HomeElectrical, Lighting and Body > SwitchesStandard Ignition NS-627 Neutral Safety Switch
Part #: NS-627

Standard Ignition NS-627 Neutral Safety Switch

⚙️ 77 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Lincoln, and Mercury, Escape, Edge, Fusion, Taurus, MKT, Explorer, Transit Connect, MKZ, Mariner, and Milan
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Reliable Neutral Safety Switch for Ford, Lincoln, and Mercury Vehicles

The Standard Ignition NS-627 Neutral Safety Switch is designed to ensure safe and accurate transmission operation in select Ford, Lincoln, and Mercury models. This bolt-mount switch features a female connector and three male terminals, providing a secure and reliable electrical connection for your vehicle's neutral safety system.

  • Connector Gender: Female for secure plug-in connection
  • Connector Quantity: 1 connector for streamlined installation
  • Mounting Type: Bolt mount for stable and precise placement
  • Terminal Gender: Male terminals for reliable electrical contact
  • Terminal Quantity: 3 terminals supporting proper circuit function

Product Details and Compatibility

The NS-627 neutral safety switch from Standard Ignition is engineered to meet OEM specifications, ensuring compatibility and performance in a range of Ford, Lincoln, and Mercury vehicles. This part is compatible with models including the Ford EcoSport, Edge, Escape, Explorer, Fusion, and Transit Connect, as well as the Lincoln Mariner, MKZ, Milan, MKT, and the Mercury Milan and Taurus. The switch’s bolt-mount design allows for straightforward installation and secure attachment to the transmission housing.

Function and Common Applications

This neutral safety switch prevents the engine from starting unless the transmission is in neutral or park, enhancing vehicle safety and preventing accidental starts. It also plays a role in the proper operation of the reverse lights and transmission control systems.

  • Prevents engine start in gear to avoid unintended vehicle movement
  • Ensures correct operation of reverse lights
  • Supports transmission control system signals
  • Helps resolve intermittent starting issues related to faulty switch
  • Addresses problems with reverse light malfunction

Installation Notes and Tips

Installation of the NS-627 neutral safety switch requires basic mechanical skills and tools. Ensure the vehicle is safely supported and the battery is disconnected before beginning. The bolt-mount design allows for direct replacement without modification. Verify connector orientation and terminal alignment to avoid electrical issues. After installation, test the switch function by confirming the engine only starts in park or neutral and that reverse lights operate correctly.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The NS-627 neutral safety switch undergoes rigorous quality control to ensure proper fit and function. Warranty coverage details can be obtained from the product documentation or Standard Ignition’s official resources.

BrandStandard Ignition
Part NumberNS-627
Connector GenderFemale
Mounting TypeBolt Mount
Terminal GenderMale

This part fits 77 vehicles. Search below:

YearMakeModelSubmodelTransmissionLitersCylindersFuel TypePositionNotes
2022FordEcoSport2.0LL4N/A
2021FordEcoSport1.0LL3N/A
2021FordTransit ConnectN/A
2020FordEcoSport1.0LL3N/A
2020FordFusionAutomatic2.5LL4N/A
2020FordTransit ConnectN/A
2019FordEcoSport1.0LL3N/A
2019FordEscapeAutomaticN/A
2019FordExplorer2.3LL4N/A
2019FordFusionAutomatic2.5LL4N/A
2019FordTaurus3.5LV6N/A
2019FordTransit ConnectN/A
2019LincolnMKT3.5LV6N/A
2018FordEcoSport1.0LL3N/A
2018FordEdge2.0LL4N/A
2018FordEscapeAutomaticN/A
2018FordExplorer2.3LL4N/A
2018FordFusionAutomaticN/A
2018FordTaurus3.5LV6N/A
2018FordTransit ConnectN/A
2018LincolnMKT3.5LV6N/A
2017FordEdge2.0LL4N/A
2017FordEscapeAutomaticN/A
2017FordExplorer2.3LL4N/A
2017FordFusionAutomaticN/A
2017FordTaurus2.0LL4N/A
2017FordTransit ConnectN/A
2017LincolnMKT3.5LV6N/A
2016FordEdge2.0LL4N/A
2016FordEscapeAutomaticN/A
2016FordExplorer2.3LL4N/A
2016FordFusionAutomaticN/A
2016FordTaurus2.0LL4N/A
2016FordTransit ConnectN/A
2016LincolnMKT2.0LL4N/A
2015FordEdge2.0LL4N/A
2015FordEscapeAutomaticN/A
2015FordExplorer2.0LL4N/A
2015FordFusionAutomaticN/A
2015FordTaurus2.0LL4N/A
2015FordTransit ConnectN/A
2015LincolnMKT2.0LL4N/A
2014FordEdge2.0LL4N/A
2014FordEscapeN/A
2014FordExplorer2.0LL4N/A
2014FordFusionAutomaticN/A
2014FordTaurusN/A
2014FordTransit ConnectN/A
2014LincolnMKT2.0LL4N/A
2013FordEdge2.0LL4N/A
2013FordEscapeN/A
2013FordExplorer2.0LL4N/A
2013FordFusionAutomaticN/A
2013FordTaurusN/A
2013LincolnMKT2.0LL4N/A
2012FordEdge2.0LL4N/A
2012FordEscapeN/A
2012FordExplorer2.0LL4N/A
2012FordFusionN/A
2012LincolnMKZN/A
2011FordEscapeN/A
2011FordFusionAutomaticN/A
2011LincolnMKZN/A
2011MercuryMarinerBase2.5LL4N/A
2011MercuryMarinerBase3.0LV6N/A
2011MercuryMarinerPremier3.0LV6N/A
2011MercuryMilanBaseN/A
2011MercuryMilanHybridN/A
2011MercuryMilanPremier2.5LL4N/A
2011MercuryMilanPremier3.0LV6N/A
2010FordEscapeGASN/A
2010FordFusionAutomaticN/A
2010LincolnMKTAutomatic3.5LV6N/A
2010MercuryMarinerGASN/A
2010MercuryMilanGASN/A
2009FordEscapeGASN/A
2009MercuryMarinerGASN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

5S133939L8Z7H557ACSW524NS7029NSSB10002

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.