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Standard Ignition NS-145 Neutral Safety Switch
| Brand | Standard Ignition NS-145 |
|---|---|
| Connector Gender | Female |
| Mounting Type | Direct |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Fits | Kia and Mazda · 17 vehicles |
Direct-fit replacement. Mounting type and attachment method are direct for easier installation.
Metal construction. Built with a metal body and a black-silver finish.
12V switch. Uses a single rectangular female connector with 9 blade terminals.
Cross-references Standard Ignition NS-145, FW3521444A and JA4293 for the same application. See all 6.
Neutral Safety Switch for Kia and Mazda
Standard Ignition NS-145 is a direct-mount neutral safety switch built for 12V electrical systems. It uses a single rectangular female connector with 9 male blade terminals and a metal housing for a direct attachment setup.
- Neutral safety switch for automatic transmission start-interlock circuits
- Direct mounting type with direct attachment method
- 12V electrical design
- Metal construction with black and silver finish
- 1 rectangular female connector, 9 male blade terminals
- Fits 2000-2004 Kia Spectra, N/A
- Fits 1996-2001 Kia Sephia, N/A
- Fits 1995-1997 Mazda Protege, N/A
- Fits 1994-1996 Mazda MX-3, N/A
Fitment and Function
This Standard Ignition NS-145 neutral safety switch helps control starter engagement by confirming the transmission is in the proper range before cranking. It is a direct replacement style part for select Kia Spectra, Kia Sephia, Mazda Protege, and Mazda MX-3 applications, making it a practical choice when diagnosing no-crank or intermittent start conditions tied to the park/neutral circuit. This part cross-references S26195 for the same application.
Common Issues It Can Address
- No-crank condition when the shifter is in Park or Neutral
- Starter engagement only in certain gear positions
- Intermittent starting caused by worn switch contacts
- Transmission range signal problems affecting the start circuit
- Reverse or park/neutral circuit faults related to the switch assembly
Installation Notes and Tips
Verify connector style, terminal count, and mounting style before installation. The NS-145 uses a direct mount design with no mounting hardware or gaskets listed, so transfer and alignment should be checked carefully during replacement. Confirm the shifter and transmission are in the correct position before testing starter operation after installation.
Quality Assurance
Standard Ignition supplies electrical replacement parts for service applications, and this neutral safety switch is built to match the listed connector, terminal, and mounting specifications for the confirmed vehicle fitments.
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Kia | Spectra | Automatic | 1.8L | L4 | N/A | — |
| 2003 | Kia | Spectra | Automatic | — | — | N/A | — |
| 2002 | Kia | Spectra | Automatic | — | — | N/A | — |
| 2001 | Kia | Sephia | Automatic | — | — | N/A | — |
| 2001 | Kia | Spectra | Automatic | — | — | N/A | — |
| 2000 | Kia | Sephia | Automatic | — | — | N/A | — |
| 2000 | Kia | Spectra | Automatic | — | — | N/A | — |
| 1999 | Kia | Sephia | Automatic | — | — | N/A | — |
| 1998 | Kia | Sephia | Automatic | — | — | N/A | — |
| 1997 | Kia | Sephia | Automatic | — | — | N/A | — |
| 1997 | Mazda | Protege | Automatic | — | — | N/A | — |
| 1996 | Kia | Sephia | Automatic | — | — | N/A | — |
| 1996 | Mazda | MX-3 | — | 1.6L | L4 | N/A | — |
| 1996 | Mazda | Protege | Automatic | — | — | N/A | — |
| 1995 | Mazda | MX-3 | Automatic | — | — | N/A | — |
| 1995 | Mazda | Protege | Automatic | — | — | N/A | — |
| 1994 | Mazda | MX-3 | Automatic | — | — | N/A | — |
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