Deluxe Noid Lite and GM Signal Test Light Set AST7898 Hearing Protection They're made of high strength

They're made of high strength steel and resist rounding out

Expands quickly to cylinder size with fast action rack and pinion

Utilizes a soft foam construction for fine finish sanding and offers outstanding comfortability to contours and curves

Quieter disconnection

Deluxe Noid Lite and GM Signal Test Light Set AST7898 Hearing Protection They're made of high strengthDeluxe Noid Lite and GM Signal Test Light Set Features and Benefits: 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