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fully operate the noid light BUT NOT ENOUGH TO OPERATE THE INJECTOR. If this is not clear, picture a battery with a lot of corrosion on the terminals. Say there is enough corrosion that How do you identify and avoid all these situations? By using the correct type of noid light. This requires that z Systems with a voltage controlled injector driver. Another way to say it: The noid light is designed for a z Systems with a current controlled injector driver. Another way to say it: The noid light is designed for a z Systems with a voltage controlled injector driver and an external injector resistor. Another way of saying If you are not sure which type of circuit your noid light is designed for, plug it into a known good car and check Next time you need to use a noid light for diagnosis, determine what type of injector circuit you are dealing Of course, if you suspect a no-pulse condition you could plug in any one whose connector fit without fear of In any cases of doubt regarding the use of a noid light, a lab scope will overcome all inherent weaknesses. OVERVIEW OF DVOM A DVOM is typically used to check injector resistance and available voltage at the injector. Some techs also use There are situations where the DVOM performs these checks dependably, and other situations where it can Checking Injector Resistance NOTE: Some noid lights can meet both the second and third categories
1998 Chevrolet Pickup C1500 GENERAL INFORMATION Waveforms - Injector Pattern Tutorial
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