HomeElectrical, Lighting and Body > Electrical ConnectorsStandard Ignition S-749 Brake Light Switch Connector
Part #: S-749

Standard Ignition S-749 Brake Light Switch Connector

⚙️ 500 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, Saab, Isuzu, Buick, Hummer, Cadillac, and Oldsmobile, Trailblazer, Traverse, Envoy, 9-7x, Ascender, Rainier, Express 1500, Express 2500, Express 3500, Silverado 2500 HD Classic, Silverado 3500 HD, Savana 1500, Savana 2500, Savana 3500, Sierra 2500 HD Classic, H2, Escalade, Escalade ESV, Escalade EXT, Avalanche 1500, Avalanche 2500, Silverado 1500, Silverado 1500 HD, Silverado 2500 HD, Silverado 3500, SSR, Suburban 1500, Suburban 2500, Tahoe, Trailblazer EXT, Envoy XL, Sierra 1500, Sierra 1500 HD, Sierra 2500 HD, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500, Astro, Blazer, Envoy XUV, Jimmy, Safari, S10, Silverado 2500, Sierra 2500, Sonoma, Bravada, H1, C2500, C3500, K2500, K3500, Hombre, C1500, C1500 Suburban, C2500 Suburban, K1500, K1500 Suburban, K2500 Suburban, Silverado, G30, G3500, G10, G20, G1500, and G2500
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Reliable Brake Light Switch Connector for GM and More

The Standard Ignition S-749 Brake Light Switch Connector is designed to provide a secure and durable electrical connection for brake light systems. Compatible with a wide range of vehicles including Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, and Saab models, this connector ensures consistent performance and safety.

  • Connector Gender: Male
  • Connector Quantity: 1
  • Harness Length: 7 inches
  • Terminal Gender: Female
  • Terminal Quantity: 6
  • Terminal Type: Pin socket
  • Wire Quantity: 6

Product Details and Specifications

The S-749 brake light switch connector from Standard Ignition features a 7-inch harness length, providing ample reach for installation in various vehicle brake light circuits. It includes six female terminals with pin socket types, designed to mate securely with male connectors. The connector itself is male, ensuring proper fitment and electrical contact. With six wires integrated, this connector supports multiple circuit connections, making it suitable for complex brake light wiring systems found in many GM and related vehicles.

Compatible Vehicles and Applications

This brake light switch connector is compatible with numerous General Motors and related brand vehicles, including Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, and Saab. It fits models such as the Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, Hummer H2, Isuzu Ascender, and Saab 9-7x, among others. The S-749 is ideal for replacing worn or damaged brake light switch connectors in these vehicles to restore proper brake light function.

  • Restores brake light circuit connectivity
  • Replaces damaged or corroded connectors
  • Prevents intermittent brake light failures
  • Ensures secure electrical connections in brake systems
  • Supports multi-wire brake light switch configurations

Installation Notes and Tips

When installing the Standard Ignition S-749 connector, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Verify the connector orientation matches the original part, noting the male connector gender and female terminal configuration. Use appropriate tools to crimp or secure terminals if necessary, and confirm all six wires are properly connected to their corresponding circuits. A 7-inch harness length allows for flexible routing within the engine bay or under the dashboard.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The S-749 brake light switch connector undergoes rigorous quality control to maintain consistent electrical conductivity and fitment. While specific warranty details may vary, Standard Ignition typically offers coverage against manufacturing defects to provide confidence in the product’s longevity.

