Use this ignition spark tester to check the condition of the ignition system at each cylinder. The spark tester connects between the spark plug and spark plug wire to troubleshoot dirty spark plug connections, defective points, and bad cables or connections. Connects in seconds.
- Troubleshoot dirty spark plug connections, defective points, bad cables, or connections
- Bulb flashes to indicate ignition or fuel delivery problem
- Connects between spark plug and plug wire
- Works on all ignition systems with nonrecessed spark plugs, including distributorless ignition systems (d.i.s)
