Standard Ignition NS-352 Neutral Safety Switch

Brand Standard Ignition NS-352
Connector Gender Female
Terminal Gender Male
Terminal Type Blade
Fits Ford and Lincoln · 17 vehicles

Copper alloy conductors. Deliver superior electrical conductivity with low resistive losses.

100% tested. Verifies both mechanical and electrical switching performance.

Blade terminal design. Features one female connector and 11 male blade terminals.

Cross-references 1S8993, 5W4Z7F293AA and 53-31943 for the same application. See all 7.

$90.81Free shipping
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Neutral Safety Switch for Ford and Lincoln

The Standard Ignition NS-352 neutral safety switch is built for direct-fit service on select Ford and Lincoln vehicles. It uses copper alloy conductors for strong electrical conductivity and low resistance, with 100% testing for mechanical and electrical switching performance.

Key Features

  • Neutral safety switch for automatic transmission starting circuit control
  • Female connector with 1 connector interface
  • 11 male blade terminals for secure electrical connection
  • Robust construction with high-grade materials for service use
  • Copper alloy conductors for efficient current flow
  • 100% tested for switching performance before release

Detailed Description

Standard Ignition NS-352 is a replacement neutral safety switch for 2005-2010 Ford Mustang, 2000-2006 Lincoln LS, and 2002-2005 Ford Thunderbird applications. It is engineered to restore proper park/neutral start-circuit operation and reliable transmission range signaling where the original switch has worn, failed, or become inconsistent. The NS-352 part number is also referenced in service catalogs for these applications, making it a practical OE-style replacement choice for Ford Mustang, Lincoln LS, and Thunderbird repairs.

This part cross-references 1S8993 and 5W4Z7F293AA for the same application.

Common Issues It May Solve

  • Engine will not crank in Park or Neutral
  • Intermittent no-start condition related to the shift position circuit
  • Reverse or range signal concerns tied to the transmission switch
  • Inconsistent starting after shifting into Park
  • Electrical switching faults caused by a worn neutral safety switch

Installation Notes and Tips

Verify connector style, terminal count, and transmission application before installation. Confirm the shifter is in the correct position and follow the vehicle service procedure for alignment and adjustment after replacement. On Ford Mustang, Lincoln LS, and Thunderbird models, proper switch indexing is important for accurate park/neutral operation.

Quality Assurance

Standard Ignition backs this switch with a design focused on technician needs, using durable materials and tested electrical performance for dependable service.

This part fits 17 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
2010FordMustangAutomaticN/A—
2009FordMustangAutomaticN/A—
2008FordMustangAutomaticN/A—
2007FordMustangAutomaticN/A—
2006FordMustangAutomaticN/A—
2006LincolnLSAutomaticN/A—
2005FordMustangAutomaticN/A—
2005FordThunderbird—N/A—
2005LincolnLSAutomaticN/A—
2004FordThunderbird—N/A—
2004LincolnLSAutomaticN/A—
2003FordThunderbird—N/A—
2003LincolnLSAutomaticN/A—
2002FordThunderbird—N/A—
2002LincolnLSAutomaticN/A—
2001LincolnLSAutomaticN/A—
2000LincolnLSAutomaticN/A—
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1S89935W4Z7F293AA53-31943NS6874NS38092NSSB10001SW6253