Standard Ignition NS-120 Clutch Starter Safety Switch

Reliable Clutch Starter Safety Switch for Chevrolet and GMC Vehicles

The Standard Ignition NS-120 clutch starter safety switch is designed to ensure safe engine starting by preventing the vehicle from starting unless the clutch pedal is fully depressed. This switch is compatible with a wide range of Chevrolet and GMC models, including Blazer, C10, K5 Blazer, and Yukon, providing a precise fit and reliable operation.

• Connector Gender: Female for secure electrical connection
• Connector Quantity: 2 connectors for proper wiring integration
• Terminal Gender: Male terminals for reliable contact
• Terminal Quantity: 4 terminals to support multiple circuit connections
• Terminal Type: Blade terminals for easy installation and durability

Product Details and Specifications

The NS-120 clutch starter safety switch features a female connector with two connection points, ensuring compatibility with the vehicle’s wiring harness. It includes four male blade terminals, which provide a stable and corrosion-resistant connection to the electrical system. This design supports the safety function by interrupting the starter circuit unless the clutch pedal is engaged, preventing accidental engine starts. The blade terminal type simplifies installation and maintenance, making it suitable for various Chevrolet and GMC trucks and SUVs.

Compatible Chevrolet and GMC Models

This clutch starter safety switch is compatible with Chevrolet and GMC vehicles such as the Chevrolet Blazer, C10, C1500, K5 Blazer, Jimmy, and Yukon models. It fits multiple series including C10 Suburban, C20, C2500, C3500, K10, K1500, K2500, K3500, R10, R1500, R2500, R3500, S15 Jimmy, V10, V20, V30, V1500, V2500, and V3500. The NS-120 part number ensures you receive the correct replacement part for these specific models.

Common Applications and Problem Resolution

• Prevents engine from starting without clutch engagement
• Eliminates starter motor engagement issues related to faulty switches
• Resolves intermittent starting problems caused by electrical connection failures
• Ensures compliance with vehicle safety starting protocols
• Replaces worn or damaged clutch starter safety switches to restore proper function

Installation Notes and Tips

When installing the Standard Ignition NS-120 clutch starter safety switch, ensure the vehicle’s battery is disconnected to avoid electrical shorts. Verify the female connector and male blade terminals align correctly with the vehicle’s wiring harness. Properly secure the switch to the clutch pedal assembly to maintain accurate engagement detection. Consult the vehicle’s service manual for specific torque specifications and adjustment procedures to ensure optimal performance.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The NS-120 clutch starter safety switch undergoes rigorous quality control testing to ensure consistent operation. This part is backed by Standard Ignition’s limited warranty, covering defects in materials and workmanship under normal use conditions.