6 Piece Deluxe Noid Light Set: H

7872 Noid Light Set 6 Piece Deluxe The most economic way to check electronic fuel injection (EFI) signals. Fast and easily checks for systems of GM TBI, Bosch PFI Ford TBI, GM PFI, GEO TBI and GM SCPI just disconnect the fuel injectors, plug the Noid Lite into injectors, plug the Noid Lite into injector wiring harness then crank the engine