2pcs Inline Spark Plug Tester Ignition and Engine Armature Diagnostic Detector then the voltmeter will show

then the voltmeter will show the voltage of the other one

Modes: Static Color/Blink/Breath/Stroboscopic

Here we have a Pair of 80cm 5AWG Car Battery Cables Black Red Silicone Cables with M10 Eye Terminals

For Opel Astra K Stefenheck

whether lying flat or on your side

2pcs Inline Spark Plug Tester Ignition and Engine Armature Diagnostic Detector then the voltmeter will showAbout this item *Engine Spark Plug Tester: Spark plug ignition tester can quickly diagnose ignition and engine problems and defects, troubleshooting spark plug connections, contact points, damaged cables wait. This is a practical diagnostic tool for any engine with spark plugs *How to Use: Connect the black skin of the tester to the spark plug and the metal end of the tester to the spark plug coil. After starting the engine, if the ignition circuit