Standard Ignition SLS-126 Brake Light Switch

Brand Standard Ignition SLS-126
Connector Gender Female
Terminal Gender Male
Terminal Type Blade Terminals
Fits Audi · 33 vehicles

Push-in design. Installs without extra hardware for a clean, secure fit.

Plastic construction. Lightweight material helps keep the switch simple and durable.

Blade terminals. Provides a straightforward electrical connection with a rectangular connector.

Cross-references Standard Ignition SLS-126, 19021163 and 811945513 for the same application. See all 7.

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Brake Light Switch for Audi Applications

Standard Ignition SLS-126 is a 12-volt brake light switch built with a plastic body, rectangular female connector, and male blade terminals. It uses a push-in attachment method and is made for direct electrical switching in the brake lamp circuit on select Audi models.

Compatible With 1981-1989 Audi 4000, 1984-1987 Audi 4000 Quattro, 1981-1987 Audi Coupe, 1983-1985 Audi Quattro, 1986-1988 Audi 5000 Quattro, 1988-1989 Audi 80, 1988-1989 Audi 80 Quattro, 1988-1989 Audi 90, 1988-1989 Audi 90 Quattro, 1989 Audi 100, and 1989 Audi 100 Quattro. This part cross-references Standard Ignition SLS-126 for the same application.

Key Features

  • Brake light switch for 12-volt electrical systems
  • 2-terminal design with one rectangular connector
  • Female connector and male blade terminals
  • Push-in attachment method for switch mounting
  • Plastic housing with no separate mounting bracket
  • No wiring harness included

Detailed Description

Standard Ignition SLS-126 is a brake light switch used to signal the brake lamp circuit when the pedal is applied. The switch features a 2-terminal layout, rectangular connector shape, and blade-style terminals for the specified Audi fitments. For drivers searching for an Audi 4000 brake light switch, Audi 80 brake light switch, or Audi 100 brake light switch, this part number provides a direct replacement option for the listed vehicles.

Standard Ignition SLS-126 also cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Part May Address

  • Brake lamps that do not illuminate when the pedal is pressed
  • Brake lights that stay on after pedal release
  • Intermittent brake light operation from a worn switch
  • Electrical contact problems at the brake pedal switch
  • Fault codes or inspection failures related to brake lamp function

Installation Notes and Tips

Verify connector style, terminal count, and mounting style before installation. Confirm the brake pedal switch location and check the existing connector for corrosion, looseness, or heat damage. After installation, test brake lamp operation and pedal return to ensure the switch activates and releases correctly.

Quality Assurance

Standard Ignition supplies electrical replacement parts for service applications, and SLS-126 is built to match the listed fitment and connector specifications for the confirmed Audi models.

This part fits 33 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1989Audi100N/A—
1989Audi100 QuattroN/A—
1989Audi80N/A—
1989Audi80 QuattroN/A—
1989Audi90N/A—
1989Audi90 QuattroN/A—
1988Audi5000 QuattroN/A—
1988Audi80N/A—
1988Audi80 QuattroN/A—
1988Audi90N/A—
1988Audi90 QuattroN/A—
1987Audi4000N/A—
1987Audi4000 QuattroN/A—
1987Audi5000 QuattroN/A—
1987AudiCoupeN/A—
1986Audi4000N/A—
1986Audi4000 QuattroN/A—
1986Audi5000 QuattroN/A—
1986AudiCoupeN/A—
1985Audi4000N/A—
1985Audi4000 QuattroN/A—
1985AudiCoupeN/A—
1985AudiQuattroN/A—
1984Audi4000N/A—
1984Audi4000 QuattroN/A—
1984AudiCoupeN/A—
1984AudiQuattroN/A—
1983Audi4000N/A—
1983AudiCoupeN/A—
1983AudiQuattroN/A—
1982Audi4000N/A—
1982AudiCoupeN/A—
1981AudiCoupeN/A—
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — SLS-12619021163811945513811945513AJA437S6002SL325