Standard Ignition SLS-303 Brake Light Switch

Brand Standard Ignition SLS-303
Color Cream, Gray
Connector Gender Female
Finish Plastic
Functions Stoplight Switch
Terminal Gender Male
Terminal Type Blade
Fits Chevrolet, GMC, Saab, Isuzu, Buick, Hummer, Cadillac, and Oldsmobile · 232 vehicles

OE-quality construction. Built with brass or high-impact composite housings for durability.

Reduced arcing design. Special spring and contact arrangement helps extend service life.

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

Cross-references VEMO V51-73-0009, 1S5131 and 53-54445 for the same application. See all 9.

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Brake Light Switch for GM Trucks and SUVs

Standard Ignition SLS-303 is a brake light switch built for direct replacement in a wide range of GM trucks, SUVs, vans, and related applications. It uses a 6-blade terminal layout with a female connector and durable plastic finish for dependable stoplamp signal control.

With fitment covering Chevrolet Silverado, GMC Sierra, Tahoe, Yukon, Trailblazer, and more, this stoplight switch is a practical choice for diagnosing or replacing a worn brake pedal switch. Standard Ignition SLS-303 is engineered for consistent electrical switching performance across the listed applications.

Key Features

  • Brake light switch / stoplight switch function
  • Female connector with 1 connector interface
  • 6 male blade terminals for vehicle-specific electrical connection
  • Cream and gray color with plastic finish
  • Built with copper alloy conductors for low-resistance electrical flow
  • Spring and contact design helps reduce arcing for longer service life
  • 100% tested for mechanical and electrical switching performance

Detailed Description

Standard Ignition SLS-303 is designed for vehicles that rely on a precise brake pedal signal to activate the stop lamps and related circuits. The robust housing and high-grade internal materials reflect the demands of daily service use, while the contact arrangement is engineered to maintain stable switching action over time. This part cross-references VEMO V51-73-0009 for the same application.

Compatible With 1999-2002 Chevrolet Silverado 1500, 1999-2002 Chevrolet Silverado 2500, 2001-2002 Chevrolet Silverado 1500 HD, 2001-2002 Chevrolet Silverado 2500 HD, 2001-2002 Chevrolet Silverado 3500, 2003-2006 Chevrolet Silverado 1500, 2003-2006 Chevrolet Silverado 2500 HD, 2003-2006 Chevrolet Silverado 3500, 2007 Chevrolet Silverado 1500 Classic, 2007 Chevrolet Silverado 1500 HD Classic, 2007 Chevrolet Silverado 2500 HD Classic, and 2007 Chevrolet Silverado 3500 Classic. It also fits 2002-2009 Chevrolet Trailblazer, 2002-2006 Chevrolet Tahoe, 2002-2006 GMC Yukon, and 2003-2007 Chevrolet Express 1500/2500/3500 applications listed in the fitment data.

What It Helps Fix

  • Brake lamps that do not illuminate when the pedal is pressed
  • Intermittent stoplight operation
  • Brake switch electrical signal loss
  • Faults related to pedal-position switching at the brake circuit
  • Wear-related switching issues in high-use GM applications

Installation Notes and Tips

Verify connector style, terminal count, and pedal setup before installation. Some listed applications require fixed pedal setups, including select Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and related models. Confirm the vehicle year, make, and model against the fitment list before replacing the switch. Standard Ignition SLS-303 is also listed for 2002-2006 Chevrolet Avalanche, 2002-2006 GMC Yukon XL, 2004-2007 Buick Rainier, 2005-2009 Saab 9-7x, and 2003-2008 Isuzu Ascender applications.

Quality Assurance

Standard Ignition manufactures original equipment ignition products and maintains quality control from component selection through finished product testing. SLS-303 is 100% tested to verify mechanical and electrical switching performance before release.

