HomeElectrical, Lighting and Body > SwitchesStandard Ignition NS-199 Neutral Safety Switch
Part #: NS-199

Standard Ignition NS-199 Neutral Safety Switch

⚙️ 21 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mazda, Transit Connect, Focus, and Protege
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Reliable Neutral Safety Switch for Ford and Mazda Vehicles

The Standard Ignition NS-199 Neutral Safety Switch is designed to ensure safe and accurate transmission operation for select Ford and Mazda models. Engineered with durable materials and precise connectors, this switch helps maintain proper vehicle starting functions.

Key Features of the Standard Ignition NS-199 Neutral Safety Switch

  • Color: Black plastic finish for corrosion resistance and durability
  • Connector: Female type with a single connector for secure electrical connection
  • Terminals: Nine male blade terminals designed for reliable contact
  • Compatible with Ford Focus, Ford Transit Connect, and Mazda Protege models
  • Part number NS-199 ensures exact replacement fit

Detailed Product Description

The NS-199 Neutral Safety Switch by Standard Ignition is a critical component in the electrical system of your vehicle, preventing the engine from starting unless the transmission is in neutral or park. This switch features a black plastic housing that resists wear and environmental damage. It includes one female connector and nine male blade terminals, providing a secure and stable electrical interface. The design is tailored specifically for Ford Focus, Ford Transit Connect, and Mazda Protege vehicles, ensuring compatibility and proper function. Using the correct part number NS-199 guarantees that the switch meets OEM specifications for fit and performance.

Common Applications and Issues Addressed

  • Prevents engine from starting in gear, enhancing safety
  • Resolves intermittent or no-start conditions related to faulty neutral safety switches
  • Eliminates issues with transmission range sensor malfunctions
  • Corrects problems with starter circuit engagement
  • Helps maintain proper electrical signaling between transmission and ignition system

Installation Notes and Tips

  • Ensure vehicle is in park or neutral before installation
  • Disconnect battery to avoid electrical shorts during replacement
  • Verify connector gender and terminal type match existing wiring harness
  • Consult vehicle service manual for specific removal and installation procedures
  • Test switch operation after installation to confirm proper function

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The NS-199 Neutral Safety Switch undergoes rigorous quality control to ensure consistent operation. Warranty coverage details should be confirmed with the product documentation or supplier, typically including protection against manufacturing defects.

BrandStandard Ignition
Part NumberNS-199
ColorBlack
Connector GenderFemale
FinishPlastic
Terminal GenderMale
Terminal TypeBlade

This part fits 21 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2013FordTransit ConnectN/A
2012FordTransit ConnectN/A
2011FordFocusN/A
2011FordTransit ConnectN/A
2010FordFocusAutomaticN/A
2010FordTransit ConnectN/A
2009FordFocusAutomaticN/A
2008FordFocusAutomaticN/A
2007FordFocusAutomaticN/A
2006FordFocusAutomaticN/A
2005FordFocusAutomaticN/A
2004FordFocusAutomaticN/A
2003FordFocusAutomaticN/A
2003MazdaProtegeAutomaticN/AYushim Transmission
2002FordFocusAutomaticN/A
2002MazdaProtegeAutomaticN/A
2001FordFocusAutomaticN/A
2001MazdaProtegeAutomaticN/A
2000FordFocusAutomaticN/A
2000MazdaProtegeAutomaticN/A
1999MazdaProtegeAutomaticN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1S573653-317925S4Z7F293AA89057417FN0121444JA4358NS5891NS640S26378SW6538

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.