HomeElectrical, Lighting and Body > SwitchesStandard Ignition SLS-40 Brake Light Switch
Part #: SLS-40

Standard Ignition SLS-40 Brake Light Switch

⚙️ 24 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Oldsmobile, Cadillac, Chevrolet, and GMC, 98, Dynamic 88, Fiesta, Super 88, 88, Starfire, Commercial Chassis, DeVille, Eldorado, Series 60 Fleetwood, Series 62, Series 75 Fleetwood, Truck, 100, 100-22, 100-24, 150, 150-22, 150-24, 250, 250-22, 250-24, 280-22, 300, 300-24, 350-24, 350-27, 370, F350, F350-24, F350-27, F370, M300, M350-24, M350-27, P150-22, PM150-22, PM150-24, PM152, PM152-22, PM250-24, PM252, PM253, S300-24, S370, 102-22, 253-22, PM150, Deluxe 88, FC100, FC100-22, FC150, Series 61, P152, P252, P253, Bel Air, Fleetline, Fleetline Truck, Styleline Deluxe, Styleline Special, Fleetmaster, Stylemaster Series, Special Deluxe, AJ, AK, AL, AM, AN, and YR
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Reliable Brake Light Switch for Cadillac, Chevrolet, and Oldsmobile

The Standard Ignition SLS-40 brake light switch is designed to provide consistent and accurate brake light activation for select Cadillac, Chevrolet, and Oldsmobile models. Engineered with durable metal and plastic components, this switch ensures reliable performance in your vehicle's electrical system.

  • Compatible with Cadillac 88, 98, DeVille, Eldorado models
  • Fits Chevrolet Bel Air and Commercial Chassis vehicles
  • Also suitable for Oldsmobile Starfire models
  • Metal and plastic finish for durability and corrosion resistance
  • Female connector with one connection point
  • Two male bullet terminals for secure electrical contact
  • Functions as a brake light switch to activate brake lights

Durable Construction and Precise Electrical Function

The SLS-40 brake light switch from Standard Ignition features a metal and plastic finish that balances strength and resistance to wear. Its female connector and two male bullet terminals provide a secure and reliable electrical connection, essential for proper brake light operation. Designed specifically for use in classic and vintage vehicles such as Cadillac 88 and 98 series, Chevrolet Bel Air, and Oldsmobile Starfire, this switch meets the electrical requirements of these models to maintain safety and compliance.

Common Applications and Problem Resolution

  • Restores brake light functionality when original switch fails
  • Eliminates intermittent brake light issues caused by faulty switches
  • Prevents brake lights from staying on continuously
  • Ensures proper brake light activation for vehicle safety inspections
  • Replaces worn or damaged brake light switches in classic Cadillac, Chevrolet, and Oldsmobile models

Installation Notes and Tips

  • Verify vehicle compatibility with Cadillac 88, 98, DeVille, Eldorado, Chevrolet Bel Air, Commercial Chassis, or Oldsmobile Starfire before installation
  • Disconnect the battery before replacing the brake light switch to avoid electrical shorts
  • Ensure the female connector and male bullet terminals are securely connected for proper function
  • Adjust the switch position as needed to achieve correct brake light activation timing

Quality Assurance and Warranty Information

Standard Ignition manufactures the SLS-40 brake light switch to meet OEM specifications for fit and function. The part undergoes quality control testing to ensure reliable operation in the specified Cadillac, Chevrolet, and Oldsmobile models. While specific warranty details may vary, Standard Ignition typically offers coverage against manufacturing defects to provide confidence in product durability and performance.

BrandStandard Ignition
Part NumberSLS-40
ColorMetal
Connector GenderFemale
FinishMetal, Plastic
FunctionsSwitch
Terminal GenderMale
Terminal TypeBullet

This part fits 24 vehicles. Search below:

YearMakeModelPositionNotes
1959Oldsmobile98N/A
1958Oldsmobile98N/A
1957Oldsmobile88N/A
1957OldsmobileStarfireN/A
1956Oldsmobile88N/A
1956Oldsmobile98N/A
1955CadillacCommercial ChassisN/A
1955CadillacDeVilleN/A
1955CadillacEldoradoN/A
1955Oldsmobile88N/A
1955Oldsmobile98N/A
1954CadillacCommercial ChassisN/A
1954CadillacDeVilleN/A
1954CadillacEldoradoN/A
1954Oldsmobile88N/A
1954Oldsmobile98N/A
1953CadillacCommercial ChassisN/A
1953CadillacDeVilleN/A
1953CadillacEldoradoN/A
1953Oldsmobile98N/A
1952CadillacCommercial ChassisN/A
1952Oldsmobile98N/A
1951CadillacCommercial ChassisN/A
1950ChevroletBel AirN/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:

191067391S520053-54469DR446EG1041S190SL128

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