Set allows single or multiple testing. Simply fit tester between spark plug and HT lead and then run engine. Regular flashing of the testers indicates a good HT supply. Not suitable for engines with deeply recessed plugs.
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• Set allows single or multiple testing.
• Simply fit tester between spark plug and HT lead and then run engine.
• Regular flashing of the testers indicates a good HT supply.
• Not suitable for engines with deeply recessed plugs.