Hooking up ssi-4
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Hooking up ssi-4
Im looking at hooking up a ssi-4 with my lc1 so i can graph my air/fuel ratio with rpms. I have read that the easiest way to pick up a tach signal is from wire 10 off the PCM. My question is where do i hook up the ground wire for the ssi-4, can i just hook it up to where my grounds are for my lc1???