751106 Jims in Line Spark Tester

The Jims In-Line Spark Tester provides a straightforward visual method for diagnosing ignition system health on Harley-Davidson motorcycles. By connecting directly between the spark plug and the lead, this tool allows technicians to observe the spark intensity and consistency while the engine is cranking or running. It is compatible with all ignition types, including modern distributorless systems found on late-model bikes. Jims manufactures this diagnostic tool to withstand workshop environments, ensuring a reliable connection for troubleshooting misfires or starting issues. This essential addition to any toolbox simplifies electrical diagnostics without requiring complex multimeters for initial checks.