Quote:
Originally Posted by sterlingRPI
Unrelated question. But would that undo a dyno tune?
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No, a tune changes tables/settings on the ECM. Kind of like changing an Excel file on PC, saving it, then unplugging your computer. When you go back in it will still be saved.
That said, I would never purposely short a system by touching two wires together. Just leave it disconnected over night.