Engine ignition plug analyzer--with the engine running, place the grooved end of the tool over the spark plug wire the bulb will flash to indicate spark,automotive ignition testers
Engine ignition analyzer--the grooved end makes the contacting areas between the wire and instrument larger,compression tester automotive
Spark board tester--it can be used in electronic ignition system and circuit breaker, which is convenient to use,small engine tools
Automotive ignition line tester--use this ignition spark tester to check the condition of the ignition system at each cylinder without going to mechanics,small engine spark tester
Pen-style spark tester--tool tests spark plugs, spark plug wires, and coils without puncturing the wire,engine ignition spark tester