GM TBI Noid-Lite.
Noid Lites are the fastest, easiest, most economical way to check electronic fuel injection signals.Simply disconnect the fuel injectors, plug th Noid Lite into the injector wiring harness, and crank the engine. Normal pulsing voltage is indicated by a flashing light, which is visible from the passenger compartment.GM model 220, 300, 500 series TBI.Weight: 2oz.
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