1 Spark plug tester can provide rapid diagnostic support for all ignition systems problems testing. 2 Simple to operate, just connect the tool between the spark plug and the plug wire. 3 The normal spark of the ignition coil is like "purple blue and 2 cm straight line", the color will becomes red or curved when it becomes worse. 4 Transparent viewing window design, convenient to observe the jumping situation and confirm whether it is normal and easy to use. 5 Comes with grounded clip for firm fixing, a anti-rust rubber sleeve for easy use. 6 Use alloy material to connect the high-pressure connector, strong and durable.
What's in the box
1 x Universal Sparking Plug Tester
