Tests For no spark condition essential for trouble shooting all internal combustion engines.
Simple In-line Connection Between Spark Plug Wire and Spark Plug
Tests for Continuity of Ignition Circuit
Indicator Light Flashes when Ignition Circuit is Complete
Great for trouble shooting all internal combustion engines
Test Range: 6v - 12v
Use: 1: with engine off,remove spak plug wire 2: Attach black connector to spark plug 3: Insert metal end of tester into spark plug wire 4: Try to start the engine 5: If ignition circuit is complete,bulb will flash