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Standard Ignition NS-635 Neutral Safety Switch
| Brand | Standard Ignition NS-635 |
|---|---|
| Color | Black, Gray |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Finish | Cast Iron, Plastic |
| Material | Metal |
| Mounting Type | Bolt Mount |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Fits | Buick, Chevrolet, Pontiac, and Saturn · 88 vehicles |
OE-spec direct replacement. Restores neutral safety function with proper fit, form, and function.
Copper alloy conductors. Deliver strong conductivity with low resistive losses.
Bolt-mount design. Uses a single rectangular female connector with six blade terminals.
Cross-references 1S12276, 19369217 and CSW532 for the same application. See all 5.
Neutral Safety Switch for GM Applications
Standard Ignition NS-635 is a direct-fit neutral safety switch for select GM vehicles, including Buick Lucerne, Chevrolet Impala, and Pontiac Grand Prix applications. It restores neutral safety function with OE-spec fit, form, and electrical performance for service work that demands accurate replacement parts.
Key Features
- Direct-fit replacement neutral safety switch
- OE-spec design for proper fit, form, and function
- Copper alloy conductors for strong electrical conductivity and low resistive loss
- Electrically operated switch construction
- Black and gray housing with metal body, cast iron and plastic finish details
- Female connector with rectangular shape, 1 connector, 6 male blade terminals
- Bolt-mount installation style
Detailed Description
Standard Ignition NS-635 is built to replace damaged original equipment neutral safety switches and restore the vehicle’s ability to recognize Park and Neutral positions correctly. This matters for starting-system operation and overall road safety. The switch is engineered to OE specifications and uses copper alloy conductors to support reliable electrical transfer in demanding service environments. This part cross-references 1S12276 and 19369217 for the same application. Compatible With 2000-2011 Chevrolet Impala, 2004-2008 Pontiac Grand Prix, and 2009-2011 Buick Lucerne applications where the listed transmission configuration matches.
What It Helps Fix
- Engine cranks only in certain gear positions
- No-start condition related to Park or Neutral switch failure
- Intermittent starter engagement
- Transmission range signal issues tied to the neutral safety circuit
- Worn, damaged, or electrically inconsistent OE switch operation
Installation Notes and Tips
Verify connector style, terminal count, and mounting type before installation. This NS-635 uses a female rectangular connector with 6 male blade terminals and bolt-mount attachment, so matching the original configuration is important for proper installation. Confirm vehicle-specific transmission details and application notes, including the 2006-2008 Buick Lucerne listing with a 20-bolt transmission pan.
Quality Assurance
Standard Ignition builds this neutral safety switch to OE specification using robust materials and service-grade construction for consistent fit and function.
| Year | Make | Model | Submodel | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2011 | Buick | Lucerne | CXL | — | — | — | — | N/A | — |
| 2011 | Buick | Lucerne | CX | — | — | — | — | N/A | — |
| 2011 | Chevrolet | Impala | — | — | — | — | — | N/A | — |
| 2010 | Buick | Lucerne | — | — | — | — | — | N/A | — |
| 2010 | Chevrolet | Impala | — | — | 3.5L | V6 | FLEX | N/A | — |
| 2010 | Chevrolet | Impala | — | — | 3.5L | V6 | GAS | N/A | — |
| 2010 | Chevrolet | Impala | — | — | 3.9L | V6 | — | N/A | — |
| 2009 | Buick | Allure | — | Automatic | — | — | — | N/A | — |
| 2009 | Buick | LaCrosse | — | — | — | — | — | N/A | — |
| 2009 | Buick | Lucerne | — | — | — | — | — | N/A | — |
| 2009 | Chevrolet | Impala | — | — | — | — | — | N/A | — |
| 2009 | Chevrolet | Uplander | — | — | 3.9L | V6 | — | N/A | — |
| 2009 | Pontiac | G6 | — | — | 3.9L | V6 | — | N/A | — |
| 2009 | Pontiac | Montana | — | — | — | — | — | N/A | — |
| 2008 | Buick | Allure | — | Automatic | — | — | — | N/A | — |
| 2008 | Buick | LaCrosse | — | — | — | — | — | N/A | — |
| 2008 | Buick | Lucerne | — | — | — | — | — | N/A | w/ 20 Bolt Transmission Pan |
| 2008 | Chevrolet | Impala | — | — | — | — | — | N/A | — |
| 2008 | Chevrolet | Uplander | — | — | — | — | — | N/A | — |
