Inline Spark Plug Tester Straight Boot Ignition Coil Tester Light Car Small Engine Spark Tester Armature Diagnostic Detector Tool for Car Lawnmower Internal External Engine 2 PCS

Practical FunctionThe cars small engine spark plug tester is used to diagnose engine wont start causes and problems detecting dirty spark plugs contacts damaged cables or connections for troubleshooting an excellent diagnostic tool for any engine with spark plugs How to UseFirstly switch off the engine and disassemble the spark plug coil then connect the black connector end of the car spark plug tester to the spark plug and insert the metal end into the spark plug coil Start the engine and if the ignition wire is intact the light will flash Reliable MaterialThe probe of the car spark plug light checker is composed of highquality metal which is easy to connect wearresistant and the shell is composed of highquality plastic and high voltage resistant wire which is rustproof and corrosion resistant and can withstand the test of high voltage current and has a long service life Light IndicationThe car inline spark tester is designed with transparent housing and a builtin high brightness light bulb which helps you to easily determine whether the ignition wire is normal by the flickering degree of the bulb determine which cylinder is malfunctioning and find out the cause strong bright white light indicates normal spark weak light indicates weak contact current and nonbright indicates no current is passing through ApplicationsIncludes 2 x car spark plug engine ignition tester for cars motorbikes trucks lawnmowers snowblowers and all internal and external combustion engines a musthave tool for individuals home mechanics auto repair shops and professional mechanical garages