HomeElectrical, Lighting and Body > SwitchesStandard Ignition SLS-401 Brake Light Switch
Part #: SLS-401

Standard Ignition SLS-401 Brake Light Switch

⚙️ 86 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$23.23Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, Chevrolet, and GMC, Escalade, Escalade ESV, Escalade EXT, Avalanche 1500, Avalanche 2500, Silverado 1500, Silverado 1500 HD, Silverado 2500 HD, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe, Sierra 1500, Sierra 1500 HD, Sierra 2500 HD, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500, Silverado 2500, and Sierra 2500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Brake Light Switch for GM Trucks and SUVs

The Standard Ignition SLS-401 brake light switch is designed to provide consistent and accurate brake light activation for select Cadillac, Chevrolet, and GMC vehicles. This switch ensures proper signaling to drivers behind your vehicle, enhancing safety during braking.

  • Compatible with Cadillac Escalade, Escalade ESV, Escalade EXT
  • Fits Chevrolet Avalanche 1500/2500, Silverado 1500/2500/3500, Suburban 1500/2500, Tahoe
  • Designed for GMC Sierra 1500/1500 HD/2500/2500 HD/3500, Yukon, Yukon XL 1500/2500
  • Cream plastic finish with durable blade terminals
  • Female connector with one connection point and six male blade terminals

Product Features and Specifications

The SLS-401 brake light switch features a cream-colored plastic housing that offers durability and resistance to wear. It includes a single female connector designed for easy plug-in installation. The switch is equipped with six male blade terminals, providing secure and reliable electrical connections. This configuration supports proper brake light function across multiple GM truck and SUV models, including the Chevrolet Silverado and GMC Sierra series.

Purpose and Application

This brake light switch is essential for activating the brake lights when the brake pedal is pressed, ensuring that following drivers are alerted to your vehicle slowing or stopping. It is commonly used to address issues such as:

  • 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 faults related to brake light circuitry

Installation Notes and Tips

Installation of the Standard Ignition SLS-401 brake light switch requires disconnecting the vehicle battery to prevent electrical shorts. Locate the brake pedal assembly and remove the faulty switch by disconnecting the female connector and detaching the blade terminals. Install the new switch by aligning the blade terminals and securing the female connector. Verify proper brake light operation before reassembling any removed components.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and fitment. The SLS-401 brake light switch undergoes rigorous quality control testing to maintain consistent electrical function. This part is backed by Standard Ignition's limited warranty, providing coverage against defects in material and workmanship under normal use.

BrandStandard Ignition
Part NumberSLS-401
ColorCream
Connector GenderFemale
FinishPlastic
Terminal GenderMale
Terminal TypeBlade Terminals

