• Noid Lites are a 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 a Noid Lite and crank the engine
• A flashing Noid light indicates normal pulsing voltage
• Works on 1984 to current Ford F600 F700 and F800 series having Lucas Girling hydraulic brakes
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