Standard Ignition SLS-108 Brake Light Switch

Brand Standard Ignition SLS-108
Color Metal
Connector Gender Female
Finish Metal
Functions Stoplight Switch
Terminal Gender Male
Terminal Type Blade
Fits Ford, Mercury, and Lincoln · 63 vehicles

Robust design. Built with high-grade materials for demanding service use.

Reduced arcing. Special spring and contact arrangement extends service life.

Copper alloy conductors. Deliver strong conductivity with low resistive losses.

Cross-references AP Exhaust 8692, 1S5386 and 2-8692 for the same application. See all 14.

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Brake Light Switch for Ford and Mercury

The Standard Ignition SLS-108 brake light switch is built for dependable stoplamp operation in a wide range of Ford, Mercury, and Lincoln applications. It uses a metal housing, a female connector, and blade-style terminals to support consistent electrical contact in demanding service conditions.

Key Features

  • Brake light switch / stoplight switch function
  • Metal finish and metal housing design
  • Female connector with 1 connector cavity
  • 2 male blade terminals for direct electrical connection
  • Special spring and contact arrangement to reduce arcing
  • Copper alloy conductors for strong electrical conductivity and low resistive loss
  • 100% tested for mechanical and electrical switching performance

Detailed Description

Standard Ignition SLS-108 is a brake light switch engineered for reliable stoplamp activation and long service life. The robust construction and high-grade materials are designed to meet the demands of daily repair work, while the internal spring and contact design helps limit arcing during repeated pedal operation. This part cross-references AP Exhaust 8692 for the same application. It is a direct-fit style solution for vehicles such as the Ford Mustang, Ford Tempo, and Mercury Topaz, and it also applies to additional Ford, Mercury, and Lincoln models within the listed fitment range.

What It Helps Fix

  • Brake lamps that do not illuminate when the pedal is pressed
  • Intermittent stoplight operation
  • Delayed or inconsistent brake light response
  • Electrical contact wear at the switch
  • Switch-related warning or signal issues tied to the brake pedal circuit

Installation Notes and Tips

Verify connector style, terminal type, and mounting location before installation. Confirm the brake pedal switch adjustment and test stoplamp operation after installation. For fitment-specific searches, this part is commonly sought as a brake light switch for 1994-2004 Ford Mustang, 1984-1994 Ford Tempo, and 1984-1994 Mercury Topaz. Additional fitment includes 1989-1990 Ford E-350 Econoline, 1981-1990 Ford Escort, 1986-1989 Ford Taurus, 1986-1989 Mercury Sable, 1988 Lincoln Continental, 1981-1987 Mercury Lynx, and 1982-1983 Mercury LN7.

Quality Assurance

Standard Ignition manufactures this switch with complete quality control from component selection through final production. Each unit is tested to verify both mechanical actuation and electrical switching performance, and the design uses copper alloy conductors for stable conductivity.

This part fits 63 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypePositionNotes
2004FordMustang—N/A—
2003FordMustang—N/A—
2002FordMustang—N/A—
2001FordMustang—N/A—
2000FordMustang—N/A—
1999FordMustang—N/A—
1998FordMustang—N/A—
1997FordMustang—N/A—
1996FordMustang—N/A—
1995FordMustang—N/A—
1994FordMustang—N/A—
1994FordTempo—N/A—
1994MercuryTopaz—N/A—
1993FordTempo—N/A—
1993MercuryTopaz—N/A—
1992FordTempo—N/A—
1992MercuryTopaz—N/A—
1991FordTempo—N/A—
1991MercuryTopaz—N/A—
1990FordE-350 EconolineStripped ChassisN/A—
1990FordEscort—N/A—
1990FordTempo—N/A—
1990MercuryTopaz—N/A—
1989FordE-350 EconolineStripped ChassisN/A—
1989FordEscort—N/A—
1989FordTaurus—N/A—
1989FordTempo—N/A—
1989MercurySable—N/A—
1989MercuryTopaz—N/A—
1988FordEscort—N/A—
1988FordTaurus—N/A—
1988FordTempo—N/A—
1988LincolnContinental—N/A—
1988MercurySable—N/A—
1988MercuryTopaz—N/A—
1987FordEscort—N/A—
1987FordTaurus—N/A—
1987FordTempo—N/A—
1987MercuryLynx—N/A—
1987MercurySable—N/A—
1987MercuryTopaz—N/A—
1986FordEscort—N/A—
1986FordTaurus—N/A—
1986FordTempo—N/A—
1986MercuryLynx—N/A—
1986MercurySable—N/A—
1986MercuryTopaz—N/A—
1985FordEscort—N/A—
1985FordTempo—N/A—
1985MercuryLynx—N/A—
1985MercuryTopaz—N/A—
1984FordEscort—N/A—
1984FordTempo—N/A—
1984MercuryLynx—N/A—
1984MercuryTopaz—N/A—
1983FordEscort—N/A—
1983MercuryLN7—N/A—
1983MercuryLynx—N/A—
1982FordEscort—N/A—
1982MercuryLN7—N/A—
1982MercuryLynx—N/A—
1981FordEscort—N/A—
1981MercuryLynx—N/A—
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 86921S53862-869253-545091232697612329698E1EB13480AAEG1095F4836S646SL219SL219SBSLS108TSW2154