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Standard Ignition NS-517 Neutral Safety Switch
| Brand | Standard Ignition NS-517 |
|---|---|
| Color | Black , Gray |
| Color/Finish | Black |
| Connector Gender | Female |
| Finish | Metal, Plastic |
| Material | Metal |
| Mounting Type | Bolt Mount |
| Terminal Gender | Male |
| Terminal Type | Blade & Pin |
| Fits | Toyota · 13 vehicles |
Bolt-mount design. Installs securely with a simple bolt-on attachment method.
Metal construction. Built with a metal body and metal-plastic finish for durability.
12V switch. Designed for standard 12-volt electrical systems.
Cross-references Standard Ignition NS-517, 8454035050 and NS6735 for the same application. See all 5.
Neutral Safety Switch for Toyota Tacoma and 4Runner
Standard Ignition NS-517 is a 12V neutral safety switch built with a metal and plastic housing, a black face, and a rectangular female connector. It is a direct-fit electrical switch for automatic transmission starting circuit control on select Toyota Tacoma and Toyota 4Runner applications.
- Fits 2005-2015 Toyota Tacoma, N/A
- Fits 2010 Toyota 4Runner, N/A
- 12V electrical switch for starter interlock operation
- 9 terminal blade-and-pin design with 1 rectangular female connector
- Bolt-mount attachment method
- Metal and plastic finish with black face color
Detailed Product Overview
The Standard Ignition NS-517 neutral safety switch helps maintain proper starting-circuit operation by allowing the vehicle to start only in the correct transmission range. Built for Toyota Tacoma and Toyota 4Runner fitment, this switch uses a 9-terminal layout, male terminals, and a single rectangular female connector for a factory-style electrical connection. The NS-517 part number is also referenced as an OE-style replacement for applications that call for this configuration.
This part cross-references 8454035050 and NS6735 for the same application.
Common Problems This Part Can Address
- Engine will not crank in Park or Neutral
- Intermittent no-start condition related to transmission range sensing
- Starter engagement only in certain shifter positions
- Reverse or range signal issues tied to the neutral safety circuit
- Electrical connection problems at the transmission-mounted switch
Installation Notes and Tips
Verify connector shape, terminal count, and bolt-mount style before installation. Align the switch carefully with the transmission linkage or selector mechanism so the starting circuit and range signals are set correctly. Because mounting hardware and gaskets are not listed as included, reuse or source the required components as needed for the vehicle.
Quality Assurance
Standard Ignition is a recognized aftermarket brand for electrical components, and NS-517 is built to match the specified Toyota application details for fit and function.
| Year | Make | Model | Submodel | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2015 | Toyota | Tacoma | — | Automatic | 2.7L | L4 | N/A | — |
| 2014 | Toyota | Tacoma | — | — | 2.7L | L4 | N/A | — |
| 2013 | Toyota | Tacoma | — | — | 2.7L | L4 | N/A | — |
| 2012 | Toyota | Tacoma | — | — | 2.7L | L4 | N/A | — |
| 2011 | Toyota | Tacoma | Base | — | 2.7L | L4 | N/A | — |
| 2011 | Toyota | Tacoma | Pre Runner | — | 2.7L | L4 | N/A | — |
| 2010 | Toyota | 4Runner | — | — | 2.7L | L4 | N/A | — |
| 2010 | Toyota | Tacoma | — | Automatic | 2.7L | L4 | N/A | — |
| 2009 | Toyota | Tacoma | — | Automatic | 2.7L | L4 | N/A | — |
| 2008 | Toyota | Tacoma | — | Automatic | 2.7L | L4 | N/A | — |
| 2007 | Toyota | Tacoma | — | Automatic | 2.7L | L4 | N/A | — |
| 2006 | Toyota | Tacoma | — | Automatic | — | — | N/A | — |
| 2005 | Toyota | Tacoma | — | Automatic | — | — | N/A | — |
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