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**pjmoreland** · 11-24-2021, 11:34 PM

That's mysterious. What are the specs of the LED (rated Voltage and current draw), and how many Ohms is the resistor? Have you tried it with the engine running so the voltage is higher?

11-24-2021, 11:34 PM	#2
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 5,349	Re: Trouble adding led indicator to circuit That's mysterious. What are the specs of the LED (rated Voltage and current draw), and how many Ohms is the resistor? Have you tried it with the engine running so the voltage is higher?