·Engine Spark Plug Tester: Spark plug ignition tester can quickly diagnose ignition and engine problems and defects, troubleshooting spark plug connections, contact points, damaged cables wait. This is a practical diagnostic tool for any engine with spark plugs
·How to Use: Connect the black skin of the tester to the spark plug and the metal end of the tester to the spark plug coil. After starting the engine, if the ignition circuit has been completed, spark tester automotive light will flash
·Materials: The probe of this spark tester is made of plated shaft, the optical housing is made of friendly plastic, and rubber straight jacket and cable. Spark plug tester for small engines will not easily rust and corrode during use
·Wide Application: The inline spark plug tester is a must have diagnostic tool for any engine with a spark plug, it fit for all internal and external combustion engines, cars, trucks, motorcycles, chainsaws, trimmers, snow-blowers, generators engines etc
·Reliable Choice: We always put the interests of customers first, your satisfaction is our greatest pursuit. Hope we can become your closest partner at the same time. Package includes: 2 x inline spark plug testers



Coil Tester Indicator
The light indicator shows the color of the spark very clearly so you can identify problem. This is a practical diagnostic tool for any engine with spark plugs.

Easy to Use
Simply connect the spark plug tester for small engines between the spark plug and the plug wire, and if a spark is being sent, the tester will mirror the spark and light up.

Spark Plug Tester
Great for troubleshooting any internal combustion engine, armature diagnostic detector can quickly and easily diagnose ignition/engine outboard motor issues or a fault in the fuel.