| 2008 | Pontiac | Grand Prix | — | — | 3.8L | V6 | — | N/A | — |
| 2008 | Pontiac | Grand Prix | GXP | — | 5.3L | V8 | — | N/A | — |
| 2008 | Pontiac | Montana | — | — | — | — | — | N/A | — |
| 2007 | Buick | Allure | — | Automatic | — | — | — | N/A | — |
| 2007 | Buick | LaCrosse | — | — | — | — | — | N/A | — |
| 2007 | Buick | Lucerne | — | — | — | — | — | N/A | w/ 20 Bolt Transmission Pan |
| 2007 | Buick | Rendezvous | — | — | — | — | — | N/A | — |
| 2007 | Buick | Terraza | — | — | — | — | — | N/A | — |
| 2007 | Chevrolet | Impala | — | — | — | — | — | N/A | — |
| 2007 | Chevrolet | Monte Carlo | — | — | — | — | — | N/A | — |
| 2007 | Chevrolet | Uplander | — | — | — | — | — | N/A | — |
| 2007 | Pontiac | Grand Prix | — | — | 3.8L | V6 | — | N/A | — |
| 2007 | Pontiac | Grand Prix | — | — | 5.3L | V8 | — | N/A | — |
| 2007 | Pontiac | Montana | — | — | — | — | — | N/A | — |
| 2007 | Saturn | Relay | — | — | — | — | — | N/A | — |
| 2006 | Buick | Allure | — | Automatic | — | — | — | N/A | — |
| 2006 | Buick | LaCrosse | — | — | — | — | — | N/A | — |
| 2006 | Buick | Lucerne | — | — | — | — | — | N/A | w/ 20 Bolt Transmission Pan |
| 2006 | Buick | Rendezvous | — | — | — | — | — | N/A | — |
| 2006 | Buick | Terraza | — | — | — | — | — | N/A | — |
| 2006 | Chevrolet | Impala | — | — | — | — | — | N/A | — |
| 2006 | Chevrolet | Monte Carlo | — | — | — | — | — | N/A | — |
| 2006 | Chevrolet | Uplander | — | — | — | — | — | N/A | — |
| 2006 | Pontiac | Grand Prix | — | — | 3.8L | V6 | — | N/A | — |
| 2006 | Pontiac | Grand Prix | — | — | 5.3L | V8 | — | N/A | — |
| 2006 | Pontiac | Montana | — | — | — | — | — | N/A | — |
| 2006 | Saturn | Relay | — | — | — | — | — | N/A | — |
| 2005 | Buick | Allure | — | Automatic | — | — | — | N/A | — |
| 2005 | Buick | Century | — | — | — | — | — | N/A | — |
| 2005 | Buick | LaCrosse | — | — | — | — | — | N/A | — |
| 2005 | Buick | LeSabre | — | — | 3.8L | V6 | — | N/A | — |
| 2005 | Buick | Park Avenue | — | — | — | — | — | N/A | — |
| 2005 | Buick | Rendezvous | — | — | — | — | — | N/A | — |
| 2005 | Buick | Terraza | — | — | — | — | — | N/A | — |
| 2005 | Chevrolet | Impala | — | — | 3.8L | V6 | — | N/A | — |
| 2005 | Chevrolet | Impala | — | — | 3.4L | V6 | — | N/A | — |
| 2005 | Chevrolet | Monte Carlo | — | — | — | — | — | N/A | — |
| 2005 | Chevrolet | Uplander | — | — | — | — | — | N/A | — |
| 2005 | Pontiac | Aztek | — | — | 3.4L | V6 | — | N/A | — |
| 2005 | Pontiac | Grand Prix | — | — | 5.3L | V8 | — | N/A | — |
| 2005 | Pontiac | Grand Prix | — | — | 3.8L | V6 | — | N/A | — |
| 2005 | Pontiac | Montana | — | — | — | — | — | N/A | — |
| 2005 | Saturn | Relay | — | — | — | — | — | N/A | — |
| 2004 | Buick | Century | — | — | — | — | — | N/A | — |
| 2004 | Buick | LeSabre | — | — | 3.8L | V6 | — | N/A | — |
| 2004 | Buick | Park Avenue | — | — | — | — | — | N/A | — |
| 2004 | Buick | Regal | — | — | — | — | — | N/A | — |
| 2004 | Buick | Rendezvous | — | — | — | — | — | N/A | — |
| 2004 | Chevrolet | Impala | — | — | — | — | — | N/A | — |
| 2004 | Chevrolet | Monte Carlo | — | — | — | — | — | N/A | — |
| 2004 | Pontiac | Aztek | — | — | 3.4L | V6 | — | N/A | — |
| 2004 | Pontiac | Grand Prix | — | — | — | — | — | N/A | — |
| 2003 | Buick | LeSabre | — | — | 3.8L | V6 | — | N/A | — |
| 2003 | Buick | Park Avenue | — | — | — | — | — | N/A | — |
| 2003 | Buick | Rendezvous | — | — | — | — | — | N/A | — |
| 2003 | Chevrolet | Impala | — | — | — | — | — | N/A | — |
| 2003 | Chevrolet | Monte Carlo | LS | — | 3.4L | V6 | — | N/A | — |
| 2003 | Chevrolet | Monte Carlo | SS | — | 3.8L | V6 | — | N/A | — |
| 2003 | Pontiac | Aztek | — | — | 3.4L | V6 | — | N/A | — |
| 2002 | Buick | LeSabre | — | — | 3.8L | V6 | — | N/A | — |
| 2002 | Buick | Park Avenue | — | — | — | — | — | N/A | — |
| 2002 | Chevrolet | Impala | — | — | 3.4L | V6 | — | N/A | — |
| 2002 | Chevrolet | Impala | — | — | 3.8L | V6 | — | N/A | — |
| 2002 | Chevrolet | Monte Carlo | LS | — | 3.4L | V6 | — | N/A | — |
| 2002 | Chevrolet | Monte Carlo | SS | — | 3.8L | V6 | — | N/A | — |
| 2001 | Buick | LeSabre | — | — | 3.8L | V6 | — | N/A | — |
| 2001 | Chevrolet | Impala | — | — | 3.4L | V6 | — | N/A | — |
| 2000 | Buick | LeSabre | — | — | 3.8L | V6 | — | N/A | — |
| 2000 | Chevrolet | Impala | — | — | 3.4L | V6 | — | N/A | — |
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