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Standard Ignition S-1498 Headlight Switch ConnectorOE Quality 60-Day Returns
Part #: S-1498

Standard Ignition S-1498 Headlight Switch Connector

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Fitment: Buick, Cadillac, Chevrolet, GMC, Hummer, and Isuzu, Avalanche 1500, Avalanche 2500, Canyon, Colorado, Escalade, Escalade ESV, Escalade EXT, H2, H3, H3T, i-280, i-290, i-350, i-370, Rendezvous, Sierra 1500, Sierra 1500 Classic, Sierra 1500 HD, Sierra 1500 HD Classic, Sierra 2500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD, Silverado 1500, Silverado 1500 Classic, Silverado 1500 HD, Silverado 1500 HD Classic, Silverado 2500, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, Silverado 3500 HD, Suburban 1500, Suburban 2500, Tahoe, Yukon, Yukon XL 1500, and Yukon XL 2500
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Headlight Switch Connector for GM Applications

Standard Ignition S-1498 is a headlight switch connector built for direct electrical repair on a wide range of GM trucks and SUVs. It uses high-grade materials to support strong conductivity and secure terminal contact, helping restore reliable lighting circuit performance.

Compatible With Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and related applications, this connector is a practical replacement when the original headlight switch plug is heat-damaged, loose, or corroded. The S-1498 is also used on select Hummer, Buick, and Isuzu models with the listed equipment configurations.

Key Features

  • Brand: Standard Ignition
  • Part Number: S-1498
  • Headlight switch connector with male connector gender
  • 14 female pin socket terminals
  • 14-wire harness with 17-inch harness length
  • Includes butt splices for wire repair
  • Built with materials selected for dependable conductivity and connection integrity

Detailed Description

The Standard Ignition S-1498 headlight switch connector is designed for electrical connector repair where the original headlight switch plug has failed. It is a direct-fit style repair connector for many 2002-2012 Chevrolet, GMC, Cadillac, Hummer, Buick, and Isuzu vehicles, including Chevrolet Silverado 1500, GMC Sierra 2500 HD, and Cadillac Escalade applications. Standard Ignition develops pigtails and sockets to address common failure points in original equipment connectors, and this part follows that approach with a 14-terminal female socket layout and a 17-inch lead length.

This part cross-references 1P3391 and PT997 for the same application. If you are searching for a Standard Ignition S-1498 headlight switch connector for Chevrolet Silverado or GMC Sierra repair, this connector matches the listed OE-style configuration and terminal count.

Common Problems It Can Help Solve

  • Intermittent or inoperative headlight switch operation
  • Heat damage at the switch connector
  • Loose terminal contact causing lighting faults
  • Corrosion or broken wires at the connector body
  • Failed plug connection on GM headlight switch wiring

Installation Notes and Tips

  • Verify the vehicle’s connector style, terminal count, and equipment notes before installation.
  • Match the existing wiring layout to the 14-wire harness and terminal positions.
  • Use the included butt splices to make secure wire-to-wire repairs.
  • Inspect the switch and surrounding wiring for heat damage before connecting the new pigtail.
  • Confirm fitment on vehicles with fog lights or auto headlights where noted in the application list.

Quality Assurance

Standard Ignition uses high-grade materials and long-standing engineering experience to produce electrical repair connectors that address common OE failure points. The S-1498 is built for dependable conductivity and consistent terminal engagement across the listed applications.

