Standard Ignition NS-529 Clutch Starter Safety Switch
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Standard Ignition

Standard Ignition NS-529 Clutch Starter Safety Switch

Brand Standard Ignition NS-529
Color Black, Red
Connector Gender Female
Contents Switch
Finish Plastic
Terminal Gender Male
Terminal Type Blade
Fits Mazda · 5 vehicles

Safety switch. Controls starter engagement through the clutch pedal circuit.

Female connector. Uses a 2-blade terminal layout for straightforward electrical connection.

Plastic finish. Black and red housing with a durable molded construction.

Cross-references Standard Ignition NS-529, GJ6A6649Y and JA4494 for the same application. See all 5.

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Clutch Starter Safety Switch Overview

Standard Ignition NS-529 is a clutch starter safety switch for manual-transmission starting circuits. It mounts at the clutch pedal and helps ensure the starter circuit is engaged only when the pedal is in the proper position.

Compatible with 2003-2005 Mazda 6 clutch pedal mounted applications and 2004-2005 Mazda RX-8 clutch switch applications, this replacement switch supports direct service on the original vehicle setup.

Key Features

  • Standard Ignition NS-529 clutch starter safety switch
  • Black and red plastic housing
  • Female connector with male blade terminals
  • 2-terminal electrical design
  • Direct-fit service part for clutch pedal mounted and clutch switch applications

Detailed Description

The NS-529 is a clutch starter safety switch built for vehicles that require clutch pedal input before starter engagement. Its female connector, male blade terminals, and 2-terminal layout support straightforward electrical connection in the original circuit. This part cross-references Standard Ignition NS-529 for the same application.

Fits 2003-2005 Mazda 6, clutch pedal mounted. Fits 2004-2005 Mazda RX-8, clutch switch. Use this part when servicing a worn or electrically inconsistent clutch start interlock on Mazda 6 or Mazda RX-8 manual-transmission systems.

Common Issues It May Solve

  • Starter does not engage unless the clutch pedal is positioned correctly
  • Intermittent no-crank condition at the clutch start circuit
  • Faulty clutch pedal switch signal to the starting system
  • Electrical wear at the clutch switch connector or terminals
  • Replacement need for a damaged clutch starter safety switch housing

Installation Notes and Tips

Verify connector style, terminal layout, and mounting location before installation. Confirm the switch is positioned at the clutch pedal assembly or clutch switch location specified for the vehicle. After installation, test starter operation with the clutch pedal fully depressed and released to confirm proper circuit function.

Quality Assurance

Standard Ignition supplies electrical service parts for vehicle repair applications, and the NS-529 is built to match the listed connector and terminal configuration for the specified Mazda fitments.

Related reading

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2005Mazda6N/AClutch Pedal Mounted
2005MazdaRX-8N/AClutch Switch
2004Mazda6N/AClutch Pedal Mounted
2004MazdaRX-8N/AClutch Switch
2003Mazda6N/AClutch Pedal Mounted
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — NS-529GJ6A6649YJA4494NS6747S51023