HomeElectrical, Lighting and Body > SwitchesStandard Ignition NS-277 Neutral Safety Switch
Part #: NS-277

Standard Ignition NS-277 Neutral Safety Switch

⚙️ 5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Honda, Civic
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Reliable Neutral Safety Switch for Honda Civic

The Standard Ignition NS-277 Neutral Safety Switch is designed specifically for Honda Civic models, ensuring precise electrical performance and safety. This switch features a durable metal construction with aluminum and plastic finishes, built to withstand regular use in your vehicle's electrical system.

  • Compatible with Honda Civic models
  • 12V voltage rating for standard automotive electrical systems
  • Bolt mount attachment method for secure installation
  • 10 male blade terminals with one female rectangular connector
  • Compact size with 4-inch (101.6 mm) length
  • Black and silver color finish for corrosion resistance

Product Details and Specifications

The NS-277 neutral safety switch from Standard Ignition is engineered with a metal body combining aluminum and plastic materials to provide durability and reliable electrical conductivity. It features 10 male blade terminals and a single female rectangular connector, designed to integrate seamlessly with the Honda Civic's wiring harness. The bolt mount attachment method ensures a stable and secure fitment, minimizing the risk of electrical faults caused by loose connections. Measuring 4 inches in length, this switch fits precisely in the designated mounting location without modification.

Purpose and Common Applications

  • Prevents engine start unless the transmission is in neutral or park
  • Ensures safety by disabling starter motor in unsafe gear positions
  • Resolves issues with intermittent starting or no-start conditions
  • Replaces faulty or worn neutral safety switches in Honda Civic vehicles
  • Helps maintain proper electrical signaling for transmission safety systems

Installation Notes and Tips

Installation of the Standard Ignition NS-277 neutral safety switch requires basic automotive electrical knowledge. The bolt mount design allows for straightforward replacement using standard hand tools. Ensure the vehicle is turned off and the battery is disconnected before beginning installation. Verify the connector orientation matches the rectangular female connector on the vehicle harness. Double-check terminal connections to avoid miswiring, which can cause starting issues or electrical damage.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance for your Honda Civic. While mounting hardware and gaskets are not included with this part, the robust construction and precise fitment contribute to long service life. Please consult the product documentation or manufacturer for warranty details applicable to the NS-277 neutral safety switch.

BrandStandard Ignition
Part NumberNS-277
ColorBlack, Silver
Connector GenderFemale
FinishAluminum, Plastic
Terminal GenderMale
Terminal TypeBlade

This part fits 5 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2005HondaCivicAutomatic1.7LL4N/A
2004HondaCivicAutomatic1.7LL4N/A
2003HondaCivicAutomatic1.7LL4N/A
2002HondaCivicAutomatic1.7LL4N/A
2001HondaCivicAutomaticN/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:

18-08891S578128900PLX00353-3180689057463JA4408NS38012NS653NS6792

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