BrandStandard Ignition
Part NumberS-749
Connector GenderMale
Harness Length - inches7"
Terminal GenderFemale
Terminal TypePin Socket

This part fits 500 vehicles. Search below:

YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2009ChevroletTrailblazerN/A
2009ChevroletTraverseN/A
2009GMCEnvoyN/A
2009Saab9-7xN/A
2008ChevroletTrailblazerN/A
2008GMCEnvoyN/A
2008IsuzuAscenderN/A
2008Saab9-7xN/A
2007BuickRainierN/A
2007ChevroletExpress 1500N/A
2007ChevroletExpress 2500N/A
2007ChevroletExpress 3500N/A
2007ChevroletSilverado 1500 ClassicN/A
2007ChevroletSilverado 2500 HD ClassicN/A
2007ChevroletSilverado 3500 HDN/A
2007ChevroletTrailblazerN/A
2007GMCEnvoyN/A
2007GMCSavana 1500N/A
2007GMCSavana 2500N/A
2007GMCSavana 3500N/A
2007GMCSierra 1500 ClassicN/A
2007GMCSierra 2500 HD ClassicN/A
2007HummerH2N/A
2007IsuzuAscenderN/A
2007Saab9-7xN/A
2006BuickRainierN/A
2006CadillacEscaladeN/A
2006CadillacEscalade ESVN/A
2006CadillacEscalade EXTN/A
2006ChevroletAvalanche 1500N/A
2006ChevroletAvalanche 2500N/A
2006ChevroletExpress 1500N/A
2006ChevroletExpress 2500N/A
2006ChevroletExpress 3500N/A
2006ChevroletSilverado 1500N/A
2006ChevroletSilverado 1500 HDN/ABlack; 6 Term. Female
2006ChevroletSilverado 2500 HDN/A
2006ChevroletSilverado 3500N/ABlack; 6 Term. Female
2006ChevroletSSRN/A
2006ChevroletSuburban 1500N/A
2006ChevroletSuburban 2500N/A
2006ChevroletTahoeN/A
2006ChevroletTrailblazerN/A
2006ChevroletTrailblazer EXTN/A
2006GMCEnvoyN/A
2006GMCEnvoy XLN/A
2006GMCSavana 1500N/A
2006GMCSavana 2500N/A
2006GMCSavana 3500N/A
2006GMCSierra 1500N/A
2006GMCSierra 1500 HDN/A
2006GMCSierra 2500 HDN/A
2006GMCSierra 3500N/A
2006GMCYukonN/A
2006GMCYukon XL 1500DenaliN/A
2006GMCYukon XL 2500N/A
2006HummerH2N/A
2006IsuzuAscenderN/A
2006Saab9-7xN/A
2005BuickRainierN/A
2005CadillacEscaladeN/A
2005CadillacEscalade ESVN/A
2005CadillacEscalade EXTN/A
2005ChevroletAstroN/A
2005ChevroletAvalanche 1500N/A
2005ChevroletAvalanche 2500N/A
2005ChevroletBlazerN/A
2005ChevroletExpress 1500N/A
2005ChevroletExpress 2500N/A
2005ChevroletExpress 3500N/A
2005ChevroletSilverado 1500N/A
2005ChevroletSilverado 1500 HDN/ABlack; 6 Term. Female
2005ChevroletSilverado 2500 HDN/A
2005ChevroletSilverado 3500N/ABlack; 6 Term. Female
2005ChevroletSSRN/A
2005ChevroletSuburban 1500N/A
2005ChevroletSuburban 2500N/A
2005ChevroletTahoeN/A
2005ChevroletTrailblazerN/A
2005ChevroletTrailblazer EXTN/A
2005GMCEnvoyN/A
2005GMCEnvoy XLN/A
2005GMCEnvoy XUVN/A
2005GMCJimmyN/A
2005GMCSafariN/A
