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Standard Ignition SLS-79 Brake Light SwitchOE Quality 60-Day Returns
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Part #: SLS-79

Standard Ignition SLS-79 Brake Light Switch

⚙️ 129 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Mercury, and Lincoln, E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline, E-350 Econoline, E-350 Econoline Club Wagon, Mustang, Thunderbird, Cougar, Capri, Marquis, Fairmont, Mark VI, Zephyr, Granada, Grand Marquis, Custom 500, E-100 Econoline, E-100 Econoline Club Wagon, Elite, LTD, Country Squire, Galaxie 500, Mustang II, Pinto, Continental, Colony Park, Monterey, Mark III, Cyclone, Custom, Fairlane, Falcon, and Montego
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Reliable Brake Light Switch for Ford, Lincoln, and Mercury Vehicles

The Standard Ignition SLS-79 brake light switch is designed to provide consistent and dependable performance for a range of Ford, Lincoln, and Mercury models. Engineered with durable metal construction and precise blade terminals, this switch ensures proper brake light operation and vehicle safety.

  • Durable metal finish for long-lasting use
  • Female connector with one connection point
  • Two male blade terminals for secure electrical contact
  • Designed specifically as a brake light switch function
  • Compatible with multiple Ford, Lincoln, and Mercury models

Product Features and Specifications

The SLS-79 brake light switch from Standard Ignition features a metal body and finish, providing resistance to wear and environmental factors. It includes a female connector with a single connection and two male blade terminals, ensuring a reliable electrical connection within the brake light circuit. This switch is engineered to activate the brake lights when the brake pedal is pressed, maintaining safety and compliance with vehicle lighting requirements.

Compatible Vehicles and Applications

This brake light switch is compatible with a variety of Ford, Lincoln, and Mercury vehicles, including but not limited to the Ford Mustang, Ford E-150 Econoline, Lincoln Continental, Mercury Cougar, and Ford Thunderbird. The part number SLS-79 fits models such as the Capri, Colony Park, Fairmont, Grand Marquis, LTD, Mark VI, Marquis, Montego, Pinto, Zephyr, and several Econoline variants.

Common Issues Addressed by the SLS-79 Brake Light Switch

  • Brake lights not illuminating when the pedal is pressed
  • Intermittent or flickering brake light operation
  • Brake lights remaining on continuously
  • Failure of cruise control disengagement linked to brake switch
  • Electrical connection problems due to worn or damaged terminals

Installation Notes and Tips

When installing the Standard Ignition SLS-79 brake light switch, ensure the vehicle is turned off and the battery is disconnected to prevent electrical shorts. Verify the correct alignment of the switch with the brake pedal mechanism. The female connector and blade terminals should be securely connected to avoid loose contacts. Testing the brake lights after installation is recommended to confirm proper function.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The SLS-79 brake light switch undergoes rigorous quality control testing. Please refer to Standard Ignition's warranty policy for specific coverage details related to this part.

BrandStandard Ignition
Part NumberSLS-79
ColorMetal
Connector GenderFemale
FinishMetal
FunctionsSwitch
Terminal GenderMale
Terminal TypeBlade Terminals

