Car Coil On Plug Cop Ignition System Quick Tester Checker Circuit

product type:COP Ignition System Quick TesterNote: This tester is powered by 3v button battery.Red LED LightConsistent, steady flashing and beeping indicates the COP is producing the correct amount of voltage.No response or an inconsistent response indicates the COP is NOT producing the correct amount of voltage. This may be caused by one of the following:1.Fouled spark plug, or incorrect gap2.Damaged/corroded wires or connectors3.Faulty coil or PCMGreen LED LightConsistent and steady flashing indicates the duration of the arc is correct.No response or an inconsistent response indicates the duration of the arc is NOT correct. This may be caused by one of the following:1.Shorted windings inside the coil2. Resistance or bad connections in the3. primary / secondary connections4. Faulty coilMaterial: plastic casecolour:Random color(Note: Random color, don't accept the specified color.)Package Contents:1 * Ignition System TesterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.