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Standard Ignition CBS-1446 Instrument Panel Dimmer SwitchOE Quality 60-Day Returns
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Part #: CBS-1446

Standard Ignition CBS-1446 Instrument Panel Dimmer Switch

⚙️ 248 vehicles fit this part
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🚗Fitment: Chevrolet, GMC, and Hummer, Express 2500, Express 3500, Savana 2500, Savana 3500, Express 1500, Silverado 2500 HD, Silverado 3500 HD, Suburban 1500, Tahoe, Savana 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL 1500, Silverado 1500, Suburban 2500, Sierra 1500, Yukon XL 2500, Avalanche, H2, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, Sierra 1500 Classic, and Sierra 2500 HD Classic
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Not what you need? Click here for all Instrument Panel Dimmer Switch options

Overview of Standard Ignition Instrument Panel Dimmer Switch

The Standard Ignition CBS-1446 Instrument Panel Dimmer Switch is designed for reliable control of dashboard lighting in select Chevrolet, GMC, and Hummer vehicles. This direct snap-fit switch ensures a secure and straightforward installation, maintaining proper illumination levels for your instrument panel.

  • Direct, snap fit attachment method for easy installation
  • Female rectangular connector with one connector for secure electrical connection
  • 16 male pin terminals providing stable and consistent contact
  • Operates on standard 12-volt electrical systems
  • Compatible with multiple Chevrolet, GMC, and Hummer models

Product Details and Specifications

The CBS-1446 dimmer switch features a female rectangular connector designed to interface with the vehicle’s wiring harness, ensuring a reliable electrical connection. It includes 16 male pin terminals, which provide a robust and stable connection to the instrument panel circuitry. The switch operates on a 12-volt system, matching the electrical requirements of the supported vehicles. Its direct snap-fit attachment method allows for a secure fit without the need for additional hardware, simplifying replacement or upgrade procedures.

Compatible Vehicles and Applications

This instrument panel dimmer switch is compatible with a range of Chevrolet, GMC, and Hummer models, including Chevrolet Avalanche, Express 1500/2500/3500, Silverado 1500/2500 HD/3500, Suburban 1500/2500, Tahoe, and Yukon series, as well as GMC Sierra 1500/2500 HD/3500 HD and Savana 1500/2500/3500. It is also suitable for Hummer H2 models. The part number CBS-1446 ensures precise fitment and function within these vehicles’ electrical systems.

Common Issues Addressed by the Dimmer Switch

  • Inconsistent or non-responsive instrument panel lighting
  • Flickering or dim dashboard lights during vehicle operation
  • Failure to adjust brightness levels of instrument cluster
  • Electrical connection problems causing dashboard illumination faults
  • Wear or damage to original dimmer switch components

Installation Notes and Tips

  • Ensure the vehicle’s battery is disconnected before installation to prevent electrical shorts
  • Verify the connector orientation matches the female rectangular connector on the switch
  • Use the direct snap-fit method to secure the switch firmly in place without forcing
  • Check all 16 male pin terminals for proper alignment and contact during installation
  • Test the dimmer switch functionality before reassembling the instrument panel

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The CBS-1446 instrument panel dimmer switch undergoes rigorous quality control to maintain consistent electrical and mechanical standards. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary by region or distributor.

BrandStandard Ignition
Part NumberCBS-1446
Attachment MethodDirect, Snap Fit
Connector GenderFemale
Connector ShapeRectangular
Terminal GenderMale
Terminal TypePin
Voltage12

