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1979 Throttle Positioner System: Notes

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  1. Start engine and set idle speed. Detach Black/White or Brown/Red wire (as equipped) from 3-way solenoid. Engine speed should increase to 1000 RPM (Federal) or 1100 RPM (Calif.).
  2. If not, 3-way solenoid or servo diaphragm is improperly operating. See SERVO DIAPHRAGM  testing below. Replace units as required.
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