Quote:
Originally Posted by mongocanfly
When I googled ESS it says (engine start/stop) mode...is this what your talking about?
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No sir it isn't, when refer to lt1swap, this is one of the pages that I use for reference. I just pulled the section and pasted here.
Pin 10 - White - Engine Speed Signal - Tach signal. Stock programming of the PCM will output a 4 cylinder tach signal. When I program the PCM, I can change this signal to a 8 cylinder. This way you don't have to modify your tach.
Then on a different page, theres pins for a VSS high and VSS low