Product Name:Automobile spark plug tester
Individually packaged product net weight: 80 grams
Packing size: about 19*10*3
Test method: 1 Turn off the engine and disassemble the spark plug coil
2 Connect the black tip of the tester to the spark plug
3 connect the metal end of the tester to the spark plug coil
4 start the engine
5 If the ignition wire is intact, the indicator light flashes
