06-14-2019, 10:39 AM
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Senior Member
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Join Date: Dec 2009
Location: Baltimore, MD
Posts: 148
Thanks: 59
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Quote:
Originally Posted by thatch
The easiest way that I know of to check for spark, is to simply use a "fifth" spark plug, laying on top of the motor. Just connect any of the four plug wires to it, and with the ignition on, crank the engine over. If there is a spark, it would indicate that the ignition system is working. If there is a spark and the engine won't run, then you either have a fuel problem, or the engine is flooded. Even though this fifth spark plug is just laying on the cylinder head, there is enough "contact" to complete the connection.
Tom
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Pure genius!
One of the things where you slap your forehead and say 'why didn't I think of that?'
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