HomeElectrical, Lighting and Body > SwitchesStandard Ignition SLS-122 Brake Light Switch
Part #: SLS-122

Standard Ignition SLS-122 Brake Light Switch

⚙️ 14 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 and Mercury, Fiesta and Capri
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Reliable Brake Light Switch for Ford Capri and Mercury Fiesta

The Standard Ignition SLS-122 brake light switch is designed to provide consistent and accurate brake light activation for select Ford and Mercury vehicles. Engineered with precise connector and terminal specifications, this switch ensures proper electrical connection and reliable performance.

Key Features of the Standard Ignition SLS-122 Brake Light Switch

  • Female connector with one connection point for secure wiring
  • Two male blade terminals for efficient electrical contact
  • Blade terminal type designed for easy installation and durability
  • Compatible with Ford Capri and Mercury Fiesta models
  • Part number SLS-122 for accurate identification and replacement

Detailed Description and Technical Specifications

The Standard Ignition SLS-122 brake light switch features a female connector with a single connection, paired with two male blade terminals. This configuration supports a reliable electrical interface, minimizing the risk of connection failure. The blade terminals are designed to fit standard automotive wiring harnesses, facilitating straightforward installation. This brake light switch is specifically compatible with Ford Capri and Mercury Fiesta vehicles, ensuring proper fitment and function. The part number SLS-122 helps technicians and vehicle owners confirm the correct replacement part for their brake light system.

Common Applications and Issues Addressed

  • Restores brake light functionality when the original switch fails
  • Eliminates intermittent brake light activation problems
  • Resolves issues with brake lights staying on continuously
  • Ensures proper signaling to following vehicles for safety compliance
  • Prevents electrical faults related to worn or damaged connectors

Installation Notes and Tips

  • Verify vehicle compatibility with Ford Capri or Mercury Fiesta before installation
  • Disconnect the battery to prevent electrical shorts during replacement
  • Ensure the female connector and male blade terminals are securely connected
  • Check alignment and mounting position to avoid switch misactivation
  • Test brake light operation after installation to confirm proper function

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing dependable performance for electrical components. The SLS-122 brake light switch undergoes quality control testing to ensure durability and consistent operation. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandStandard Ignition
Part NumberSLS-122
Connector GenderFemale
Terminal GenderMale
Terminal TypeBlade Terminals

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1980FordFiestaN/A
1979FordFiestaN/A
1978FordFiestaN/A
1977MercuryCapriN/A
1976MercuryCapriN/A
1975MercuryCapri2.3LL4N/A
1975MercuryCapri2.8LV6N/A
1974MercuryCapriN/A
1973MercuryCapriN/A
1972MercuryCapri2.0LL4N/A
1972MercuryCapri1.6LL4N/A
1972MercuryCapri2.6LV6N/A
1971MercuryCapri2.0LL4N/A
1971MercuryCapri1.6LL4N/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:

1S537953-5450388924601D2RY13480AEG621F4826S719SL301V25-73-0021

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