Straight Boot Inline Spark Plug Tester Coil Tester for Small Engine ABN 4009_PNT

[Quickly Diagnose Misfire Issues]: Use the ABN Spark Plug Spark Tester to diagnose engine ignition issues and defects; Troubleshoot spark plug connections, contact points, and bad cables [Service Your Vehicle]: From motorcycles and lawnmowers to cars, trucks, and boat motors, this small engine spark plug tester tool works for internal and external combustion engines that use spark plugs [Easy to Use]: Connect the coil checker tool between spark plug and plug wire then start engine; If sparks are sent, in line spark tester will mirror spark by lighting; Bright white light indicates healthy spark while jumping and dim color indicates weak coil or plug [Keeps You Safe]: spark plug tester engine ignition coil tester tool indicates inconsistencies and sparks in a way that keeps you safe from electric currents [Quality You Can Trust]: Each small engine spark tester automotive spark tester tool features a nickel-plated shaft and a rubber straight boot and cable that ensure durability and lon