- Quickly, easily and economically test electronic fuel injection signals.
- Supplied with Noid Lights to check GM TBI, Bosch PFI, Ford TBI, GM PFI, Geo TBI and GM SCPI.
- Easy to use - just disconnect the wiring to the fuel injectors, install the Noid Light into the injector wiring harness and crank or start the engine.
- A flashing light indicates normal pulsing voltage.
- A steady light or no light indicates an electrical problem.
- Supplied with instructions in a durable, plastic molded storage case.
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