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How to Check to See If You Have a Spark Coming Out of the Ignition Coil Wire

If your vehicle isnt starting when the engine is turning over, you may not be getting spark to the spark plugs through the ignition coil. You can check this by performing a simple test. This task is relatively easy but you will need an assistant so that you can simultaneously perform some of the necessary functions detailed in the procedure. Figuring out the cause of the problem that you are experiencing with your vehicle is half the battle.

Instructions

1

Park your vehicle on a flat surface.

2

Open your hood to access your engine compartment.

3

Pull the nearest spark plug wire off the top of the spark plug to expose the end of the wire

4

Connect the exposed end of the wire to the top of an extra spark plug. Set the spark plug against one of the metal surfaces on the engine.

5

Ask your assistant to start the vehicle. If you see a spark come from the spark plug, then there is spark coming from the ignition coil because the wire is attached to the ignition coil.