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Old 03-23-2012, 10:03 PM   #15
monkecmonkedo
Old Volvos are slow
 
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Join Date: Mar 2005
Location: Clifton Park, NY
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I should have listened... tomorrow I'll clip on pin 7 of the LM2903 like you said. I'll see if I can log at 50kHz to get good resolution. At the very least, 36kHz.

So I'm guessing I was measuring the speed sensor (diff?) that feeds the speedometer? The signal is definitely speed dependent.
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