Standard Ignition NS-277 Neutral Safety Switch

Neutral Safety Switch for Honda Civic

Standard Ignition NS-277 is a 12V neutral safety switch for select 2001-2005 Honda Civic applications. It uses a bolt-mount design with a single rectangular female connector and 10 male blade terminals for a direct electrical interface.

Key Features

• Fits 2001-2005 Honda Civic
• Neutral safety switch for automatic transmission starting circuit control
• 12V electrical rating
• Bolt-mount attachment method
• 1 rectangular female connector
• 10 male blade terminals
• Black and silver finish with metal construction
• Standard Ignition NS-277 replacement part

Product Details

Standard Ignition NS-277 is built for Honda Civic models from 2001 through 2005 and is used in the vehicle’s starting interlock system. The switch helps confirm the transmission is in Park or Neutral before the starter circuit is allowed to engage. Its metal body, aluminum and plastic finish, and blade-terminal layout support a factory-style electrical connection. This part cross-references 28900PLX003 and JA4408 for the same application.

Common Issues This Part May Address

• Engine will not crank in Park or Neutral
• Intermittent no-start condition related to the shift position circuit
• Starter engagement only in certain gear positions
• Transmission range signal concerns tied to the neutral safety circuit

Installation Notes

Verify connector style, terminal count, and bolt-mount location before installation. Transfer the existing mounting hardware if needed, since hardware is not included. Confirm proper adjustment after installation so the switch aligns with the transmission selector position on the Honda Civic.

Quality Assurance

Standard Ignition replacement electrical components are built to match OE-style fitment and function for the listed application. Confirm vehicle year and transmission configuration against the fitment data before ordering.