Park/Neutral (P/N) Switch

1993 Chevrolet Forward Control 7.4 NSECTION Park/Neutral (P/N) Switch

Disconnect P/N switch (located on transmission) harness connector. Connect ohmmeter between P/N switch terminals. See Fig 1. Continuity should be present only when gear shift selector is in Park or Neutral. If continuity is not present, check P/N switch adjustment or replace defective P/N switch.

Fig 1: Typical P/N Switch Circuit
G90B15736Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
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  • β€’ You are not confident in the next step or safety outcome.