Get a positive Park/Neutral start with the Standard Ignition Neutral Safety Switch NS-312. It drops in as a direct-fit replacement for the 2000-2001 Chevrolet Prizm and the 2000-2002 Toyota Corolla, restoring the switch that tells the starting circuit the transmission is safely in Park or Neutral.
Mounted on the automatic transmission, this switch is the electrical safeguard that allows the engine to crank only in Park or Neutral. If a failed neutral safety switch is the cause of your no-crank or crank-in-any-gear condition, this replaces it.
- Function: Signals the starting system so the engine cranks only with the shifter in Park or Neutral.
- Direct fit: Designed to install in place of the original switch on the listed applications.
- Common failure signs: Engine won't crank, or cranks in gears other than Park/Neutral — signs this switch may need replacing.
Diagnose the cause before replacing, as these symptoms can have other sources.
Interchange: NS38023 · DR4123 · NS6805 · 94859311 · 8454052010. Manufacturer part number NS-312.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this neutral safety switch do?
It signals the starting circuit so the engine can crank only when the transmission is in Park or Neutral.
Which vehicles does the NS-312 fit?
It's a direct-fit replacement for the 2000-2001 Chevrolet Prizm and the 2000-2002 Toyota Corolla. Check the Buyer's Guide tab to confirm your exact vehicle.
What are the signs this switch may need replacing?
The engine won't crank in Park or Neutral, or it cranks in other gears. Diagnose the cause first, since these symptoms can have other sources.
Where is the neutral safety switch located?
It mounts on the automatic transmission. Consult the vehicle service information for the exact location and procedure on your application.
What numbers does this part interchange with?
It replaces NS38023, DR4123, NS6805, 94859311, and 8454052010. The manufacturer part number is NS-312.
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