  • Fits 2004-2012 Chevrolet Colorado, N/A
  • Fits 2004-2012 GMC Canyon, N/A
  • Fits 2006-2010 Hummer H3, N/A
  • Fits 2009-2010 Hummer H3T, N/A
  • Fits 2007-2008 Isuzu i-290, N/A, compatible with vehicles equipped with fog lights
  • Fits 2007-2008 Isuzu i-370, N/A, compatible with vehicles equipped with fog lights
  • Fits 2006-2007 Buick Rendezvous, N/A, Green; 14 Term. Female
  • Fits 2003-2007 Chevrolet Silverado 1500, N/A
  • Fits 2007 Chevrolet Silverado 1500 Classic, N/A
  • Fits 2007 Chevrolet Silverado 1500 HD Classic, N/A
  • Fits 2003-2007 Chevrolet Silverado 2500 HD, N/A
  • Fits 2007 Chevrolet Silverado 2500 HD Classic, N/A
  • Fits 2003-2007 Chevrolet Silverado 3500, N/A
  • Fits 2007 Chevrolet Silverado 3500 Classic, N/A
  • Fits 2007 Chevrolet Silverado 3500 HD, N/A
  • Fits 2003-2007 GMC Sierra 1500, N/A
  • Fits 2007 GMC Sierra 1500 Classic, N/A
  • Fits 2007 GMC Sierra 1500 HD Classic, N/A
  • Fits 2003-2007 GMC Sierra 2500 HD, N/A
  • Fits 2007 GMC Sierra 2500 HD Classic, N/A
  • Fits 2007 GMC Sierra 3500 Classic, N/A
  • Fits 2007 GMC Sierra 3500 HD, N/A
  • Fits 2003-2007 Hummer H2, N/A
  • Fits 2004-2006 Cadillac Escalade, N/A
  • Fits 2004-2006 Cadillac Escalade ESV, N/A
  • Fits 2004-2006 Cadillac Escalade EXT, N/A
  • Fits 2003-2006 Chevrolet Avalanche 1500, N/A
  • Fits 2003-2006 Chevrolet Avalanche 2500, N/A
  • Fits 2005-2006 Chevrolet Silverado 1500 HD, N/A
  • Fits 2003 Chevrolet Silverado 1500 HD, N/A
  • Fits 2003-2006 Chevrolet Silverado 2500, N/A
  • Fits 2003-2006 Chevrolet Suburban 1500, N/A
  • Fits 2003-2006 Chevrolet Suburban 2500, N/A
  • Fits 2003-2006 Chevrolet Tahoe, N/A
  • Fits 2005-2006 GMC Sierra 1500 HD, N/A
  • Fits 2003 GMC Sierra 1500 HD, N/A
  • Fits 2003-2006 GMC Sierra 3500, N/A
  • Fits 2004-2006 GMC Yukon, N/A
  • Fits 2004-2006 GMC Yukon XL 1500, N/A
  • Fits 2004-2006 GMC Yukon XL 2500, N/A
  • Fits 2006 Isuzu i-280, N/A, fits vehicles with fog lights and auto headlights
  • Fits 2006 Isuzu i-350, N/A, fits vehicles with fog lights and auto headlights
  • Fits 2002-2005 Buick Rendezvous, N/A
  • Fits 2003-2004 Chevrolet Silverado 1500, N/A, Green; 14 Term. Female
  • Fits 2003-2004 Chevrolet Silverado 2500, N/A, Green; 14 Term. Female
  • Fits 2003-2004 Chevrolet Silverado 2500 HD, N/A, Green; 14 Term. Female
  • Fits 2003-2004 Chevrolet Silverado 3500, N/A, Green; 14 Term. Female
  • Fits 2004 GMC Sierra 1500, N/A, Green; 14 Term. Female
  • Fits 2004 GMC Sierra 2500, N/A, Green; 14 Term. Female
  • Fits 2003-2004 GMC Sierra 2500, N/A
  • Fits 2004 GMC Sierra 2500 HD, N/A, Green; 14 Term. Female
  • Fits 2004 GMC Sierra 3500, N/A, Green; 14 Term. Female
  • Fits 2003 Cadillac Escalade, N/A, Green; 14 Term. Female
  • Fits 2003 Cadillac Escalade ESV, N/A, Green; 14 Term. Female
  • Fits 2003 Cadillac Escalade EXT, N/A, Green; 14 Term. Female
  • Fits 2003 Chevrolet Silverado 1500 HD, N/A, Green; 14 Term. Female
  • Fits 2003 Chevrolet Suburban 1500, N/A, Green; 14 Term. Female
  • Fits 2003 Chevrolet Suburban 2500, N/A, Green; 14 Term. Female
  • Fits 2003 Chevrolet Tahoe, N/A, Green; 14 Term. Female
  • Fits 2003 GMC Yukon, N/A, Green; 14 Term. Female
  • Fits 2003 GMC Yukon XL 1500, N/A, Green; 14 Term. Female
  • Fits 2003 GMC Yukon XL 2500, N/A, Green; 14 Term. Female
BrandStandard Ignition
Part NumberS-1498
Connector GenderMale
Connector Quantity1
ContentsIncludes butt splices
Harness Length - inches17"
Terminal GenderFemale
Terminal Quantity14
Terminal TypePin socket
Wire Quantity14

