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What is the function of a neutral safety switch on 1996 Nissan sentra?

The neutral safety switch on a 1996 Nissan Sentra prevents the car from starting unless the transmission is in the "Park" or "Neutral" position. This safety feature is designed to prevent the car from rolling away if it is accidentally shifted into gear while stopped with the engine running.

The neutral safety switch is located on the bottom of the steering column, attached to the transmission shift linkage. When the transmission is in Park or Neutral, the switch completes a circuit that allows the starter solenoid to be energized and the engine to start. If the transmission is not in Park or Neutral, the switch opens the circuit and the starter solenoid will not be energized, preventing the engine from starting.

A faulty neutral safety switch can cause the car to be unable to start, even if the transmission is in Park or Neutral. If you are experiencing starting problems with your 1996 Nissan Sentra, the neutral safety switch may be the culprit. A mechanic can diagnose the problem and replace the neutral safety switch if necessary.