Fool-proof Engine Ignition Spark Tester Review

Fool-proof Engine Ignition Spark Tester Reviewhttp://tinyurl.com/mg96hxw Fool-proof Engine Ignition Spark Tester Must-have diagnostic tool for any engine with a spark plugWhen 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 plugTurn the engine over - if ignition is being sent to the cylinder, light in tester glowsGreat time and frustration-saver with cars, motorcycles, boats, chainsaws, lawn mowers & more