Bench Top Spark Plug Tester. Use a coil on plug cop probe. Plus using a spark tester is safer than grounding a plug. Then start the engine and watch the tester window.
Besides we have to check the spark plug whether it produces a spark. A quality spark tester on the other hand requires tens of thousands of volts to fire.
Morange in line spark plug engine ignition tester 6 12v pick up coil armature diagnostic detector tool for automotive car lawnmower internal external engine 4 3 out of 5 stars 42 9 99 9.
A quality spark tester on the other hand requires tens of thousands of volts to fire. To test the operation of both the ignition coil and the spark plug connect the tester between the spark plug boot and the spark plug. The problem is in that fact that it takes two people to make it. Because of this the tool provides an accurate measurement of whether there s enough spark to jump the plug gap.
