HomeElectrical, Lighting and Body > SwitchesStandard Ignition NS-146 Clutch Starter Safety Switch
Part #: NS-146

Standard Ignition NS-146 Clutch Starter Safety Switch

⚙️ 16 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, F-150 and F-150 Heritage
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Overview of Standard Ignition Clutch Starter Safety Switch NS-146

The Standard Ignition NS-146 clutch starter safety switch is designed for reliable operation in select Ford trucks. This black switch features a rectangular female connector and six male blade terminals, ensuring secure electrical connections for your vehicle's starting system.

  • Color: Black
  • Connector Gender: Female
  • Connector Shape: Rectangular
  • Terminal Gender: Male
  • Terminal Quantity: 6
  • Terminal Type: Blade
  • Includes clutch starter safety switch component

Detailed Product Description

The NS-146 clutch starter safety switch by Standard Ignition is engineered to meet the electrical and safety requirements of Ford trucks including the F-150, F-150 Heritage, F-250 Super Duty, and F-350 Super Duty models. Its black housing and rectangular female connector provide a precise fit, while the six male blade terminals ensure proper electrical contact and durability. This switch plays a critical role in preventing the engine from starting unless the clutch pedal is fully depressed, enhancing vehicle safety and preventing unintended movement.

Compatible Vehicles and Applications

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

  • Ford F-150
  • Ford F-150 Heritage
  • Ford F-250 Super Duty
  • Ford F-350 Super Duty

Common Issues Addressed by the NS-146 Switch

  • Engine fails to start due to faulty clutch switch
  • Intermittent starting problems related to electrical connection
  • Safety concerns from engine starting without clutch engagement
  • Malfunctioning starter circuit preventing vehicle operation
  • Wear or damage to original clutch starter safety switch

Installation Notes and Tips

  • Ensure the vehicle ignition is off before installation
  • Disconnect the battery to prevent electrical shorts
  • Verify connector orientation matches the rectangular female design
  • Check that all six blade terminals are securely connected
  • Test clutch pedal engagement to confirm switch operation before driving

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The NS-146 clutch starter safety switch undergoes rigorous quality control to ensure reliable performance in Ford F-150, F-150 Heritage, F-250 Super Duty, and F-350 Super Duty trucks. Warranty coverage details should be confirmed with the product documentation or manufacturer.

BrandStandard Ignition
Part NumberNS-146
ColorBlack
Connector GenderFemale
Connector ShapeRectangular
ContentsClutch Starter Safety Switch
Terminal GenderMale
Terminal TypeBlade

This part fits 16 vehicles. Search below:

YearMakeModelPositionNotes
2008FordF-150N/A
2007FordF-150N/A
2007FordF-250 Super DutyN/A
2007FordF-350 Super DutyN/A
2006FordF-150N/A
2006FordF-250 Super DutyN/A
2006FordF-350 Super DutyN/A
2005FordF-150N/A
2004FordF-150 HeritageN/A
2003FordF-150N/A
2002FordF-150N/A
2001FordF-150N/A
2000FordF-150N/A
1999FordF-150N/A
1998FordF-150N/A
1997FordF-150N/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:

1L3Z11A152AA1S526453-1262188923450F4006NS376NS5878S26367SW6329

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