A quality spark tester on the other hand requires tens of thousands of volts to fire.
Bench top spark plug tester.
You can make it by binding four plugs together with wire isolating it and connecting the wires of high voltage spinning the engine with the starter watching the spark.
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.
Just wanted to try it out and test the spark plug on my kerosene heater.
Then start the engine and watch the tester window.
Plus using a spark tester is safer than grounding a plug.
Spark testers like the otc 6589 are the most reliable and easy to use since you don t have to rely on specific connector styles unlike inline models such as the ram pro diagnostic detector which may not work on some cars and may light up even if the current is too weak to create an arc at the spark plug.
A spark plug misfire will immediately be evident in the tester window.
Besides we have to check the spark plug whether it produces a spark.
The problem is in that fact that it takes two people to make it.
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.
Just wanted to try it out and test the spark plug on my kerosene heater.