and the light is bright enough to be seen day and night, saving a lot of diagnostic time and your financial costs..
- 【Material and Size】: The spark tester probe is made of high quality plated shaft, which is rust and corrosion resistant, the inner bulb can last for many years, this tool is 11 inches / 27.93 cm long, suitable for checking the size of sparks in hard to reach areas.
- 【Test Methods】:1. With engine off, remove spark plug wire. 2. Attach black connector to spark plug.3 Insert metal end of tester into spark plug wire.4.Try to start the engine.5 lf ignition circuit is complete, bulb will flash..
- 【Simple operation】: All internal combustion engine troubleshooting takes about 30 seconds, simply connect the tester between the spark plug and plug wire, a strong bright white light indicates a healthy spark, and dim color indicates a weak coil or plug.