Qiilu Spark Tester Pan Spark Detection Test Pen Car Spark Plug Tester Ignition System Wires Coil Test Check Pen Disassembly Free for Automotive

Specification:Condition: 100% Brand NewItem Type: Ignition Test Pen Material: Alloy Color: As picture shown Length: Approx. 125mm/4.9in Diameter: Approx. 10mm/0.4in How to Use: When the engine is started, place the grooved end of the instrument on the spark plug wire. If the bulb flashes, the spark plug wire is transmitting the spark signal. This product can be used to test spark plugs, coils and distributors in two places, the electronic ignition system and the circuit breaker. The grooved end makes the contact area between the wire and the instrument larger, and the high-brightness bulb makes the measurement results easy to observe. Package List:1 x Ignition Test Pen  Note:Recommended for professional use.