Spark Plug Tester Ignition System Coil Engine In Line Autos Adjustable Ignition Coil Tester Ignition Spark Test Tool

Product Size: Length: 115mm / 4.53in Diameter: 22mm / 0.87in Cable Length: 520mm / 20.47in Color: Black Weight: 80g / 3.39in

Features:: It is the resistance to spark 10k, 20k, 30k and ohms, white lettering can make you read the measurement easier

√ Professional Design - According to spark color and flash over distance to determine the quality of the coil. √ Great Value - Can intuitively convenient to understand the operation of the ignition coil. √ Better And Faster - It is the quickest way to test for no-start conditions. √ Easy To Read - High visibility white lettering makes it easy to read the measurement. √ Perfect Selection - Screw assembly adjusts spark quickly and easily. Avoid fire, the ignition coil burned out and so on.

How does this connect to a coil on plug system? 1) Grip the clip to the engine. 2) Put the other end in the spark plug wire. 3) Read the length on the spark through the little window. 4) The longer the spark the stronger the coil.

!!!NOTE:The tester must be placed at least 5mm from anywhere in the vehicle. You can use a belt or other fixed tester. It is important not to place the tester near the vehicle ground or sparks that may cause a short circuit to cut to any grounded component and will not properly jump in the tester.

The Package Includes: As shown in the first picture: 1X Adjustable Ignition Coil Tester