A handy tool to check ignition spark without removing the spark plug. The tool is specially calibrated to measure ignition voltage. Works on both standard and electronic ignition systems. Easy to...
Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire. The tool is double-ended to offer a straight boot and a 90° boot on one tool. With the...
Use to test electronic fuel injection signals, idle air control circuit and spark plug circuits. Includes: 8 Noid Lights for checking GM PFI, Ford TBI, GEO TBI, Bosch PFI, GM TBI, GM SCPI, Bosch 2...