HomeElectrical, Lighting and Body > SwitchesStandard Ignition NS-131 Clutch Starter Safety Switch
Part #: NS-131

Standard Ignition NS-131 Clutch Starter Safety Switch

⚙️ 45 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 Mercury, Mustang, Focus, GT, Explorer, Explorer Sport Trac, Cougar, Contour, and Mystique
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Overview of Standard Ignition Clutch Starter Safety Switch NS-131

The Standard Ignition NS-131 clutch starter safety switch is designed to ensure safe engine starting for select Ford and Mercury vehicles. This black plastic switch features a female connector and male blade terminals, providing reliable electrical connections for your vehicle's starting system.

  • Color: Black plastic finish for durability
  • Connector: Female, single connector for secure fit
  • Terminals: Two male blade terminals for reliable electrical contact
  • Compatible with multiple Ford and Mercury models
  • Part Number: NS-131 for easy identification and replacement

Detailed Product Description and Attributes

The NS-131 clutch starter safety switch from Standard Ignition is engineered with a plastic housing that offers resistance to wear and environmental factors. It includes one female connector and two male blade terminals, ensuring proper electrical connectivity within the clutch starting circuit. This switch is specifically designed to work with Ford and Mercury vehicles such as the Contour, Cougar, Explorer, Explorer Sport Trac, Focus, GT, Mustang, and Mystique. The black finish complements the vehicle’s electrical system components while maintaining durability.

Compatible Vehicles and Applications

This clutch starter safety switch is compatible with the following makes and models:

  • Ford Contour
  • Ford Cougar
  • Ford Explorer and Explorer Sport Trac
  • Ford Focus
  • Ford GT
  • Ford Mustang
  • Mercury Mystique

Use the NS-131 switch to maintain proper clutch safety interlock functionality and prevent engine start unless the clutch pedal is engaged.

Common Issues Addressed by NS-131 Clutch Starter Safety Switch

  • Engine fails to start due to faulty clutch safety switch
  • Intermittent starting problems related to electrical connection issues
  • Clutch pedal safety interlock malfunction
  • Electrical shorts or open circuits in the clutch starter system
  • Replacement of worn or damaged clutch starter safety switches

Installation Notes and Tips

  • Ensure vehicle ignition is off before installation
  • Disconnect the battery to prevent electrical shorts
  • Locate the existing clutch starter safety switch on the clutch pedal assembly
  • Disconnect the female connector and remove the old switch carefully
  • Install the NS-131 switch by connecting the female connector and securing the blade terminals
  • Test the clutch pedal and engine start function before finalizing installation

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The NS-131 clutch starter safety switch undergoes rigorous quality control to ensure reliable performance in Ford and Mercury vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandStandard Ignition
Part NumberNS-131
ColorBlack
Connector GenderFemale
FinishPlastic
Terminal GenderMale
Terminal TypeBlade

This part fits 45 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2013FordMustangN/ATo 9/10/12
2012FordMustangN/A
2011FordMustangN/A
2010FordMustangN/A
2009FordMustangN/A
2008FordMustangN/A
2007FordFocusManualN/A
2007FordFocusN/A
2007FordMustangN/A
2006FordFocusManualN/A
2006FordFocusN/A
2006FordMustangN/A
2005FordFocusManualN/A
2005FordFocusN/A
2005FordGTN/A
2005FordMustangN/A
2004FordFocusManualN/A
2004FordFocusN/A
2003FordExplorerN/A
2003FordExplorer Sport TracN/A
2003FordFocusManualN/A
2003FordFocusN/A
2002FordExplorerN/A
2002FordExplorer Sport TracN/A
2002FordFocusManualN/A
2002FordFocusN/A
2001FordFocusManualN/A
2001FordFocusN/A
2001MercuryCougarN/A
2000FordContourN/A
2000FordFocusManualN/A
2000FordFocusN/A
2000MercuryCougarN/A
2000MercuryMystiqueN/A
1999FordContourN/A
1999MercuryCougarN/A
1999MercuryMystiqueN/A
1998FordContourN/A
1998MercuryMystiqueN/A
1997FordContourN/A
1997MercuryMystiqueN/A
1996FordContourN/A
1996MercuryMystiqueN/A
1995FordContourN/A
1995MercuryMystiqueN/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:

1S527153-3159789057400EC02664D0AF4017F5RZ11A152ANS229NS5874S5900SWE5020

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