HomeElectrical, Lighting and Body > SwitchesStandard Ignition NS-581 Back Up Light Switch
Part #: NS-581

Standard Ignition NS-581 Back Up Light Switch

⚙️ 3 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: Ford, Mustang
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Reliable Back Up Light Switch for Ford Mustang

The Standard Ignition NS-581 Back Up Light Switch is designed specifically for Ford Mustang models, providing dependable electrical performance. This switch ensures your vehicle's backup lights operate correctly, enhancing safety during reversing maneuvers.

Key Features of the Standard Ignition NS-581

  • Color: Black housing for durability and easy identification
  • Connector Gender: Female connector for secure wiring connections
  • Connector Quantity: Single connector for streamlined installation
  • Finish: Combination of aluminum and plastic materials for corrosion resistance and strength
  • Terminal Gender: Male terminals designed for reliable electrical contact
  • Terminal Quantity: Two terminals to support proper circuit function
  • Terminal Type: Bullet terminals for straightforward connection and disconnection

Detailed Product Description

The Standard Ignition NS-581 Back Up Light Switch is engineered with a black plastic and aluminum finish that balances durability with corrosion resistance. Featuring a female connector and two male bullet terminals, this switch is built to maintain consistent electrical flow to the backup lights on Ford Mustang vehicles. The single connector design simplifies wiring, while the bullet terminal type allows for easy installation and maintenance. This part is manufactured to meet OEM specifications, ensuring compatibility and reliable operation within the vehicle's electrical system.

Common Applications and Issues Addressed

  • Restores backup light functionality on Ford Mustang models
  • Resolves intermittent or non-functioning reverse lights
  • Eliminates electrical connection failures due to worn or damaged terminals
  • Prevents corrosion-related switch malfunctions
  • Supports safe vehicle operation during reversing by ensuring backup lights activate properly

Installation Notes and Tips

  • Verify vehicle compatibility with Ford Mustang models before installation
  • Disconnect the battery to prevent electrical shorts during replacement
  • Ensure connectors and terminals are clean and free of corrosion before connecting
  • Use appropriate tools to avoid damaging bullet terminals during installation
  • Test backup lights after installation to confirm proper operation

Quality Assurance and Warranty Information

Standard Ignition parts, including the NS-581 Back Up Light Switch, are manufactured to meet or exceed OEM standards for fit, form, and function. This product undergoes rigorous quality control to ensure reliable performance. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary.

BrandStandard Ignition
Part NumberNS-581
ColorBlack
Connector GenderFemale
FinishAluminum, Plastic
Terminal GenderMale
Terminal TypeBullet

This part fits 3 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2009FordMustangManualN/A
2008FordMustangManualN/A
2007FordMustangManualN/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:

1R3Z15520AA1S529453-11644F4050NS6925S51134SW5857

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