Tool Aid 36350 In-Line Spark Checker Kit

In-line spark checker for recessed plugs, noid lights and iac test lights kit in-line spark checker for recessed plugs, noid lights and iac test lights kit features and benefits: use to test spark plug circuits, electronic fuel injection signals and idle air control circuitsincludes sgt23970, in-line spark checker kit for recessed plugs8 noid lights for checking gm pfi, ford tbi, geo tbi, bosch pfi, gm tbi, gm scpi, bosch 2 and gm multec 22 iac test lights for straight and 90 degree applicationsquickly diagnose no start and engine misses conditions in the electrical fuel injection and spark plug circuitsanalyze rough running engines. The sgt23970 is a must for testing newer vehicles with recessed spark plugs. Can also be used to test conventional and coil-on plug ignition systems.