OTC Tools (OTC7828) GM SCPI Noid Light

Features and Benefits:

• Proven test device to quickly determine if the electrical signal is present at the fuel injector
• Simplest method for eliminating the EFI system or idle air control as possible faults on no-start vehicles
• Disconnect the fuel injectors, plug in the noid lite and crank the engine; a flashing noid light indicates normal pulsing voltage