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)

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 Function】:The car's small engine spark plug tester is used to diagnose engine won't 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 Use】:Firstly, 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 Material】:The probe of the car spark plug light checker is composed of high-quality metal, which is easy to connect, wear-resistant, and the shell is composed of high-quality 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 Indication】:The car inline spark tester is designed with transparent housing and a built-in 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 non-bright indicates no current is passing through.
• 【Applications】:Includes 2 x car spark plug engine ignition tester for cars, motorbikes, trucks, lawnmowers, snowblowers and all internal and external combustion engines, a must-have tool for individuals, home mechanics, auto repair shops and professional mechanical garages.