2005GMCSavana 1500N/A
2005GMCSavana 2500N/A
2005GMCSavana 3500N/A
2005GMCSierra 1500N/A
2005GMCSierra 1500 HDN/A
2005GMCSierra 2500 HDN/A
2005GMCSierra 3500N/A
2005GMCYukonN/A
2005GMCYukon XL 1500DenaliN/A
2005GMCYukon XL 2500N/A
2005HummerH2N/A
2005IsuzuAscenderN/A
2005Saab9-7xN/A
2004BuickRainierN/ABlack; 6 Term. Female
2004CadillacEscaladeN/A
2004CadillacEscalade ESVN/A
2004CadillacEscalade EXTN/A
2004ChevroletAstroN/A
2004ChevroletAvalanche 1500N/A
2004ChevroletAvalanche 2500N/A
2004ChevroletBlazerN/A
2004ChevroletExpress 1500N/A
2004ChevroletExpress 2500N/A
2004ChevroletExpress 3500N/A
2004ChevroletS10N/A
2004ChevroletSilverado 1500N/A
2004ChevroletSilverado 2500N/ABlack; 6 Term. Female
2004ChevroletSilverado 2500 HDN/A
2004ChevroletSilverado 3500N/ABlack; 6 Term. Female
2004ChevroletSSRN/A
2004ChevroletSuburban 1500N/A
2004ChevroletSuburban 2500N/A
2004ChevroletTahoeN/A
2004ChevroletTrailblazerN/A
2004ChevroletTrailblazer EXTN/A
2004GMCEnvoyN/A
2004GMCEnvoy XLN/A
2004GMCEnvoy XUVN/A
2004GMCJimmyN/A
2004GMCSafariN/A
2004GMCSavana 1500N/A
2004GMCSavana 2500N/A
2004GMCSavana 3500N/A
2004GMCSierra 1500N/A
2004GMCSierra 2500N/A
2004GMCSierra 2500 HDN/A
2004GMCSierra 3500N/A
2004GMCSonomaN/A
2004GMCYukonN/A
2004GMCYukon XL 1500DenaliN/A
2004GMCYukon XL 2500N/A
2004HummerH2N/A
2004IsuzuAscenderN/A
2004OldsmobileBravadaN/ABlack; 6 Term. Female
2003CadillacEscaladeN/A
2003CadillacEscalade ESVN/A
2003CadillacEscalade EXTN/A
2003ChevroletAstroN/A
2003ChevroletAvalanche 1500N/A
2003ChevroletAvalanche 2500N/A
2003ChevroletBlazerN/A
2003ChevroletExpress 1500N/A
2003ChevroletExpress 2500N/A
2003ChevroletExpress 3500N/A
2003ChevroletS10N/A
2003ChevroletSilverado 1500N/A
2003ChevroletSilverado 2500 HDN/A
2003ChevroletSSRN/A
2003ChevroletSuburban 1500N/A
2003ChevroletSuburban 2500N/A
2003ChevroletTahoeN/A
2003ChevroletTrailblazerN/A
2003ChevroletTrailblazer EXTN/A
2003GMCEnvoyN/A
2003GMCEnvoy XLN/A
2003GMCJimmyN/A
2003GMCSafariN/A
2003GMCSavana 1500N/A
2003GMCSavana 2500N/A
2003GMCSavana 3500N/A
2003GMCSierra 1500 HDN/A
2003GMCSierra 2500N/A
2003GMCSierra 2500 HDN/A
2003GMCSierra 3500N/A
2003GMCSonomaN/A
2003GMCYukonN/A
2003GMCYukon XL 1500DenaliN/A
2003GMCYukon XL 2500N/A
2003HummerH2N/ABlack; 6 Term. Female
2003IsuzuAscenderN/A
2003OldsmobileBravadaN/A
2002CadillacEscaladeN/A
2002CadillacEscalade EXTN/A
2002ChevroletAstroN/A
2002ChevroletAvalanche 1500N/A
2002ChevroletAvalanche 2500N/A
2002ChevroletBlazerN/A
