Spark Checker for Recessed Plugs, Noid Lights and IAC Test Lights Kit

Use to test spark plug circuits, electronic fuel injection signals and idle air control circuits. Quickly diagnose “no start_ and engine misses conditions in the electrical fuel injection and spark plug circuits. Analyze rough running engines. Supplied with instructions in a durable, plastic molded storage case. Includes: Cat. No. 23970, In-Line Spark Checker Kit for Recessed Plugs. This is a must for testing newer vehicles with recessed spark plugs. Can also be used to test conventional and coil-on plug ignition systems, Noid Lights for checking GM PFI, FORD TBI, GEO TBI, BOSCH PFI, GM TBI, GM SCPI, BOSCH 2 and GM MULTEC 2, 2 IAC Test Lights for straight and 90_applications Quickly diagnose “no start_ and engine misses conditions in the electrical fuel injection and spark plug circuits.