This part fits 248 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025ChevroletExpress 25006.6LV8N/A
2025ChevroletExpress 3500N/A
2025GMCSavana 2500N/A
2024ChevroletExpress 25006.6LV8N/A
2024ChevroletExpress 3500N/A
2024GMCSavana 2500N/A
2023ChevroletExpress 25006.6LV8N/A
2023ChevroletExpress 3500N/A
2023GMCSavana 2500N/A
2022ChevroletExpress 25006.6LV8N/A
2022ChevroletExpress 3500N/A
2022GMCSavana 2500N/A
2021ChevroletExpress 25006.6LV8N/A
2021ChevroletExpress 3500N/A
2021GMCSavana 2500N/A
2020ChevroletExpress 2500N/A
2020ChevroletExpress 3500N/A
2020GMCSavana 2500N/A
2019ChevroletExpress 2500N/A
2019ChevroletExpress 3500N/A
2019GMCSavana 2500N/A
2019GMCSavana 3500N/A
2018ChevroletExpress 2500N/A
2018ChevroletExpress 3500N/A
2018GMCSavana 2500N/A
2018GMCSavana 3500N/A
2017ChevroletExpress 2500N/A
2017ChevroletExpress 3500N/A
2017GMCSavana 2500N/A
2017GMCSavana 3500N/A
2016ChevroletExpress 2500N/A
2016ChevroletExpress 3500N/A
2016GMCSavana 2500N/A
2016GMCSavana 3500N/A
2015ChevroletExpress 2500N/A
2015ChevroletExpress 3500N/A
2015GMCSavana 2500N/A
2015GMCSavana 3500N/A
2014ChevroletExpress 1500N/A
2014ChevroletExpress 2500N/A
2014ChevroletExpress 3500N/A
2014ChevroletSilverado 2500 HDN/Aw/o Fog Lights; Chrome Finish
2014ChevroletSilverado 3500 HDN/Aw/o Fog Lights; Chrome Finish
2014ChevroletSuburban 15005.3LV8N/Aw/o Fog Lights; Chrome Finish
2014ChevroletTahoe5.3LV8N/Aw/o Fog Lights; Chrome Finish
2014GMCSavana 1500N/A
2014GMCSavana 2500N/A
2014GMCSavana 3500N/A
2014GMCSierra 2500 HDN/Aw/o Fog Lights; Chrome Finish
2014GMCSierra 3500 HDN/Aw/o Fog Lights; Chrome Finish
2014GMCYukonN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2014GMCYukonN/Aw/o Fog Lights; Chrome Finish
2014GMCYukon XL 1500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2013ChevroletAvalanche5.3LV8N/A
2013ChevroletExpress 1500N/A
2013ChevroletExpress 2500N/A
2013ChevroletExpress 3500N/A
2013ChevroletSilverado 1500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2013ChevroletSilverado 1500N/Aw/o Fog Lights; Chrome Finish
2013ChevroletSilverado 2500 HDN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2013ChevroletSilverado 3500 HDN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2013ChevroletSuburban 1500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2013ChevroletSuburban 2500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2013ChevroletTahoe5.3LV8N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2013GMCSavana 1500N/A
2013GMCSavana 2500N/A
2013GMCSavana 3500N/A
2013GMCSierra 1500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2013GMCSierra 2500 HDN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2013GMCSierra 3500 HDN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2013GMCYukon5.3LV8N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2013GMCYukon6.2LV8N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2013GMCYukon XL 15005.3LV8N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2013GMCYukon XL 15006.2LV8N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2013GMCYukon XL 2500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2012ChevroletAvalancheN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2012ChevroletExpress 1500N/A
2012ChevroletExpress 2500N/A
2012ChevroletExpress 3500N/A
2012ChevroletSilverado 1500N/ANot compatible with vehicles equipped with Fog Lights.
2012ChevroletSilverado 2500 HDN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2012ChevroletSilverado 3500 HDN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2012ChevroletSuburban 1500N/Aw/o Fog Lights; Chrome Finish
2012ChevroletSuburban 15005.3LV8N/Aw/o Fog Lights; Chrome Finish
2012ChevroletSuburban 15006.0LV8N/Aw/o Fog Lights; Chrome Finish
2012ChevroletSuburban 2500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2012ChevroletTahoeN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2012GMCSavana 1500N/A
2012GMCSavana 2500N/A
2012GMCSavana 3500N/A
