SP TOOLS Inline Ignition Spark Tester / Model: SP61030

Features

• Checks whether there is high tension spark potential at the spark plug
• ‘‘Hands free’’ operation means no risk of electric shock to user
• Ideal for modern vehicles with sensitive electronics
• Easy to use - Remove rubber boot from spark plug, insert inline tester & place tester boot on plug.
  Turn the engine over - Tester light will glow if ignition spark is being sent to the cylinder.