This part fits 232 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2009ChevroletTrailblazer———N/A—
2009ChevroletTraverse—3.6LV6N/A—
2009GMCEnvoy———N/A—
2009Saab9-7x———N/A—
2008ChevroletTrailblazer———N/A—
2008GMCEnvoy———N/A—
2008IsuzuAscender—4.2LL6N/A—
2008Saab9-7x———N/A—
2007BuickRainier—5.3LV8N/A—
2007BuickRainier—4.2LL6N/A—
2007ChevroletExpress 1500———N/A—
2007ChevroletExpress 2500———N/A—
2007ChevroletExpress 3500———N/A—
2007ChevroletSilverado 1500 Classic———N/A—
2007ChevroletSilverado 1500 HD Classic———N/A—
2007ChevroletSilverado 2500 HD Classic———N/A—
2007ChevroletSilverado 3500 Classic———N/AFits vehicles with fixed pedal setups.
2007ChevroletTrailblazer———N/A—
2007GMCEnvoy———N/A—
2007GMCSavana 1500———N/A—
2007GMCSavana 2500—6.0LV8N/A—
2007GMCSavana 2500—6.6LV8N/A—
2007GMCSavana 2500—4.8LV8N/A—
2007GMCSavana 3500—4.8LV8N/A—
2007GMCSavana 3500—6.0LV8N/A—
2007GMCSavana 3500—6.6LV8N/A—
2007GMCSierra 1500 Classic———N/A—
2007GMCSierra 2500 HD Classic———N/A—
2007HummerH2—6.0LV8N/A—
2007IsuzuAscender—4.2LL6N/A—
2007Saab9-7x———N/A—
2006BuickRainier—4.2LL6N/A—
2006BuickRainier—5.3LV8N/A—
2006CadillacEscalade———N/AFits vehicles with fixed pedal setups.
2006CadillacEscalade ESV———N/AFits vehicles with fixed pedal setups.
2006CadillacEscalade EXT———N/AFits vehicles with fixed pedal setups.
2006ChevroletAvalanche 1500———N/AFits vehicles with fixed pedal setups.
2006ChevroletAvalanche 2500———N/AFits vehicles with fixed pedal setups.
2006ChevroletExpress 1500———N/A—
2006ChevroletExpress 2500———N/A—
2006ChevroletExpress 3500———N/A—
2006ChevroletSilverado 1500———N/AFits vehicles with fixed pedal setups.
2006ChevroletSilverado 1500 HD———N/AFits vehicles with fixed pedal setups.
2006ChevroletSilverado 2500 HD———N/AFits vehicles with fixed pedal setups.
2006ChevroletSilverado 3500———N/AFits vehicles with fixed pedal setups.
2006ChevroletSSR———N/A—
2006ChevroletSuburban 1500———N/AFits vehicles with fixed pedal setups.
2006ChevroletSuburban 2500———N/AFits vehicles with fixed pedal setups.
2006ChevroletTahoe———N/AFits vehicles with fixed pedal setups.
2006ChevroletTrailblazer———N/A—
2006ChevroletTrailblazer EXT———N/A—
2006GMCEnvoy———N/A—
2006GMCEnvoy XL———N/A—
2006GMCSavana 1500———N/A—
2006GMCSavana 2500———N/A—
2006GMCSavana 3500———N/A—
2006GMCSierra 1500———N/AFits vehicles with fixed pedal setups.
2006GMCSierra 1500 HD———N/AFits vehicles with fixed pedal setups.
2006GMCSierra 2500 HD———N/AFits vehicles with fixed pedal setups.
2006GMCSierra 3500———N/AFits vehicles with fixed pedal setups.
2006GMCYukon———N/AFits vehicles with fixed pedal setups.
2006GMCYukon XL 1500Denali——N/AFits vehicles with fixed pedal setups.
2006GMCYukon XL 2500———N/AFits vehicles with fixed pedal setups.
2006HummerH2—6.0LV8N/A—
2006IsuzuAscender—4.2LL6N/A—
2006IsuzuAscender—5.3LV8N/A—
2006Saab9-7x———N/A—
2005BuickRainier—5.3LV8N/A—
2005BuickRainier—4.2LL6N/A—
2005CadillacEscalade———N/AFits vehicles with fixed pedal setups.
2005CadillacEscalade ESV———N/AFits vehicles with fixed pedal setups.
2005CadillacEscalade EXT———N/AFits vehicles with fixed pedal setups.
2005ChevroletAvalanche 1500———N/AFits vehicles with fixed pedal setups.
2005ChevroletAvalanche 2500———N/AFits vehicles with fixed pedal setups.
2005ChevroletExpress 1500———N/A—
2005ChevroletExpress 2500———N/A—
2005ChevroletExpress 3500———N/A—
2005ChevroletSilverado 1500———N/AFits vehicles with fixed pedal setups.
2005ChevroletSilverado 1500 HD———N/AFits vehicles with fixed pedal setups.
