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Standard Ignition NS-112 Neutral Safety Switch
| Brand | Standard Ignition NS-112 |
|---|---|
| Color | White |
| Connector Gender | Female |
| Finish | Plastic |
| Terminal Gender | Male |
| Terminal Type | Blade Terminals |
| Fits | Acura and Honda · 24 vehicles |
Bolt mount design. Installs securely with a single rectangular connector.
13 blade terminals. Provides a direct electrical interface for the switch.
Plastic construction. Lightweight housing with a clean white finish.
Cross-references Standard Ignition NS-112, 1S5424 and 18-1503 for the same application. See all 10.
Neutral Safety Switch for Acura and Honda
Standard Ignition NS-112 is a 12V neutral safety switch built for select Acura Integra and Honda Civic applications. It uses a bolt-mount design with a rectangular female connector and 13 blade terminals for direct transmission-range signal control.
Fits 1994-2001 Acura Integra, N/A. Fits 1992-1997 Honda Civic, N/A. Fits 1993-1997 Honda Civic del Sol, N/A.
Key Features
- Neutral safety switch for automatic transmission start-inhibit and range signaling
- 12V electrical design
- Bolt-mount attachment method
- 13 terminal blade-style layout with one rectangular female connector
- Plastic housing with white face color
- Wiring harness length: 8.875 in. (225.425 mm)
- Standard Ignition NS-112 part number for catalog lookup and replacement matching
Detailed Description
Standard Ignition NS-112 is a replacement neutral safety switch for vehicles that require accurate transmission position input before the starter circuit is enabled. The plastic-bodied switch features a 13-terminal male blade interface, a single rectangular female connector, and bolt-mount installation points for a secure fit at the transmission. This part number is commonly searched for Acura Integra neutral safety switch replacement and Honda Civic neutral safety switch replacement, including Honda Civic del Sol applications. This part cross-references 1S5424 and NS217 for the same application.
Common Issues It Can Address
- Engine will not crank in Park or Neutral
- Starter engages in the wrong gear position
- Intermittent no-start caused by range switch signal loss
- Transmission gear-position signal problems to the starting circuit
- Reverse or park/neutral indication faults tied to the switch assembly
Installation Notes and Tips
Verify connector shape, terminal count, and bolt-mount location before installation. Inspect the harness connector for corrosion, bent terminals, or damaged locking tabs, and confirm the transmission is in the correct adjustment position during replacement. Because mounting hardware and gaskets are not listed, reuse or source any required related components separately as needed. Confirm fitment by year, make, and model before ordering NS-112.
Quality Assurance
Standard Ignition supplies electrical replacement parts for service applications, and NS-112 is cataloged with defined terminal, connector, and mounting specifications to support accurate part matching. Use the listed fitment and connector details to confirm the correct replacement for Acura Integra, Honda Civic, and Honda Civic del Sol vehicles.
| Year | Make | Model | Submodel | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2001 | Acura | Integra | — | Automatic | — | — | N/A | — |
| 2000 | Acura | Integra | — | Automatic | — | — | N/A | — |
| 1999 | Acura | Integra | — | Automatic | — | — | N/A | — |
| 1998 | Acura | Integra | — | — | — | — | N/A | — |
| 1997 | Acura | Integra | — | — | — | — | N/A | — |
| 1997 | Honda | Civic | CX | Automatic | 1.6L | L4 | N/A | — |
| 1997 | Honda | Civic | DX | Automatic | 1.6L | L4 | N/A | — |
| 1997 | Honda | Civic | LX | Automatic | 1.6L | L4 | N/A | — |
| 1997 | Honda | Civic del Sol | — | — | — | — | N/A | — |
| 1996 | Acura | Integra | — | — | — | — | N/A | — |
| 1996 | Honda | Civic | CX | Automatic | — | — | N/A | — |
| 1996 | Honda | Civic | DX | Automatic | — | — | N/A | — |
| 1996 | Honda | Civic | EX | Automatic | — | — | N/A | — |
| 1996 | Honda | Civic | LX | Automatic | — | — | N/A | — |
| 1996 | Honda | Civic del Sol | — | Automatic | — | — | N/A | — |
| 1995 | Acura | Integra | — | — | — | — | N/A | — |
| 1995 | Honda | Civic | — | Automatic | — | — | N/A | — |
| 1995 | Honda | Civic del Sol | — | Automatic | — | — | N/A | — |
| 1994 | Acura | Integra | — | — | — | — | N/A | — |
| 1994 | Honda | Civic | — | Automatic | — | — | N/A | — |
| 1994 | Honda | Civic del Sol | — | Automatic | — | — | N/A | — |
| 1993 | Honda | Civic | — | Automatic | — | — | N/A | — |
| 1993 | Honda | Civic del Sol | — | Automatic | — | — | N/A | — |
| 1992 | Honda | Civic | — | Automatic | — | — | N/A | — |
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