2012GMCSierra 1500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2012GMCSierra 2500 HDN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2012GMCSierra 3500 HDN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2012GMCYukon5.3LV8N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2012GMCYukon6.2LV8N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2012GMCYukon XL 15005.3LV8N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2012GMCYukon XL 15006.2LV8N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2012GMCYukon XL 2500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2011ChevroletAvalanche5.3LV8N/Aw/o Fog Lights; Chrome Finish
2011ChevroletAvalanche5.3LV8N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2011ChevroletExpress 15004.3LV6N/A
2011ChevroletExpress 15005.3LV8N/A
2011ChevroletExpress 1500N/A
2011ChevroletExpress 25006.0LV8N/A
2011ChevroletExpress 25006.6LV8N/A
2011ChevroletExpress 25004.8LV8N/A
2011ChevroletExpress 2500N/A
2011ChevroletExpress 35006.6LV8N/A
2011ChevroletExpress 35004.8LV8N/A
2011ChevroletExpress 35006.0LV8N/A
2011ChevroletExpress 3500N/A
2011ChevroletSilverado 15005.3LV8N/Aw/o Fog Lights; Chrome Finish
2011ChevroletSilverado 15006.0LV8N/Aw/o Fog Lights; Chrome Finish
2011ChevroletSilverado 15006.2LV8N/Aw/o Fog Lights; Chrome Finish
2011ChevroletSilverado 15004.8LV8N/Aw/o Fog Lights; Chrome Finish
2011ChevroletSilverado 15004.3LV6N/Aw/o Fog Lights; Chrome Finish
2011ChevroletSilverado 2500 HD6.6LV8N/Aw/o Fog Lights; Chrome Finish
2011ChevroletSilverado 2500 HD6.0LV8N/Aw/o Fog Lights; Chrome Finish
2011ChevroletSilverado 3500 HD6.6LV8N/Aw/o Fog Lights; Chrome Finish
2011ChevroletSilverado 3500 HD6.0LV8N/Aw/o Fog Lights; Chrome Finish
2011ChevroletSuburban 1500N/Aw/o Fog Lights; Chrome Finish
2011ChevroletSuburban 15005.3LV8N/Aw/o Fog Lights; Chrome Finish
2011ChevroletSuburban 15006.0LV8N/Aw/o Fog Lights; Chrome Finish
2011ChevroletSuburban 2500N/Aw/o Fog Lights; Chrome Finish
2011ChevroletSuburban 25006.0LV8N/Aw/o Fog Lights; Chrome Finish
2011ChevroletTahoe5.3LV8N/Aw/o Fog Lights; Chrome Finish
2011ChevroletTahoe6.0LV8N/Aw/o Fog Lights; Chrome Finish
2011ChevroletTahoeN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2011GMCSavana 1500N/A
2011GMCSavana 2500N/A
2011GMCSavana 3500N/A
2011GMCSierra 15006.2LV8N/Aw/o Fog Lights; Chrome Finish
2011GMCSierra 15004.3LV6N/Aw/o Fog Lights; Chrome Finish
2011GMCSierra 15004.8LV8N/Aw/o Fog Lights; Chrome Finish
2011GMCSierra 15006.0LV8N/Aw/o Fog Lights; Chrome Finish
2011GMCSierra 15005.3LV8N/Aw/o Fog Lights; Chrome Finish
2011GMCSierra 2500 HD6.0LV8N/Aw/o Fog Lights; Chrome Finish
2011GMCSierra 2500 HD6.6LV8N/Aw/o Fog Lights; Chrome Finish
2011GMCSierra 3500 HD6.0LV8N/Aw/o Fog Lights; Chrome Finish
2011GMCSierra 3500 HD6.6LV8N/Aw/o Fog Lights; Chrome Finish
2011GMCYukon5.3LV8N/Aw/o Fog Lights; Chrome Finish
2011GMCYukon6.0LV8N/Aw/o Fog Lights; Chrome Finish
2011GMCYukon6.2LV8N/Aw/o Fog Lights; Chrome Finish
2011GMCYukon XL 15006.2LV8N/Aw/o Fog Lights; Chrome Finish
2011GMCYukon XL 15005.3LV8N/Aw/o Fog Lights; Chrome Finish
2011GMCYukon XL 25006.0LV8N/Aw/o Fog Lights; Chrome Finish
2010ChevroletAvalanche5.3LV8N/Aw/o Fog Lights; Chrome Finish
2010ChevroletAvalancheN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2010ChevroletExpress 1500N/A
2010ChevroletExpress 2500N/A
2010ChevroletExpress 3500N/A
2010ChevroletSilverado 1500N/Aw/o Fog Lights; Chrome Finish
2010ChevroletSilverado 1500N/ANot compatible with vehicles equipped with Fog Lights.
2010ChevroletSilverado 2500 HDN/Aw/o Fog Lights; Chrome Finish
2010ChevroletSilverado 2500 HDN/ANot compatible with vehicles equipped with Fog Lights.
2010ChevroletSilverado 3500 HDN/Aw/o Fog Lights; Chrome Finish
2010ChevroletSilverado 3500 HDN/ANot compatible with vehicles equipped with Fog Lights.
2010ChevroletSuburban 1500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2010ChevroletSuburban 15005.3LV8N/Aw/o Fog Lights; Chrome Finish
2010ChevroletSuburban 2500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2010ChevroletSuburban 25006.0LV8N/Aw/o Fog Lights; Chrome Finish
2010ChevroletTahoe6.0LV8N/Aw/o Fog Lights; Chrome Finish
2010ChevroletTahoe5.3LV8N/Aw/o Fog Lights; Chrome Finish
2010ChevroletTahoeN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2010GMCSavana 1500N/A
2010GMCSavana 2500N/A
