HomeElectrical, Lighting and Body > SwitchesStandard Ignition NS-381 Clutch Starter Safety Switch
Part #: NS-381

Standard Ignition NS-381 Clutch Starter Safety Switch

⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, Miata
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Reliable Clutch Starter Safety Switch for Mazda Miata

The Standard Ignition NS-381 clutch starter safety switch is designed specifically for Mazda Miata models, ensuring proper electrical function and safety during vehicle startup. This switch features a durable design with precise connector and terminal specifications to maintain reliable performance.

Key Features of Standard Ignition NS-381

  • Compatible with Mazda Miata vehicles
  • 12-volt electrical rating for standard automotive systems
  • Female connector and male blade terminals for secure connections
  • Two blade-type terminals and two wires for proper circuit integration
  • Includes one clutch starter safety switch per package

Detailed Product Description

The Standard Ignition NS-381 clutch starter safety switch is engineered to meet the electrical and mechanical requirements of Mazda Miata models. It operates at 12 volts and features a female connector gender paired with two male blade terminals, ensuring a secure and reliable connection within the vehicle’s starting circuit. The switch includes two wires, facilitating straightforward installation and integration with the vehicle’s existing wiring harness. This component is essential for preventing engine start unless the clutch pedal is fully depressed, enhancing safety and preventing unintended vehicle movement.

Common Applications and Issues Addressed

  • Prevents engine from starting without clutch engagement
  • Resolves starting issues related to faulty clutch safety switches
  • Eliminates intermittent electrical connection problems in the starting circuit
  • Helps avoid starter motor engagement failures
  • Supports proper operation of the vehicle’s ignition safety system

Installation Notes and Tips

  • Ensure vehicle ignition is off before installation
  • Verify connector gender and terminal type match vehicle wiring harness
  • Use appropriate tools to avoid damaging blade terminals during installation
  • Test switch operation after installation to confirm proper function
  • Consult Mazda Miata service manual for specific wiring diagrams and torque specifications

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The NS-381 clutch starter safety switch undergoes rigorous quality control to ensure durability and reliable performance in Mazda Miata vehicles. Warranty coverage details are provided by Standard Ignition and typically include protection against defects in materials and workmanship under normal use.

BrandStandard Ignition
Part NumberNS-381
Connector GenderFemale
ContentsSwitch
Terminal GenderMale
Terminal TypeBlade

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2001MazdaMiataN/A
2000MazdaMiataN/A
1999MazdaMiataN/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:

18-1012FB01664D0NS38121NS6903

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