2005ChevroletSilverado 2500 HD———N/AFits vehicles with fixed pedal setups.
2005ChevroletSilverado 3500———N/AFits vehicles with fixed pedal setups.
2005ChevroletSSR———N/A—
2005ChevroletSuburban 1500———N/AFits vehicles with fixed pedal setups.
2005ChevroletSuburban 2500———N/AFits vehicles with fixed pedal setups.
2005ChevroletTahoe———N/AFits vehicles with fixed pedal setups.
2005ChevroletTrailblazer———N/A—
2005ChevroletTrailblazer EXT———N/A—
2005GMCEnvoy———N/A—
2005GMCEnvoy XL———N/A—
2005GMCEnvoy XUV———N/A—
2005GMCSavana 1500———N/A—
2005GMCSavana 2500———N/A—
2005GMCSavana 3500———N/A—
2005GMCSierra 1500———N/AFits vehicles with fixed pedal setups.
2005GMCSierra 1500 HD———N/AFits vehicles with fixed pedal setups.
2005GMCSierra 2500 HD———N/AFits vehicles with fixed pedal setups.
2005GMCSierra 3500———N/AFits vehicles with fixed pedal setups.
2005GMCYukon———N/AFits vehicles with fixed pedal setups.
2005GMCYukon XL 1500Denali——N/AFits vehicles with fixed pedal setups.
2005GMCYukon XL 2500———N/AFits vehicles with fixed pedal setups.
2005HummerH2—6.0LV8N/A—
2005IsuzuAscender—5.3LV8N/A—
2005IsuzuAscender—4.2LL6N/A—
2005Saab9-7x———N/A—
2004BuickRainier—4.2LL6N/A—
2004BuickRainier—5.3LV8N/A—
2004CadillacEscalade———N/AFits vehicles with fixed pedal setups.
2004CadillacEscalade ESV———N/AFits vehicles with fixed pedal setups.
2004CadillacEscalade EXT———N/AFits vehicles with fixed pedal setups.
2004ChevroletAvalanche 1500———N/AFits vehicles with fixed pedal setups.
2004ChevroletAvalanche 2500———N/AFits vehicles with fixed pedal setups.
2004ChevroletExpress 1500———N/A—
2004ChevroletExpress 2500———N/A—
2004ChevroletExpress 3500———N/A—
2004ChevroletSilverado 1500———N/AFits vehicles with fixed pedal setups.
2004ChevroletSilverado 2500———N/AFits vehicles with fixed pedal setups.
2004ChevroletSilverado 2500 HD———N/AFits vehicles with fixed pedal setups.
2004ChevroletSilverado 3500———N/AFits vehicles with fixed pedal setups.
2004ChevroletSSR———N/A—
2004ChevroletSuburban 1500———N/AFits vehicles with fixed pedal setups.
2004ChevroletSuburban 2500———N/AFits vehicles with fixed pedal setups.
2004ChevroletTahoe———N/AFits vehicles with fixed pedal setups.
2004ChevroletTrailblazer———N/A—
2004ChevroletTrailblazer EXT———N/A—
2004GMCEnvoy———N/A—
2004GMCEnvoy XL———N/A—
2004GMCEnvoy XUV———N/A—
2004GMCSavana 1500———N/A—
2004GMCSavana 2500———N/A—
2004GMCSavana 3500———N/A—
2004GMCSierra 1500———N/AFits vehicles with fixed pedal setups.
2004GMCSierra 2500———N/AFits vehicles with fixed pedal setups.
2004GMCSierra 2500 HD———N/AFits vehicles with fixed pedal setups.
2004GMCSierra 3500———N/AFits vehicles with fixed pedal setups.
2004GMCYukon———N/AFits vehicles with fixed pedal setups.
2004GMCYukon XL 1500Denali——N/AFits vehicles with fixed pedal setups.
2004GMCYukon XL 2500———N/AFits vehicles with fixed pedal setups.
2004HummerH2—6.0LV8N/A—
2004IsuzuAscender—4.2LL6N/A—
2004IsuzuAscender—5.3LV8N/A—
2004OldsmobileBravada———N/A—
2003CadillacEscalade———N/AFits vehicles with fixed pedal setups.
2003CadillacEscalade ESV———N/AFits vehicles with fixed pedal setups.
2003CadillacEscalade EXT———N/AFits vehicles with fixed pedal setups.
2003ChevroletAvalanche 1500———N/AFits vehicles with fixed pedal setups.
2003ChevroletAvalanche 2500———N/AFits vehicles with fixed pedal setups.
2003ChevroletExpress 1500———N/A—
2003ChevroletExpress 2500———N/A—
2003ChevroletExpress 3500———N/A—
2003ChevroletSilverado 1500———N/AFits vehicles with fixed pedal setups.
