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Raptor Shift Light Install-Porsche

Most Porsches have the tach signal at the diagnostic OBDII port. Usually labeled "TN Signal" and is typically at pin #9 (black wire with a violet stripe or violet wire with green stripe). Connect the green wire of the shift light here.

OBDII Port:
Pin #9: Tach Signal (black with violet stripe OR violet wire with green stripe)

Pin #4: Ground (brown wire)