Astro Pneumatic 7898 8pc Deluxe Noid Lite & GM AC Signal Test Lights Set Flood Light 2-3/4" (69

2-3/4" (69

SK Hand Tools 34064 1/2" Dr

Continuous Backlit Display - Easy to See Readings

Do not use with impact wrench

Astro Pneumatic 7898 8pc Deluxe Noid Lite & GM AC Signal Test Lights Set Flood Light 2-3/4" (69Item # 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