Product description
100% brand new and high quality
Must-have diagnostic tool for any engine with a spark plug
When engine won't start, gives instant answer to 'does it have spark?'
Simple to use - just remove rubber boot from spark plug, insert tester & place tester boot on plug
Turn the engine over - if ignition is being sent to the cylinder, light in tester glows
Great time and frustration-saver with cars, motorcycles, boats, chainsaws, lawn mowers & more
1. Egine off and remove spark plug wire.
2. Attach black connector to spark plug.
3. Insert the metal end of tester into spark plug wire.
5. The bulb of the pen will flash if the ignition circuit is complete
1x Ignition Spark Plug Test Pen