Spark Plug Tester Ignition 12V In-Line Spark Tester
Specifications:
1.Simple In-line Connection Between Spark Plug Wire and Spark Plug
2.Tests for Continuity of Ignition Circuit
3.Indicator Light Flashes when Ignition Circuit is Complete
4.Great for trouble shooting all internal combustion engines
5.Test Range: 6 - 12 VDC
6.PROFESSIONAL QUALITY