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Ram-Pro Spark Tester, Plug Engine Ignition Tester, 6-12 Volt Fool-Proof – Pick Up Coil/Armature Diagnostic Detector Tool – for Automotive, Car Lawnmower Small & Big Internal/External Engines 2 PK

HOW TO USE: Simply link the tester in between the trigger plug and the plug cord, if trigger is being sent out, the tester will certainly mirror the light and stimulate up – Find unclean stimulate plugs, faulty factors, negative wires or links, etc.DIMENSIONS: 6″boot/cable, 5″ shaft/light real estate; 2.2 oz.

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