1991 emc, pcm, ECU whatever.
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1991 emc, pcm, ECU whatever.
91 Montero LS ECU part number MD146946. Is there a particular pin and method that can be back probed on this ECU plug to check for control signal to ignition coil? Ignition coil and module are both getting 12 volts module has the third wire with smaller voltage. I'm assuming the ECM takes crank / cam signals and sends ground pulse to the coil for firing. Haven't tested crank/cam sensors yet
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