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- EFI Test Light-GM PFI
3412EFI Test Light-GM PFI
Descriptions:
EFI Test Light-GM PFI
Features:
- Simply for testing: Disconnect the fuel injectors, plug in a Noid.
- Quickly determines if the electrical signal present at the fuel injectors.
- Light and crank the engine, a flashing Noid light indicates normal pulsing voltage.