Astro Pneumatic 7898 8pc Deluxe Noid Lite & GM AC Signal Test Lights Set Funnels General maintenance needle scaler easily

General maintenance needle scaler easily converts to a weld flux chipping hammer

3/8" 12pt Standard Fractional Socket

ÇÖt move an inch

Durable steel housing

Drawn steel body

Astro Pneumatic 7898 8pc Deluxe Noid Lite & GM AC Signal Test Lights Set Funnels General maintenance needle scaler easilyItem # 7898 Deluxe Noid Lite and GM AC Signal Test Lights Set ? 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