This part fits 154 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012ChevroletColoradoN/A
2012GMCCanyonN/A
2011ChevroletColoradoN/A
2011GMCCanyonN/A
2010ChevroletColoradoN/A
2010GMCCanyonN/A
2010HummerH3N/A
2010HummerH3TN/A
2009ChevroletColoradoN/A
2009GMCCanyonN/A
2009HummerH3N/A
2009HummerH3T3.7LL5N/A
2009HummerH3TN/A
2008ChevroletColoradoN/A
2008GMCCanyonN/A
2008HummerH3N/A
2008Isuzui-2902.9LL4N/ACompatible with vehicles equipped with fog lights.
2008Isuzui-3703.7LL5N/ACompatible with vehicles equipped with fog lights.
2007BuickRendezvousN/AGreen; 14 Term. Female
2007ChevroletColoradoN/A
2007ChevroletSilverado 1500N/A
2007ChevroletSilverado 1500 ClassicN/A
2007ChevroletSilverado 1500 HD ClassicN/A
2007ChevroletSilverado 2500 HDN/A
2007ChevroletSilverado 2500 HD ClassicN/A
2007ChevroletSilverado 3500N/A
2007ChevroletSilverado 3500 ClassicN/A
2007ChevroletSilverado 3500 HDN/A
2007GMCCanyonN/A
2007GMCSierra 1500N/A
2007GMCSierra 1500 ClassicN/A
2007GMCSierra 1500 HD ClassicN/A
2007GMCSierra 2500 HDN/A
2007GMCSierra 2500 HD ClassicN/A
2007GMCSierra 3500 ClassicN/A
2007GMCSierra 3500 HDN/A
2007HummerH2N/A
2007HummerH3N/A
2007Isuzui-2902.9LL4N/ACompatible with vehicles equipped with fog lights.
2007Isuzui-3703.7LL5N/ACompatible with vehicles equipped with fog lights.
2006BuickRendezvousN/AGreen; 14 Term. Female
2006CadillacEscaladeN/A
2006CadillacEscalade ESVN/A
2006CadillacEscalade EXTN/A
2006ChevroletAvalanche 1500N/A
2006ChevroletAvalanche 2500N/A
2006ChevroletColoradoN/A
2006ChevroletSilverado 1500N/A
2006ChevroletSilverado 1500 HDN/A
2006ChevroletSilverado 2500N/A
2006ChevroletSilverado 2500 HDN/A
2006ChevroletSilverado 3500N/A
2006ChevroletSuburban 1500N/A
2006ChevroletSuburban 2500N/A
2006ChevroletTahoeN/A
2006GMCCanyonN/A
2006GMCSierra 1500N/A
2006GMCSierra 1500 HDN/A
2006GMCSierra 2500 HDN/A
2006GMCSierra 3500N/A
2006GMCYukonN/A
2006GMCYukon XL 1500N/A
2006GMCYukon XL 2500N/A
2006HummerH2N/A
2006HummerH3N/A
2006Isuzui-2802.8LL4N/AFits vehicles with Fog Lights and Auto Headlights.
2006Isuzui-3503.5LL5N/AFits vehicles with Fog Lights and Auto Headlights.
2005BuickRendezvousN/A
2005CadillacEscaladeN/A
2005CadillacEscalade ESVN/A
2005CadillacEscalade EXTN/A
2005ChevroletAvalanche 1500N/A
2005ChevroletAvalanche 2500N/A
2005ChevroletColoradoN/A
2005ChevroletSilverado 1500N/A
2005ChevroletSilverado 1500 HDN/A
2005ChevroletSilverado 2500N/A
2005ChevroletSilverado 2500 HDN/A
2005ChevroletSilverado 3500N/A
2005ChevroletSuburban 1500N/A
2005ChevroletSuburban 2500N/A
