Ohleats Inline Spark Plug Tester, Auto Straight Boot Engine Ignition Tester, Internal External Engine Armature Diagnostic Detector Tool for Motorcycle Lawn Mower, Car Accessories

Ohleats Inline Spark Plug Tester, Auto Straight Boot Engine Ignition Tester, Internal External Engine Armature Diagnostic Detector Tool for Motorcycle Lawn Mower, Car Accessories

• 【Diagnostic Function】: A misfire in the ignition can lead to engine failure or loss of power, and this spark plug ignition tester can quickly and easily diagnose your car's ignition and engine problems and defects. It also checks for poor spark plug connections, contact points, cables and other problems.
• 【Light Indicator】: The spark plug checker has an indicator light design which is very sensitive. You can easily know the spark and engine status by the flashing of different lights. A strong bright white light indicates a good spark, while a jumpy, dull color indicates a weak coil or plug.
• 【Directions for Using】: First, remove the spark plug wires after turning off the engine. Then, connect the black connector to the spark plug. Finally, insert the metal end of the tester into the spark plug wire. When the engine is started, the indicator light will flash if the ignition circuit will be on.
• 【High Quality】: Plastic housing is hard, impact resistant and not easy to break or deform. Built-in wire is made of pure copper, with good conductivity and can withstand high voltage current. The metal head connector of the spark plug is wear-resistant and durable.
• 【Wide Application】: The inline spark plug tester is suitable for various internal and external engines, and is an indispensable diagnostic tool for vehicle engines. It is widely used in cars, trucks, motorcycles, lawn mowers, snow blowers, trimmers, generators and more.