Standard Ignition NS-109 Neutral Safety Switch

Neutral Safety Switch for Honda Civic

Standard Ignition NS-109 is a neutral safety switch built for 1997-2000 Honda Civic applications. It uses a bolt-mount design with a single rectangular female connector and 13 blade terminals for a direct electrical interface on the transmission side.

For Honda Civic owners searching for a neutral safety switch replacement, NS-109 provides the correct 12V electrical configuration and harness layout for the listed vehicles. This part number is also referenced in interchange listings for related aftermarket applications.

Key Features

• Fits 1997-2000 Honda Civic
• Standard Ignition NS-109 neutral safety switch
• Bolt-mount attachment method
• 13 terminal blade-style electrical connection
• Single rectangular female connector
• 12V electrical rating
• Plastic housing with gray and white finish
• Wiring harness length: 9.25 in. (234.95 mm)

Detailed Description

The Standard Ignition NS-109 is a transmission-mounted neutral safety switch for 1997-2000 Honda Civic models. It is built with a plastic body, male blade terminals, and one rectangular female connector to match the listed electrical layout. At 2.75 in. long, this switch is sized for the specified application and uses a bolt-on mounting method for secure installation.

This part cross-references Rostra Powertrain Controls 67-0097 for the same application. If you are replacing a worn or intermittent Honda Civic neutral safety switch, NS-109 is the direct part number to verify against your vehicle’s original connector and terminal count.

Common Problems This Part Can Address

• Engine will not crank in Park or Neutral
• Intermittent starting caused by a faulty neutral safety switch
• Incorrect transmission range signal to the starting circuit
• Electrical connection issues at the switch connector
• Wear-related failure in the original Honda Civic switch assembly

Installation Notes and Tips

Confirm the connector shape, terminal count, and bolt-mount style before installation. Compare the original switch to NS-109 to verify the 13-terminal layout and harness length match your vehicle. Because mounting hardware and gaskets are not listed, reuse or source any required related components separately as needed.

Fits 1997-2000 Honda Civic, N/A. Verify the transmission range and connector configuration during replacement to ensure proper starting circuit operation.

Quality Assurance

Standard Ignition supplies this neutral safety switch as an OE-style electrical replacement for the listed Honda Civic applications. The NS-109 part number is supported by interchange references and built to match the specified connector and terminal configuration.