Key features

• •High-Quality Materials: The head of the car inline spark plug tester is made of metal material, which allows for easy connection and excellent wear resistance. The casing of the automotive inline spark plug tester is made of waterproof plastic material. The interior of the automotive inline spark plug tester uses metal materials to improve energy conduction efficiency.
• •Detection Function: After the car's inline spark plug fails, it may cause your engine to malfunction or lose power. A strong bright white light indicates a healthy spark in the jump, a dull color indicates a weak coil or plug. After the engine is started, the light bulb will flash if the ignition circuit is turned on.
• •Product Parameters: The automotive inline spark plug tester will be carefully packaged. The car inline spark plug tester box size is 4.1In x 7.6In. After purchase, you will receive 1 x car inline spark plug tester, which is enough to meet the needs of vehicle testing.
• •Simple Installation: Connect the black connector to the spark plug and insert the metal end of the tester into the spark plug wire. The automotive inline spark plug tester is a practical diagnostic tool for checking engine faults. The automotive inline spark plug tester is long enough to detect wiring in tight areas.
• •Widely Used: The car inline spark plug tester can quickly and easily diagnose ignition and check engine problems. The automotive inline spark plug tester is suitable for all 12V vehicles, such as cars, SUVs, trucks, etc. By flashing, you can easily tell if the ignition wire is intact.