This part fits 129 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1996FordE-150 EconolineN/A
1996FordE-150 Econoline Club WagonN/A
1996FordE-250 EconolineN/A
1996FordE-350 EconolineN/A
1996FordE-350 Econoline Club WagonN/A
1995FordE-150 EconolineN/A
1995FordE-150 Econoline Club WagonN/A
1995FordE-250 EconolineN/A
1995FordE-350 EconolineN/A
1995FordE-350 Econoline Club WagonN/A
1994FordE-150 EconolineN/A
1994FordE-150 Econoline Club WagonN/A
1994FordE-250 EconolineN/A
1994FordE-350 EconolineN/A
1994FordE-350 Econoline Club WagonN/A
1993FordE-150 EconolineN/AFrom 10/92
1993FordE-150 Econoline Club WagonN/AFrom 10/92
1993FordE-250 EconolineN/AFrom 10/92
1993FordE-350 EconolineN/AFrom 10/92
1993FordE-350 Econoline Club WagonN/AFrom 10/92
1993FordMustangN/A
1992FordMustangN/A
1991FordMustangN/A
1990FordMustangN/A
1989FordMustangN/A
1988FordMustangN/A
1988FordThunderbirdN/A
1988MercuryCougarN/A
1987FordMustangN/A
1987FordThunderbirdN/A
1987MercuryCougarN/A
1986FordMustangN/A
1986FordThunderbirdN/A
1986MercuryCapriN/A
1986MercuryCougarN/A
1986MercuryMarquisN/A
1985FordMustangN/A
1985FordThunderbirdN/A
1985MercuryCapriN/A
1985MercuryCougarN/A
1985MercuryMarquisN/A
1984FordMustangN/A
1984FordThunderbirdN/A
1984MercuryCapriN/A
1984MercuryCougarN/A
1984MercuryMarquisN/A
1983FordFairmontN/A
1983FordMustangN/A
1983FordThunderbirdN/A
1983LincolnMark VI5.0LV8N/A
1983MercuryCapriN/A
1983MercuryCougarN/A
1983MercuryMarquisN/A
1983MercuryZephyrN/A
1982FordFairmontN/A
1982FordMustangN/A
1982FordThunderbirdN/A
1982LincolnMark VI5.0LV8N/A
1982MercuryCapriN/A
1982MercuryCougarN/A
1982MercuryMarquisN/A
1982MercuryZephyrN/A
1981FordFairmontN/A
1981FordMustangN/A
1981FordThunderbirdN/A
1981MercuryCapriN/A
1981MercuryCougarN/A
1981MercuryMarquisN/A
1981MercuryZephyrN/A
1980FordFairmontN/A
1980FordMustangN/A
1980FordThunderbirdN/A
1980MercuryCapriN/A
1980MercuryCougarN/A
1980MercuryZephyrN/A
1979FordFairmontN/A
1979FordMustangN/A
1979MercuryCapriN/A
1979MercuryZephyrN/A
1978FordFairmontN/A
1978MercuryGrand MarquisN/A
1978MercuryZephyrN/A
1977MercuryGrand MarquisN/A
1976FordE-100 EconolineN/AFrom Serial No. C25,000
1976FordE-100 Econoline Club WagonN/AFrom Serial No. C25,000
1976MercuryGrand MarquisN/A
1976MercuryMarquisN/A
1975FordLTDN/A
1975MercuryGrand MarquisN/A
1975MercuryMarquisN/A
1974FordLTDN/A
1974FordPinto2.3LL4N/A
1974FordPinto2.0LL4N/A
1974LincolnContinentalN/A
1974MercuryColony ParkN/A
1974MercuryMarquisN/A
1973FordLTDN/A
1973FordMustangN/A
1973FordPinto1.6LL4N/A
1973FordPinto2.0LL4N/A
1973LincolnContinentalN/A
1973MercuryColony ParkN/A
1973MercuryMarquisN/A
1972FordLTDN/A
1972FordMustangN/A
1972FordPinto1.6LL4N/A
1972FordPinto2.0LL4N/A
1972LincolnContinentalN/A
1972MercuryColony ParkN/A
1972MercuryMarquisN/A
1971FordLTDN/A
1971FordMustangN/A
1971FordPinto1.6LL4N/A
1971FordPinto2.0LL4N/A
1971FordThunderbirdN/A
1971LincolnContinentalN/A
1971MercuryColony ParkN/A
1971MercuryMarquisN/A
1970FordLTDN/A
1970FordThunderbirdN/A
1970LincolnContinentalN/A
1970MercuryColony ParkN/A
1970MercuryMarquisN/A
1969FordLTDN/A
1969FordThunderbirdN/A
1969MercuryColony ParkN/A
1969MercuryMarquis6.4LV8N/A
1969MercuryMarquis7.0LV8N/A
1969MercuryMontegoN/ATo 11/18/68

* 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:

123297001S53872-86864-8534D153-54510581188686C9AB13480DEG1082F4816S280SL207SW2239

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

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