2002ChevroletExpress 1500N/A
2002ChevroletExpress 2500N/A
2002ChevroletExpress 3500N/A
2002ChevroletS10N/A
2002ChevroletSilverado 1500N/A
2002ChevroletSilverado 1500 HDN/A
2002ChevroletSilverado 2500N/A
2002ChevroletSilverado 2500 HDN/A
2002ChevroletSilverado 3500N/A
2002ChevroletSuburban 1500N/A
2002ChevroletSuburban 2500N/A
2002ChevroletTahoeN/A
2002ChevroletTrailblazerN/A
2002ChevroletTrailblazer EXTN/A
2002GMCEnvoyN/A
2002GMCEnvoy XLN/A
2002GMCJimmyN/A
2002GMCSafariN/A
2002GMCSavana 1500N/A
2002GMCSavana 2500N/A
2002GMCSavana 3500N/A
2002GMCSierra 1500N/A
2002GMCSierra 1500 HDN/A
2002GMCSierra 2500N/A
2002GMCSierra 2500 HDN/A
2002GMCSierra 3500N/A
2002GMCSonomaN/A
2002GMCYukonN/A
2002GMCYukon XL 1500N/A
2002GMCYukon XL 2500N/A
2002HummerH1N/A
2002OldsmobileBravadaN/A
2001ChevroletAstroN/A
2001ChevroletBlazerN/A
2001ChevroletC1500N/A
2001ChevroletExpress 1500N/A
2001ChevroletExpress 2500N/A
2001ChevroletExpress 3500N/A
2001ChevroletS10N/A
2001ChevroletSilverado 1500N/A
2001ChevroletSilverado 1500 HDN/A
2001ChevroletSilverado 2500N/A
2001ChevroletSilverado 2500 HDN/A
2001ChevroletSilverado 3500N/A
2001ChevroletSuburban 1500N/A
2001ChevroletSuburban 2500N/A
2001ChevroletTahoeN/A
2001GMCJimmyN/A
2001GMCSafariN/A
2001GMCSavana 1500N/A
2001GMCSavana 2500N/A
2001GMCSavana 3500N/A
2001GMCSierra 1500N/A
2001GMCSierra 1500 HDN/A
2001GMCSierra 2500N/A
2001GMCSierra 2500 HDN/A
2001GMCSierra 3500N/A
2001GMCSonomaN/A
2001GMCYukonN/A
2001GMCYukon XL 1500N/A
2001GMCYukon XL 2500N/A
2001OldsmobileBravadaN/A
2000CadillacEscaladeN/A
2000ChevroletAstroN/A
2000ChevroletBlazerN/A
2000ChevroletC2500N/A
2000ChevroletC3500N/A
2000ChevroletExpress 1500N/A
2000ChevroletExpress 2500N/A
2000ChevroletExpress 3500N/A
2000ChevroletK2500N/A
2000ChevroletK3500N/A
2000ChevroletS10N/A
2000ChevroletSilverado 1500N/A
2000ChevroletSilverado 2500N/A
2000ChevroletSuburban 1500N/A
2000ChevroletSuburban 2500N/A
2000ChevroletTahoeN/A
2000GMCC2500N/A
2000GMCC3500N/A
2000GMCJimmyN/A
2000GMCK2500N/A
2000GMCK3500N/A
2000GMCSafariN/A
2000GMCSavana 1500N/A
2000GMCSavana 2500N/A
2000GMCSavana 3500N/A
2000GMCSierra 1500N/A
2000GMCSierra 2500N/A
2000GMCSonomaN/A
2000GMCYukonN/A
2000GMCYukon XL 1500N/A
2000GMCYukon XL 2500N/A
2000IsuzuHombreN/A
2000OldsmobileBravadaN/A
1999CadillacEscaladeN/A
1999ChevroletAstroN/A
1999ChevroletBlazerN/A
1999ChevroletC1500N/A
1999ChevroletC1500 SuburbanN/A
1999ChevroletC2500N/A
1999ChevroletC2500 SuburbanN/A
1999ChevroletC3500N/A
