Standard Ignition SLS-308 Brake Light Switch

Brand Standard Ignition SLS-308
Connector Gender Female
Terminal Gender Male
Terminal Type Blade Terminals
Fits Ford, Lincoln, and Jaguar · 19 vehicles

Durable housing. Built with brass or high-impact composite materials for lasting performance.

Reduced arcing. Special spring and contact design helps extend service life.

OE-quality manufacturing. Made by a global original-equipment ignition products manufacturer.

Cross-references 1S5405, 53-54523 and F4861 for the same application. See all 7.

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Free returns within 60 days if it doesn't fit when fitment is verified.

Brake Light Switch for Ford, Lincoln, and Jaguar

Standard Ignition SLS-308 is a brake light switch built for dependable stoplamp signal control in select Ford, Lincoln, and Jaguar applications. It uses a female connector with two male blade terminals and is engineered for consistent electrical switching performance in vehicles such as the Ford GT, Lincoln LS, Ford Thunderbird, and Jaguar S-Type.

  • Female connector with 1 connector interface
  • 2 male blade terminals for straightforward electrical connection
  • Brass or high-impact composite housing design, depending on application specification
  • Special spring and contact arrangement to reduce arcing and extend service life
  • Copper alloy conductors for strong electrical conductivity and low resistive loss
  • 100% tested for mechanical and electrical switching performance

Detailed Product Overview

The Standard Ignition SLS-308 brake light switch is designed to restore reliable brake pedal signal operation in vehicles that depend on accurate stoplight activation. Standard Ignition builds this switch with durable materials and controlled manufacturing processes to support consistent performance in daily service. This part number is a direct-fit style solution for brake light switch replacement on 2005-2006 Ford GT, 2000-2006 Lincoln LS, 2002-2005 Ford Thunderbird, and 2000-2004 Jaguar S-Type applications, including 2004 Jaguar S-Type models built to VIN M99485.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems This Part Can Address

  • Brake lamps that do not illuminate when the pedal is pressed
  • Intermittent stoplight operation caused by worn switch contacts
  • Delayed or inconsistent brake signal response
  • Electrical switching issues related to heat or contact wear
  • Replacement needs after switch failure in Ford GT, Lincoln LS, Ford Thunderbird, or Jaguar S-Type vehicles

Installation Notes and Tips

Verify connector style, terminal layout, and vehicle application before installation. Confirm the vehicle year and, for 2004 Jaguar S-Type, check the VIN note listed for proper application matching. Inspect the brake pedal switch mounting area and electrical connector for wear, corrosion, or damage before installing the new switch. After installation, test brake lamp operation and confirm the switch activates and releases correctly with pedal movement.

Quality Assurance

Standard Ignition states that this switch is manufactured under complete quality control from component selection through finished product testing. Each unit is tested for mechanical and electrical switching performance to help ensure consistent operation in service.

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006FordGT——N/A—
2006LincolnLS3.9LV8N/A—
2005FordGT——N/A—
2005FordThunderbird——N/A—
2005LincolnLS3.0LV6N/A—
2005LincolnLS3.9LV8N/A—
2004FordThunderbird——N/A—
2004JaguarS-Type——N/ATo Vin M99485
2004LincolnLS——N/A—
2003FordThunderbird——N/A—
2003JaguarS-Type——N/A—
2003LincolnLS——N/A—
2002FordThunderbird——N/A—
2002JaguarS-Type——N/A—
2002LincolnLS——N/A—
2001JaguarS-Type——N/A—
2001LincolnLS——N/A—
2000JaguarS-Type——N/A—
2000LincolnLS——N/A—
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1S540553-54523F4861SL858SL2048SW5474XW4Z13480AA