HomeElectrical, Lighting and Body > SwitchesStandard Ignition NS703 Neutral Safety Switch
Part #: NS703

Standard Ignition NS703 Neutral Safety Switch

⚙️ 13 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Lincoln, Continental, MKX, and MKZ
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Overview of Standard Ignition NS703 Neutral Safety Switch

The Standard Ignition NS703 Neutral Safety Switch is designed to ensure safe engine starting by preventing the vehicle from starting in gear. This switch is compatible with select Ford and Lincoln models, including the Continental, Fusion, MKX, and MKZ, providing reliable performance and fitment.

  • Color: Black and gray for easy identification
  • Connector Gender: Female with one connector
  • Terminal Gender: Male with five terminals
  • Material: Durable metal and plastic construction
  • Mounting Type: Secure bolt mount installation
  • Finish: Combination of metal and plastic for durability

Detailed Product Description

The NS703 neutral safety switch from Standard Ignition is engineered with a robust metal and plastic body finished in black and gray tones. It features a female connector with a single connection point and five male terminals, ensuring proper electrical interfacing. The bolt mount design allows for straightforward and secure installation on compatible vehicles. This switch is specifically designed for Ford and Lincoln models such as the Continental, Fusion, MKX, and MKZ, ensuring precise fit and function.

Common Applications and Problem Resolution

This neutral safety switch is essential for preventing the engine from starting unless the transmission is in neutral or park. It addresses several common issues, including:

  • Engine fails to start due to faulty neutral safety switch
  • Intermittent starting problems related to electrical connection
  • Vehicle starts in gear, posing safety risks
  • Transmission shift interlock malfunctions
  • Dashboard warning lights related to starting circuit

Installation Notes and Tips

  • Ensure the vehicle is in park or neutral before installation
  • Disconnect the battery to prevent electrical shorts
  • Use the bolt mount points for secure attachment
  • Verify connector orientation: female connector with one plug and five male terminals
  • Test switch operation before final assembly

Quality Assurance and Warranty

Standard Ignition manufactures the NS703 neutral safety switch to meet or exceed OEM specifications. The combination of metal and plastic materials ensures durability and reliable performance. While specific warranty details may vary, Standard Ignition products typically come with a limited warranty covering defects in materials and workmanship.

BrandStandard Ignition
Part NumberNS703
ColorBlack , Gray
Color/FinishBlack
Connector GenderFemale
FinishMetal, Plastic
MaterialMetal, Plastic
Mounting TypeBolt Mount
Terminal GenderMale

This part fits 13 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2019FordFusionAutomatic2.7LV6N/A
2019LincolnContinentalN/A
2018FordFusionAutomatic2.7LV6N/A
2018LincolnContinentalN/A
2018LincolnMKXN/A5 Term ABS Relay
2017FordFusionAutomatic2.7LV6N/A
2017LincolnContinentalN/A
2017LincolnMKXN/A5 Term ABS Relay
2016LincolnMKXN/A5 Term ABS Relay
2016LincolnMKZ3.7LV6N/A
2015LincolnMKZ3.7LV6N/A
2014LincolnMKZ3.7LV6N/A
2013LincolnMKZ3.7LV6N/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:

9E9Z7H557CCSW600NS7105

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