Product Details

Astro Pneumatic 7898 - Deluxe Noid Light & Signal Test Set

• Economic way to check electronic fuel injection (EFI) signals
• Quickly and easily checks 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 Light into the injector wiring harness then crank the engine
• Normal voltage indicated by flashing light which is visible from passenger compartment