General description Sealey VS526 In-Line Ignition/HT Spark Tester is designed to test the high tension (HT) supply to spark plugs, making it suitable for spark ignition engines. This tool allows for quick and simple fault diagnosis, ensuring efficient troubleshooting of ignition issues. Technical specifications Model No.: VS526 MPN: VS526 EAN: 5024209351904 Nett Weight: 0.07 kg Other information