Astro Pneumatic AST-7898 Deluxe Signal Test Light Set, Astro Pneumatic, Mfr#: AST-7898

Features 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 Weight – 1.000 lbs.