Originally Posted by
JEFASOLD
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A question for the 'tron wizards. Does the signal to the supercharger that engages the clutch originate in the throttle body or in the sender unit at the pedal?
Neither. The PTCM runs the show, period.
Pin 1 of connector C1 at the PTCM goes to ground to engage the S/C clutch. As to how the PTCM makes the decision to engage the clutch, it is my understanding that the S/C engages at a certain RPM.
I wonder if I am right here.