2003ChevroletSilverado 1500 HD———N/AFits vehicles with fixed pedal setups.
2003ChevroletSilverado 2500———N/AFits vehicles with fixed pedal setups.
2003ChevroletSilverado 2500 HD———N/AFits vehicles with fixed pedal setups.
2003ChevroletSilverado 3500———N/AFits vehicles with fixed pedal setups.
2003ChevroletSSR———N/A—
2003ChevroletSuburban 1500———N/AFits vehicles with fixed pedal setups.
2003ChevroletSuburban 2500———N/AFits vehicles with fixed pedal setups.
2003ChevroletTahoe———N/AFits vehicles with fixed pedal setups.
2003ChevroletTrailblazer———N/A—
2003ChevroletTrailblazer EXT———N/A—
2003GMCEnvoy———N/A—
2003GMCEnvoy XL———N/A—
2003GMCSavana 1500———N/A—
2003GMCSavana 2500———N/A—
2003GMCSavana 3500———N/A—
2003GMCSierra 1500———N/AFits vehicles with fixed pedal setups.
2003GMCSierra 1500 HD———N/AFits vehicles with fixed pedal setups.
2003GMCSierra 2500———N/AFits vehicles with fixed pedal setups.
2003GMCSierra 2500 HD———N/AFits vehicles with fixed pedal setups.
2003GMCSierra 3500———N/AFits vehicles with fixed pedal setups.
2003GMCYukon———N/AFits vehicles with fixed pedal setups.
2003GMCYukon XL 1500Denali——N/AFits vehicles with fixed pedal setups.
2003GMCYukon XL 2500———N/AFits vehicles with fixed pedal setups.
2003HummerH2—6.0LV8N/A—
2003IsuzuAscender—4.2LL6N/A—
2003IsuzuAscender—5.3LV8N/A—
2003OldsmobileBravada———N/A—
2002CadillacEscalade———N/A—
2002CadillacEscalade EXT———N/A—
2002ChevroletAvalanche 1500———N/AFits vehicles with fixed pedal setups.
2002ChevroletAvalanche 2500———N/AFits vehicles with fixed pedal setups.
2002ChevroletSilverado 1500———N/A—
2002ChevroletSilverado 1500 HD———N/A—
2002ChevroletSilverado 2500———N/A—
2002ChevroletSilverado 2500 HD———N/A—
2002ChevroletSilverado 3500———N/A—
2002ChevroletSuburban 1500———N/AFits vehicles with fixed pedal setups.
2002ChevroletSuburban 2500———N/AFits vehicles with fixed pedal setups.
2002ChevroletTahoe———N/AFits vehicles with fixed pedal setups.
2002ChevroletTrailblazer———N/A—
2002ChevroletTrailblazer EXT———N/A—
2002GMCEnvoy———N/A—
2002GMCEnvoy XL———N/A—
2002GMCSierra 1500———N/A—
2002GMCSierra 1500 HD———N/A—
2002GMCSierra 2500———N/A—
2002GMCSierra 2500 HD———N/A—
2002GMCSierra 3500———N/A—
2002GMCYukon———N/AFits vehicles with fixed pedal setups.
2002GMCYukon XL 1500———N/AFits vehicles with fixed pedal setups.
2002GMCYukon XL 2500———N/AFits vehicles with fixed pedal setups.
2002OldsmobileBravada———N/A—
2001ChevroletC1500———N/A—
2001ChevroletSilverado 1500———N/A—
2001ChevroletSilverado 1500 HD———N/A—
2001ChevroletSilverado 2500———N/A—
2001ChevroletSilverado 2500 HD———N/A—
2001ChevroletSilverado 3500—8.1LV8N/A—
2001ChevroletSilverado 3500—6.0LV8N/A—
2001ChevroletSilverado 3500—6.6LV8N/A—
2001ChevroletSuburban 1500———N/A—
2001ChevroletSuburban 2500———N/A—
2001ChevroletTahoe———N/A—
2001GMCSierra 1500———N/A—
2001GMCSierra 1500 HD———N/A—
2001GMCSierra 2500———N/A—
2001GMCSierra 2500 HD———N/A—
2001GMCSierra 3500———N/A—
2001GMCYukon———N/A—
2001GMCYukon XL 1500Denali——N/A—
2001GMCYukon XL 2500———N/A—
2000ChevroletSilverado 1500———N/A—
2000ChevroletSilverado 2500———N/A—
2000GMCSierra 1500———N/A—
2000GMCSierra 2500———N/A—
2000GMCYukon———N/A—
2000GMCYukon XL 1500———N/A—
2000GMCYukon XL 2500———N/A—
1999ChevroletSilverado 1500———N/A—
1999ChevroletSilverado 2500———N/A—
1999GMCSierra 1500———N/A—
1999GMCSierra 2500———N/A—
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
VEMO — V51-73-00091S513153-5444587381503839315128874DR4106SL853SL2043