Standard Ignition NS-312 Neutral Safety Switch

Neutral Safety Switch for Toyota, Chevrolet, and Scion

Standard Ignition NS-312 is a 12V neutral safety switch built with a bolt-mount design, a rectangular female connector, and 7 male blade terminals. It is a direct-fit electrical replacement for select Toyota Corolla, Chevrolet Prizm, and Scion xB applications where accurate park/neutral signal control is required.

Key Features

• Neutral safety switch for automatic transmission start-circuit control
• Fits 2000-2002 Toyota Corolla
• Fits 2000-2001 Chevrolet Prizm
• Fits 2004 Scion xB
• 12V electrical component with 1 rectangular female connector
• 7 male blade terminals for vehicle-specific connection
• Bolt-mount attachment for secure installation
• Black and silver plastic/metal construction
• Standard Ignition NS-312 part number for catalog matching

Detailed Description

Standard Ignition NS-312 is a neutral safety switch used in the starting and transmission interlock circuit. It helps ensure the vehicle starts only in Park or Neutral, while also supporting proper signal communication between the transmission range circuit and the starter system. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. For shoppers searching for a Toyota Corolla neutral safety switch, Chevrolet Prizm neutral safety switch, or Scion xB neutral safety switch, NS-312 provides a fitment-specific replacement option.

What It Helps Address

• No-crank condition when the shifter is in Park or Neutral
• Starter engagement only in the wrong gear position
• Intermittent starting caused by a worn transmission range switch
• Park/Neutral signal faults affecting starting circuit operation
• Electrical connection issues at the transmission-mounted switch

Installation Notes and Tips

Install NS-312 on the transmission using the bolt-mount attachment point and verify the connector orientation before securing the harness. Confirm the 7-terminal blade layout matches the original switch and inspect the mating connector for corrosion or heat damage before installation. After replacement, check that the engine starts in Park and Neutral only and that the shifter positions align correctly with the transmission range circuit.

Quality Assurance

Standard Ignition supplies electrical replacement parts for vehicle-specific service applications, and NS-312 is built to match the listed fitment and terminal configuration for the covered Toyota Corolla, Chevrolet Prizm, and Scion xB models.