2005ChevroletTahoeN/A
2005GMCCanyonN/A
2005GMCSierra 1500N/A
2005GMCSierra 1500 HDN/A
2005GMCSierra 2500 HDN/A
2005GMCSierra 3500N/A
2005GMCYukonN/A
2005GMCYukon XL 1500N/A
2005GMCYukon XL 2500N/A
2005HummerH2N/A
2004BuickRendezvousN/A
2004CadillacEscaladeN/A
2004CadillacEscalade ESVN/A
2004CadillacEscalade EXTN/A
2004ChevroletAvalanche 1500N/A
2004ChevroletAvalanche 2500N/A
2004ChevroletColoradoN/A
2004ChevroletSilverado 1500N/AGreen; 14 Term. Female
2004ChevroletSilverado 1500N/A
2004ChevroletSilverado 2500N/AGreen; 14 Term. Female
2004ChevroletSilverado 2500N/A
2004ChevroletSilverado 2500 HDN/AGreen; 14 Term. Female
2004ChevroletSilverado 2500 HDN/A
2004ChevroletSilverado 3500N/AGreen; 14 Term. Female
2004ChevroletSilverado 3500N/A
2004ChevroletSuburban 1500N/A
2004ChevroletSuburban 2500N/A
2004ChevroletTahoeN/A
2004GMCCanyonN/A
2004GMCSierra 1500N/AGreen; 14 Term. Female
2004GMCSierra 1500N/A
2004GMCSierra 2500N/AGreen; 14 Term. Female
2004GMCSierra 2500N/A
2004GMCSierra 2500 HDN/AGreen; 14 Term. Female
2004GMCSierra 2500 HDN/A
2004GMCSierra 3500N/AGreen; 14 Term. Female
2004GMCSierra 3500N/A
2004GMCYukonN/A
2004GMCYukon XL 1500N/A
2004GMCYukon XL 2500N/A
2004HummerH2N/A
2003BuickRendezvousN/A
2003CadillacEscaladeN/AGreen; 14 Term. Female
2003CadillacEscalade ESVN/AGreen; 14 Term. Female
2003CadillacEscalade EXTN/AGreen; 14 Term. Female
2003ChevroletAvalanche 1500N/A
2003ChevroletAvalanche 2500N/A
2003ChevroletSilverado 1500N/AGreen; 14 Term. Female
2003ChevroletSilverado 1500N/A
2003ChevroletSilverado 1500 HDN/AGreen; 14 Term. Female
2003ChevroletSilverado 1500 HDN/A
2003ChevroletSilverado 2500N/AGreen; 14 Term. Female
2003ChevroletSilverado 2500N/A
2003ChevroletSilverado 2500 HDN/AGreen; 14 Term. Female
2003ChevroletSilverado 2500 HDN/A
2003ChevroletSilverado 3500N/AGreen; 14 Term. Female
2003ChevroletSilverado 3500N/A
2003ChevroletSuburban 1500N/AGreen; 14 Term. Female
2003ChevroletSuburban 1500N/A
2003ChevroletSuburban 2500N/AGreen; 14 Term. Female
2003ChevroletSuburban 2500N/A
2003ChevroletTahoeN/AGreen; 14 Term. Female
2003ChevroletTahoeN/A
2003GMCSierra 1500N/A
2003GMCSierra 1500 HDN/A
2003GMCSierra 2500N/A
2003GMCSierra 2500 HDN/A
2003GMCSierra 3500N/A
2003GMCYukonN/AGreen; 14 Term. Female
2003GMCYukon XL 1500N/AGreen; 14 Term. Female
2003GMCYukon XL 2500N/AGreen; 14 Term. Female
2003HummerH2N/A
2002BuickRendezvousN/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:

1P339188986257EC996PT1585PT997

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