คุณลักษณะ

• Usage: (1) Turn off the engine and unplug the plug cord.　② Attach the test cord connector (knife) to the spark plug. (Straight or 90° depends on the situation.) Attach the other connector of the test cord to the tester terminal (male).　③ Plug the other end of the tester into the plug cord.　④ Start the engine and check the tester.　⑤ Repeat the above steps for all plugs.
• The ignition system can be visually inspected.
• Install it between the spark plug and the plug wire.