This part fits 86 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2006CadillacEscaladeN/Aw/ Adjustable Pedals
2006CadillacEscalade ESVN/Aw/ Adjustable Pedals
2006CadillacEscalade EXTN/Aw/ Adjustable Pedals
2006ChevroletAvalanche 1500N/Aw/ Adjustable Pedals
2006ChevroletAvalanche 2500N/Aw/ Adjustable Pedals
2006ChevroletSilverado 1500N/Aw/ Adjustable Pedals
2006ChevroletSilverado 1500 HDN/Aw/ Adjustable Pedals
2006ChevroletSilverado 2500 HDN/Aw/ Adjustable Pedals
2006ChevroletSilverado 3500N/Aw/ Adjustable Pedals
2006ChevroletSuburban 1500N/Aw/ Adjustable Pedals
2006ChevroletSuburban 2500N/Aw/ Adjustable Pedals
2006ChevroletTahoeN/Aw/ Adjustable Pedals
2006GMCSierra 1500N/Aw/ Adjustable Pedals
2006GMCSierra 1500 HDN/Aw/ Adjustable Pedals
2006GMCSierra 2500 HDN/Aw/ Adjustable Pedals
2006GMCSierra 3500N/Aw/ Adjustable Pedals
2006GMCYukonN/Aw/ Adjustable Pedals
2006GMCYukon XL 1500DenaliN/Aw/ Adjustable Pedals
2006GMCYukon XL 2500N/Aw/ Adjustable Pedals
2005CadillacEscaladeN/Aw/ Adjustable Pedals
2005CadillacEscalade ESVN/Aw/ Adjustable Pedals
2005CadillacEscalade EXTN/Aw/ Adjustable Pedals
2005ChevroletAvalanche 1500N/Aw/ Adjustable Pedals
2005ChevroletAvalanche 2500N/Aw/ Adjustable Pedals
2005ChevroletSilverado 1500N/Aw/ Adjustable Pedals
2005ChevroletSilverado 1500 HDN/Aw/ Adjustable Pedals
2005ChevroletSilverado 2500 HDN/Aw/ Adjustable Pedals
2005ChevroletSilverado 3500N/Aw/ Adjustable Pedals
2005ChevroletSuburban 1500N/Aw/ Adjustable Pedals
2005ChevroletSuburban 2500N/Aw/ Adjustable Pedals
2005ChevroletTahoeN/Aw/ Adjustable Pedals
2005GMCSierra 1500N/Aw/ Adjustable Pedals
2005GMCSierra 1500 HDN/Aw/ Adjustable Pedals
2005GMCSierra 2500 HDN/Aw/ Adjustable Pedals
2005GMCSierra 3500N/Aw/ Adjustable Pedals
2005GMCYukonN/Aw/ Adjustable Pedals
2005GMCYukon XL 1500DenaliN/Aw/ Adjustable Pedals
2005GMCYukon XL 2500N/Aw/ Adjustable Pedals
2004CadillacEscaladeN/Aw/ Adjustable Pedals
2004CadillacEscalade ESVN/Aw/ Adjustable Pedals
2004CadillacEscalade EXTN/Aw/ Adjustable Pedals
2004ChevroletAvalanche 1500N/Aw/ Adjustable Pedals
2004ChevroletAvalanche 2500N/Aw/ Adjustable Pedals
2004ChevroletSilverado 1500N/Aw/ Adjustable Pedals
2004ChevroletSilverado 2500N/Aw/ Adjustable Pedals
2004ChevroletSilverado 2500 HDN/Aw/ Adjustable Pedals
2004ChevroletSilverado 3500N/Aw/ Adjustable Pedals
2004ChevroletSuburban 1500N/Aw/ Adjustable Pedals
2004ChevroletSuburban 2500N/Aw/ Adjustable Pedals
2004ChevroletTahoeN/Aw/ Adjustable Pedals
2004GMCSierra 1500N/Aw/ Adjustable Pedals
2004GMCSierra 2500N/Aw/ Adjustable Pedals
2004GMCSierra 2500 HDN/Aw/ Adjustable Pedals
2004GMCSierra 3500N/Aw/ Adjustable Pedals
2004GMCYukonN/Aw/ Adjustable Pedals
2004GMCYukon XL 1500DenaliN/Aw/ Adjustable Pedals
2004GMCYukon XL 2500N/Aw/ Adjustable Pedals
2003CadillacEscaladeN/Aw/ Adjustable Pedals
2003CadillacEscalade ESVN/Aw/ Adjustable Pedals
2003CadillacEscalade EXTN/Aw/ Adjustable Pedals
2003ChevroletAvalanche 1500N/Aw/ Adjustable Pedals
2003ChevroletAvalanche 2500N/Aw/ Adjustable Pedals
2003ChevroletSilverado 1500N/Aw/ Adjustable Pedals
2003ChevroletSilverado 1500 HDN/Aw/ Adjustable Pedals
2003ChevroletSilverado 2500N/Aw/ Adjustable Pedals
2003ChevroletSilverado 2500 HDN/Aw/ Adjustable Pedals
2003ChevroletSilverado 3500N/Aw/ Adjustable Pedals
2003ChevroletSuburban 1500N/Aw/ Adjustable Pedals
2003ChevroletSuburban 2500N/Aw/ Adjustable Pedals
2003ChevroletTahoeN/Aw/ Adjustable Pedals
2003GMCSierra 1500N/Aw/ Adjustable Pedals
2003GMCSierra 1500 HDN/Aw/ Adjustable Pedals
2003GMCSierra 2500N/Aw/ Adjustable Pedals
2003GMCSierra 2500 HDN/Aw/ Adjustable Pedals
2003GMCSierra 3500N/Aw/ Adjustable Pedals
2003GMCYukonN/Aw/ Adjustable Pedals
2003GMCYukon XL 1500DenaliN/Aw/ Adjustable Pedals
2003GMCYukon XL 2500N/Aw/ Adjustable Pedals
2002ChevroletAvalanche 1500N/Aw/ Adjustable Pedals
2002ChevroletAvalanche 2500N/Aw/ Adjustable Pedals
2002ChevroletSuburban 1500N/Aw/ Adjustable Pedals
2002ChevroletSuburban 2500N/Aw/ Adjustable Pedals
2002ChevroletTahoeN/Aw/ Adjustable Pedals
2002GMCYukonN/Aw/ Adjustable Pedals
2002GMCYukon XL 1500N/Aw/ Adjustable Pedals
2002GMCYukon XL 2500N/Aw/ Adjustable Pedals

* 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:

15064159151285921S516653-54460DR4142SL2141SL951

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