In Line Spark Plug Tester Tool
Test Automotive Ignition Systems - Great Tool for any Auto MAN or Woman!!
Quick and easy test indicates ignition or fuel delivery problem. Simply connect between spark plug and spark plug wire--only takes a few seconds. Also finds dirty spark plug connections, defective points, bad cables or connections, and more. When the spark circuit is complete a bulb flashes.
In-line ignition spark tester is used to test for bad spark conditions. Essential for troubleshooting all internal combustion engines.