1999ChevroletExpress 1500N/A
1999ChevroletExpress 2500N/A
1999ChevroletExpress 3500N/A
1999ChevroletK1500N/A
1999ChevroletK1500 SuburbanN/A
1999ChevroletK2500N/A
1999ChevroletK2500 SuburbanN/A
1999ChevroletK3500N/A
1999ChevroletS10N/A
1999ChevroletSilverado 1500N/A
1999ChevroletSilverado 2500N/A
1999ChevroletSuburban 1500N/A
1999ChevroletTahoeN/A
1999GMCC1500N/A
1999GMCC1500 SuburbanN/A
1999GMCC2500N/A
1999GMCC2500 SuburbanN/A
1999GMCC3500N/A
1999GMCJimmyN/A
1999GMCK1500N/A
1999GMCK1500 SuburbanN/A
1999GMCK2500N/A
1999GMCK2500 SuburbanN/A
1999GMCK3500N/A
1999GMCP3500Stripped ChassisN/A
1999GMCSafariN/A
1999GMCSavana 1500N/A
1999GMCSavana 2500N/A
1999GMCSavana 3500N/A
1999GMCSierra 1500N/A
1999GMCSierra 2500N/A
1999GMCSonomaN/A
1999GMCYukonN/A
1999IsuzuHombreN/A
1999OldsmobileBravadaN/A
1998ChevroletAstroN/A
1998ChevroletBlazerN/A
1998ChevroletC1500N/A
1998ChevroletC1500 SuburbanN/A
1998ChevroletC2500N/A
1998ChevroletC2500 SuburbanN/A
1998ChevroletC3500N/A
1998ChevroletExpress 1500N/A
1998ChevroletExpress 2500N/A
1998ChevroletExpress 3500N/A
1998ChevroletK1500N/A
1998ChevroletK1500 SuburbanN/A
1998ChevroletK2500N/A
1998ChevroletK2500 SuburbanN/A
1998ChevroletK3500N/A
1998ChevroletS10N/A
1998ChevroletSilveradoN/A
1998ChevroletSuburban 1500N/A
1998ChevroletTahoeN/A
1998GMCC1500N/A
1998GMCC1500 SuburbanN/A
1998GMCC2500N/A
1998GMCC2500 SuburbanN/A
1998GMCC3500N/A
1998GMCJimmyN/A
1998GMCK1500N/A
1998GMCK1500 SuburbanN/A
1998GMCK2500N/A
1998GMCK2500 SuburbanN/A
1998GMCK3500N/A
1998GMCP3500Stripped ChassisN/A
1998GMCSafariN/A
1998GMCSavana 1500N/A
1998GMCSavana 2500N/A
1998GMCSavana 3500N/A
1998GMCSonomaN/A
1998GMCYukonN/A
1998IsuzuHombreN/A
1998OldsmobileBravadaN/A
1997ChevroletAstroN/A
1997ChevroletBlazerN/A
1997ChevroletC1500N/A
1997ChevroletC1500 SuburbanN/A
1997ChevroletC2500N/A
1997ChevroletC2500 SuburbanN/A
1997ChevroletC3500N/A
1997ChevroletExpress 1500N/A
1997ChevroletExpress 2500N/A
1997ChevroletExpress 3500N/A
1997ChevroletK1500N/A
1997ChevroletK1500 SuburbanN/A
1997ChevroletK2500N/A
1997ChevroletK2500 SuburbanN/A
1997ChevroletK3500N/A
1997ChevroletS10N/A
1997ChevroletSilverado5.7LV8N/A
1997ChevroletSuburban 1500N/A
1997ChevroletTahoeN/A
1997GMCC1500N/A
1997GMCC1500 SuburbanN/A
1997GMCC2500N/A
1997GMCC2500 SuburbanN/A
1997GMCC3500N/A
1997GMCJimmyN/A
1997GMCK1500N/A
1997GMCK1500 SuburbanN/A
1997GMCK2500N/A
1997GMCK2500 SuburbanN/A
1997GMCK3500N/A
1997GMCSafariN/A
1997GMCSavana 1500N/A
1997GMCSavana 2500N/A
1997GMCSavana 3500N/A
