Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire. With the engine running, the tool flashes a mirror image of ignition spark.

Brand: Unbranded
Accessories: Ground Wire
Type: Spark Plug Tester
Warranty: 1 Year
Unit Type: lb
Vehicle Type: Heavy Duty/Commercial
Manufacturer Part Number: None
Volt: 12 Volt
Country/Region of Manufacture: United States
Unit Quantity: None