Inline Ignition Spark Tester

Test ignition health and troubleshoot spark plugs, points, cables and more with this inline spark tester. Flashes a mirror image of ignition spark.

• Easily connects between the spark plug and spark plug wire

• With the engine running, the tool flashes a mirror image of ignition spark

• Quick and easy test helps check the condition of the ignition system at each cylinder

• Troubleshoot dirty spark plug connections, defective points, bad cables or connections, and more

• Shows voltage to plug, a stronger voltage will create a brighter light

• 5 in. Spark plug connection, overall length 8-1/2 in.