1997GMCSonomaN/A
1997GMCYukonN/A
1997IsuzuHombreN/A
1997OldsmobileBravadaN/A
1996ChevroletAstroN/A
1996ChevroletBlazerN/A
1996ChevroletC1500N/A
1996ChevroletC1500 SuburbanN/A
1996ChevroletC2500N/A
1996ChevroletC2500 SuburbanN/A
1996ChevroletC3500N/A
1996ChevroletExpress 1500N/A
1996ChevroletExpress 2500N/A
1996ChevroletExpress 3500N/A
1996ChevroletG30N/A
1996ChevroletK1500N/A
1996ChevroletK1500 SuburbanN/A
1996ChevroletK2500N/A
1996ChevroletK2500 SuburbanN/A
1996ChevroletK3500N/A
1996ChevroletS10N/A
1996ChevroletSilverado5.7LV8N/A
1996ChevroletSuburban 1500N/A
1996ChevroletTahoeN/A
1996GMCC1500N/A
1996GMCC1500 SuburbanN/A
1996GMCC2500N/A
1996GMCC2500 SuburbanN/A
1996GMCC3500N/A
1996GMCG3500N/A
1996GMCJimmyN/A
1996GMCK1500N/A
1996GMCK1500 SuburbanN/A
1996GMCK2500N/A
1996GMCK2500 SuburbanN/A
1996GMCK3500N/A
1996GMCSafariN/A
1996GMCSavana 1500N/A
1996GMCSavana 2500N/A
1996GMCSavana 3500N/A
1996GMCSonomaN/A
1996GMCYukonN/A
1996IsuzuHombreN/A
1996OldsmobileBravadaN/A
1995ChevroletAstroN/A
1995ChevroletBlazerN/A
1995ChevroletC1500N/A
1995ChevroletC1500 SuburbanN/A
1995ChevroletC2500N/A
1995ChevroletC2500 SuburbanN/A
1995ChevroletC3500N/A
1995ChevroletG10N/A
1995ChevroletG20N/A
1995ChevroletG30N/A
1995ChevroletK1500N/A
1995ChevroletK1500 SuburbanN/A
1995ChevroletK2500N/A
1995ChevroletK2500 SuburbanN/A
1995ChevroletK3500N/A
1995ChevroletS10N/A
1995ChevroletSilverado5.7LV8N/A
1995ChevroletSuburban 1500N/A
1995ChevroletTahoeN/A
1995GMCC1500N/A
1995GMCC1500 SuburbanN/A
1995GMCC2500N/A
1995GMCC3500N/A
1995GMCG1500N/A
1995GMCG2500N/A
1995GMCG3500N/A
1995GMCJimmyN/A
1995GMCK1500N/A
1995GMCK1500 SuburbanN/A
1995GMCK2500N/A
1995GMCK2500 SuburbanN/A
1995GMCK3500N/A
1995GMCSafariN/A
1995GMCSonomaN/A
1995GMCYukonN/A
1994ChevroletAstroN/A
1994ChevroletC1500N/A
1994ChevroletC1500 SuburbanN/A
1994ChevroletC2500N/A
1994ChevroletC3500N/A
1994ChevroletG10N/A
1994ChevroletG20N/A
1994ChevroletG30N/A
1994ChevroletK1500N/A
1994ChevroletK1500 SuburbanN/A
1994ChevroletK2500N/A
1994ChevroletK2500 SuburbanN/A
1994ChevroletK3500N/A
1994ChevroletS10N/A
1994GMCC1500N/A
1994GMCC1500 SuburbanN/A
1994GMCC2500N/A
1994GMCC3500N/A
1994GMCG1500N/A
1994GMCG2500N/A
1994GMCG3500N/A
1994GMCK1500N/A
1994GMCK1500 SuburbanN/A
1994GMCK2500N/A
1994GMCK2500 SuburbanN/A
1994GMCK3500N/A
1994GMCSafariN/A
1994GMCSonomaN/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:

121027631P130557-4752673EC207PT5701PTC1139

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