HomeStandard Ignition NS-551 Back Up Light Switch
Part #: NS-551

Standard Ignition NS-551 Back Up Light Switch

11 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, CTS
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Reliable Back Up Light Switch for Cadillac CTS

The Standard Ignition NS-551 Back Up Light Switch is designed specifically for Cadillac CTS models, ensuring precise fitment and dependable operation. This switch plays a critical role in activating your vehicle's reverse lights, enhancing safety during reversing maneuvers.

Key Features of Standard Ignition NS-551 Back Up Light Switch

  • Color: Black for discreet installation
  • Connector Gender: Female with one connector for secure electrical connection
  • Terminal Gender: Female with two bullet-type terminals for reliable contact
  • Finish: Durable dichromate coating combined with plastic components for corrosion resistance
  • Compatible with Cadillac CTS models requiring this specific switch

Detailed Product Description

The Standard Ignition NS-551 Back Up Light Switch is engineered to meet the exact specifications of Cadillac CTS vehicles. Featuring a black dichromate and plastic finish, this switch offers resistance to corrosion and wear, ensuring long-term functionality. The female connector and bullet-type terminals provide a secure and stable electrical connection, minimizing the risk of failure due to loose contacts. With two female terminals, the switch supports proper wiring configurations necessary for the reverse light circuit.

Common Applications and Issues Addressed

  • Activates reverse lights when the vehicle is shifted into reverse gear
  • Resolves issues with reverse lights not illuminating
  • Prevents electrical shorts or intermittent lighting caused by faulty switches
  • Ensures compliance with vehicle safety lighting requirements
  • Replaces worn or damaged back up light switches in Cadillac CTS models

Installation Notes and Tips

  • Verify compatibility with your Cadillac CTS before installation
  • Disconnect the battery to prevent electrical shorts during replacement
  • Ensure connectors and terminals are clean and free of corrosion before attaching
  • Securely fasten the switch to avoid vibration-related issues
  • Test reverse lights after installation to confirm proper operation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance for your Cadillac CTS. The NS-551 Back Up Light Switch undergoes rigorous quality control to ensure durability and consistent function. Please refer to Standard Ignition's warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberNS-551
ColorBlack
Connector GenderFemale
FinishDichromate, Plastic
Terminal GenderFemale
Terminal TypeBullet

This part fits 11 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2012CadillacCTSManualN/A
2011CadillacCTSManualN/A
2010CadillacCTSManualN/A
2009CadillacCTSManualN/A
2008CadillacCTSManualN/A
2007CadillacCTS2.8LV6N/A
2007CadillacCTS3.6LV6N/A
2006CadillacCTS2.8LV6N/A
2006CadillacCTS3.6LV6N/A
2005CadillacCTS2.8LV6N/A
2005CadillacCTS3.6LV6N/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:

191328441S874153-11825D2205DNS6769S51069SW6221

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