• The most economic way to check electronic fuel injection (EFI) signals • Quickly and easily checks for systems of GM TBI, Bosch PFI Ford TBI, GM PFI, Geo TBI and GM SCPI • To test, just disconnect the fuel injectors, plug the Noid Lite into injector wiring harness then crank the engine • Normal voltage is indicated by flashing light which is visible from passenger compartment • Blow molded case for easy storage and transport
