HomeStandard Ignition NS-171 Neutral Safety Switch
Part #: NS-171

Standard Ignition NS-171 Neutral Safety Switch

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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Nissan, Stanza
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Reliable Neutral Safety Switch for Automotive Electrical Systems

The Standard Ignition NS-171 Neutral Safety Switch is designed to ensure safe engine starting by preventing the vehicle from starting in gear. Engineered with durable metal construction and precise bolt mount attachment, this switch is a dependable component for your vehicle's electrical system.

  • 10 male blade terminals for secure electrical connections
  • Two female rectangular connectors for easy integration
  • Durable aluminum and plastic finish in black and silver
  • Compact size with 3.1875 inches (80.96 mm) length
  • 12-volt voltage rating suitable for most automotive applications
  • 12.5-inch (317.5 mm) wiring harness length for flexible installation
  • Bolt mount attachment method for stable and secure fitting

Detailed Product Description and Specifications

The Standard Ignition NS-171 Neutral Safety Switch features a robust metal body with an aluminum and plastic finish, combining durability with corrosion resistance. It includes 10 male blade terminals and two female rectangular connectors, facilitating reliable electrical connections within the vehicle's starting circuit. The switch measures approximately 3.19 inches in length, making it compact enough for various engine bay configurations. Its 12.5-inch wiring harness provides sufficient length for straightforward installation without the need for additional extensions. Designed for 12-volt systems, this switch is compatible with many vehicles requiring a neutral safety switch to prevent accidental engine starts in gear.

Common Applications and Problem Resolution

  • Prevents engine from starting when transmission is in gear
  • Eliminates no-start conditions caused by faulty neutral safety switches
  • Resolves intermittent starting issues related to electrical connection failures
  • Ensures compliance with safety standards in automatic transmission vehicles
  • Replaces worn or damaged neutral safety switches to restore proper function

Installation Notes and Tips

  • Ensure the vehicle is in park or neutral before installation
  • Use appropriate tools to remove the old switch and install the NS-171 securely via bolt mount
  • Verify all blade terminals and connectors are properly seated to avoid electrical faults
  • Check wiring harness length and routing to prevent interference with moving parts
  • Test the switch operation before completing reassembly

Quality Assurance and Warranty Information

Standard Ignition manufactures the NS-171 Neutral Safety Switch to meet or exceed OEM specifications, ensuring reliable performance and durability. While mounting hardware and gaskets are not included, the switch is built with quality materials such as metal, aluminum, and plastic finishes to withstand automotive environments. Please consult vehicle-specific fitment guides to confirm compatibility. Warranty coverage details should be verified with the product documentation or supplier.

BrandStandard Ignition
Part NumberNS-171
ColorBlack, Silver
Connector GenderFemale
FinishAluminum, Plastic
Terminal GenderMale
Terminal TypeBlade Terminals

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* 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:

18-14511S54883191827X6153-3166988923366JA4075NS5632S26139

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