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G.M. dist. pickup coil sig. and ref. pulse
Posted to the Waveform Library on 8/18/2003

this is a bench test, using a dual trace scope, 1 on dist. pick-up coil and 1 on purple-white wire(reference pulse for ecm). i wanted to show the conversion from an analog signal to a digital signal. note the digital signals on and off points in reference to t...