- Spark Plug Tester tests spark plugs quick and easy without damaging wire.
- Flashing bulb indicates a live and functioning wire/plug.
- Engine must be running to indicate a spark.
- Does not puncture wire.
The ABN Spark Plug Tester is a must have for anyone who works with vehicles. Allows user to easily test spark plugs without puncturing the wire. Flashing bulb indicates a live and functioning wire/plug. The engine must be running to indicate a spark. This product has a manufacturer warranty against defects in materials and workmanship for a period of ONE (1) YEAR from the date of original retail purchase. See our Seller Return Policy for more details.
California Residents Prop 65 warning: Products may contain a chemical known to the State of California to cause cancer, birth defects or other reproductive harm.