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2017 86 tach signal
Ok, let me put this in other words. From what I've searched so far, there are various places to get an RPM based pulse in a base model 86. I started at the ECM (and I have no desire to go back into can of worms
with my old eyes), and apparently the four locations on the bottom connector are all to ignition coils. They all go through the AC1 connector in the engine bay. Where is there a diagram of that connector? I've entered every set of search words I can think of.
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