Standard Ignition NS-577 Neutral Safety Switch

Brand Standard Ignition NS-577
Color Black, Gray
Connector Gender Female
Connector Shape Rectangular
Finish Cast Iron, Plastic
Material Metal
Mounting Type Bolt Mount
Terminal Gender Male
Terminal Type Pin
Fits Honda and Acura · 52 vehicles

Bolt-mount design. Installs securely with a simple bolt-on attachment method.

12V switch. Built for reliable electrical operation in standard systems.

Compact build. Plastic construction with a rectangular connector and 10-pin terminals.

Cross-references Anchor 8862, Standard Ignition NS-577 and T Series NS577T for the same application. See all 8.

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Neutral Safety Switch for Honda and Acura Applications

Standard Ignition NS-577 is a 12V neutral safety switch built for select Honda and Acura vehicles with automatic transmission starting circuits. It uses a bolt-mount design with a rectangular female connector and 10 male pin terminals for a direct electrical interface.

Fits 2009-2015 Honda Pilot, N/A. Fits 2011-2014 Acura TSX, N/A. Fits 2009-2014 Honda Ridgeline, N/A. Fits 2007-2013 Honda Odyssey, N/A. Fits 2008-2012 Acura RDX, N/A. Fits 2008-2012 Honda Accord, N/A. Fits 2012 Honda Crosstour, N/A. Fits 2007-2011 Acura TL, N/A. Fits 2010-2011 Honda Accord Crosstour, N/A. Fits 2009-2010 Acura RL, N/A. Fits 2007-2009 Acura MDX, N/A.

Key Features

  • Standard Ignition NS-577 neutral safety switch
  • 12V electrical rating for automotive starting circuit use
  • Bolt-mount attachment with 4-inch overall length
  • Rectangular connector with 1 female connector and 10 male pin terminals
  • Black and gray finish with cast iron and plastic construction
  • No wiring included and no gaskets included
  • Cross-references Standard Ignition NS-577 and T Series NS577T for the same application

Product Details

This neutral safety switch is used in the transmission start-inhibit circuit so the engine only cranks in Park or Neutral, depending on vehicle design. Standard Ignition NS-577 is a direct-fit electrical switch for select Honda Pilot, Honda Accord, Honda Odyssey, Acura TSX, Acura TL, and related models listed in the fitment data. The bolt-mount layout, pin-style terminals, and single rectangular connector support a clean replacement on the original mounting point.

Common Issues This Part Can Address

  • Engine will not crank in Park or Neutral
  • Intermittent no-start condition related to the transmission range circuit
  • Starter engagement only in certain shifter positions
  • Transmission selector signal not reaching the starting circuit correctly
  • Faulty neutral safety switch causing inconsistent start operation

Installation Notes and Tips

Verify connector shape, terminal count, and mounting style before installation. This part uses a bolt-mount design and does not include mounting hardware, wiring, or gaskets. Confirm the transmission range adjustment and shifter alignment after installation so the start-inhibit circuit operates correctly.

Quality Assurance

Standard Ignition supplies replacement electrical components for automotive repair applications, and NS-577 is built to match the listed OE-style fitment for the vehicles shown above.

This part fits 52 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelTransmissionLitersCylindersPositionNotes
2015HondaPilot————N/A—
2014AcuraTSX——3.5LV6N/A—
2014HondaPilot————N/A—
2014HondaRidgeline————N/A—
2013AcuraTSX——3.5LV6N/A—
2013HondaOdyssey—Automatic——N/A—
2013HondaPilot————N/A—
2013HondaRidgeline————N/A—
2012AcuraRDX————N/A—
2012AcuraTSX——3.5LV6N/A—
2012HondaAccord——3.5LV6N/A—
2012HondaCrosstour——3.5LV6N/A—
2012HondaOdyssey—Automatic——N/A—
2012HondaPilot——3.5LV6N/A—
2012HondaRidgeline————N/A—
2011AcuraRDX————N/A—
2011AcuraTL————N/A—
2011AcuraTSX——3.5LV6N/A—
2011HondaAccord——3.5LV6N/A—
2011HondaAccord CrosstourEX———N/A—
2011HondaAccord Crosstour————N/A—
2011HondaAccord CrosstourEX-L———N/A—
2011HondaOdyssey—Automatic——N/A—
2011HondaPilot——3.5LV6N/A—
2011HondaRidgeline————N/A—
2010AcuraRDX————N/A—
2010AcuraRL————N/A—
2010AcuraTLBase———N/A—
2010AcuraTLSH-AWD———N/A—
2010HondaAccord——3.5LV6N/A—
2010HondaAccord CrosstourEX———N/A—
2010HondaAccord Crosstour————N/A—
2010HondaAccord CrosstourEX-L———N/A—
2010HondaOdyssey————N/A—
2010HondaPilot——3.5LV6N/A—
2010HondaRidgeline————N/A—
2009AcuraMDX————N/A—
2009AcuraRDX————N/A—
2009AcuraRL————N/A—
2009AcuraTL————N/A—
2009HondaAccord——3.5LV6N/A—
2009HondaOdyssey————N/A—
2009HondaPilot——3.5LV6N/A—
2009HondaRidgeline————N/A—
2008AcuraMDX————N/A—
2008AcuraRDX————N/A—
2008AcuraTL————N/A—
2008HondaAccord——3.5LV6N/A—
2008HondaOdyssey————N/A—
2007AcuraMDX————N/A—
2007AcuraTL————N/A—
2007HondaOdyssey————N/A—
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 8862Standard Ignition — NS-577T Series — NS577T28900RYF013NS6917NS6917SBS51122SW7598