S&G Tool Aid Ignition Spark Checkers

Need to test spark plug circuits, electric fuel injection signals, or idle air control circuits? S&G Tool Aid ignition spark checkers are up to the task. These easy-to-use kits are designed to quickly diagnose "no start" and "engine misses" conditions in the fuel injection and spark plug circuits. Features and benefits of S&G Tool Aid ignition spark checkers: * In-line spark checker kit for recessed spark plugs * Can be used to test conventional and coil-on plug ignition systems * A must-have for testing new vehicles with recessed spark plugs * Has Noid lights for checking: GM PFI, Ford TBI, GEO TBI, Bosch PFI, GM TBI, GM SCPI, Bosch 2 and GM Multec 2 * IAC test lights for straight and 90 degree applications * Supplied with instructions in a durable, plastic molded case Show Less