2010GMCSavana 3500N/A
2010GMCSierra 1500N/Aw/o Fog Lights; Chrome Finish
2010GMCSierra 1500N/ANot compatible with vehicles equipped with Fog Lights.
2010GMCSierra 2500 HDN/Aw/o Fog Lights; Chrome Finish
2010GMCSierra 2500 HDN/ANot compatible with vehicles equipped with Fog Lights.
2010GMCSierra 3500 HDN/Aw/o Fog Lights; Chrome Finish
2010GMCSierra 3500 HDN/ANot compatible with vehicles equipped with Fog Lights.
2010GMCYukon5.3LV8N/Aw/o Fog Lights; Chrome Finish
2010GMCYukon6.2LV8N/Aw/o Fog Lights; Chrome Finish
2010GMCYukon6.0LV8N/Aw/o Fog Lights; Chrome Finish
2010GMCYukonN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2010GMCYukon XL 1500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2010GMCYukon XL 15006.2LV8N/Aw/o Fog Lights; Chrome Finish
2010GMCYukon XL 15005.3LV8N/Aw/o Fog Lights; Chrome Finish
2010GMCYukon XL 25006.0LV8N/Aw/o Fog Lights; Chrome Finish
2010GMCYukon XL 2500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2009ChevroletAvalancheN/A
2009ChevroletExpress 1500N/A
2009ChevroletExpress 2500N/A
2009ChevroletExpress 3500N/A
2009ChevroletSilverado 1500N/Aw/o Fog Lights; Chrome Finish
2009ChevroletSilverado 2500 HDN/Aw/o Fog Lights; Chrome Finish
2009ChevroletSilverado 3500 HDN/Aw/o Fog Lights; Chrome Finish
2009ChevroletSuburban 1500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2009ChevroletSuburban 2500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2009ChevroletTahoeN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2009GMCSavana 1500N/A
2009GMCSavana 2500N/A
2009GMCSavana 3500N/A
2009GMCSierra 1500N/Aw/o Fog Lights; Chrome Finish
2009GMCSierra 2500 HDN/Aw/o Fog Lights; Chrome Finish
2009GMCSierra 3500 HDN/Aw/o Fog Lights; Chrome Finish
2009GMCYukonN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2009GMCYukon XL 1500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2009GMCYukon XL 15006.2LV8N/Aw/o Fog Lights; Chrome Finish
2009GMCYukon XL 15006.0LV8N/Aw/o Fog Lights; Chrome Finish
2009GMCYukon XL 15005.3LV8N/Aw/o Fog Lights; Chrome Finish
2009GMCYukon XL 2500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2009GMCYukon XL 25006.0LV8N/Aw/o Fog Lights; Chrome Finish
2009HummerH2N/Aw/o Heated Windshield Washer
2008ChevroletAvalancheN/A
2008ChevroletExpress 1500N/A
2008ChevroletExpress 2500N/A
2008ChevroletExpress 3500N/A
2008ChevroletSilverado 1500N/Aw/o Fog Lights; Chrome Finish
2008ChevroletSilverado 2500 HDN/Aw/o Fog Lights; Chrome Finish
2008ChevroletSilverado 3500 HDN/Aw/o Fog Lights; Chrome Finish
2008ChevroletSuburban 1500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2008ChevroletSuburban 2500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2008ChevroletTahoeN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2008GMCSavana 1500N/A
2008GMCSavana 2500N/A
2008GMCSavana 3500N/A
2008GMCSierra 1500N/Aw/o Fog Lights; Chrome Finish
2008GMCSierra 2500 HDN/Aw/o Fog Lights; Chrome Finish
2008GMCSierra 3500 HDN/Aw/o Fog Lights; Chrome Finish
2008GMCYukonN/ANot compatible with vehicles equipped with Fog Lights.
2008GMCYukon XL 15006.0LV8N/Aw/o Fog Lights; Chrome Finish
2008GMCYukon XL 15005.3LV8N/Aw/o Fog Lights; Chrome Finish
2008GMCYukon XL 15006.2LV8N/Aw/o Fog Lights; Chrome Finish
2008GMCYukon XL 1500N/ANot compatible with vehicles equipped with Fog Lights.
2008GMCYukon XL 2500N/ANot compatible with vehicles equipped with Fog Lights.
2008GMCYukon XL 25006.0LV8N/Aw/o Fog Lights; Chrome Finish
2008HummerH2N/Aw/o Heated Windshield Washer
2007ChevroletAvalanche5.3LV8N/A
2007ChevroletSilverado 1500N/Aw/o Fog Lights; Chrome Finish
2007ChevroletSilverado 2500 HDN/Aw/o Fog Lights; Chrome Finish
2007ChevroletSilverado 2500 HD ClassicN/Aw/o Fog Lights; Chrome Finish
2007ChevroletSilverado 3500N/Aw/o Fog Lights; Chrome Finish
2007ChevroletSilverado 3500 ClassicN/Aw/o Fog Lights; Chrome Finish
2007ChevroletSilverado 3500 HDN/Aw/o Fog Lights; Chrome Finish
2007ChevroletSuburban 1500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2007ChevroletSuburban 2500N/Aw/o Fog Lights; w/ Comfort and Convenience Package
2007ChevroletTahoeN/Aw/o Fog Lights; w/ Comfort and Convenience Package
2007GMCSierra 1500N/Aw/o Fog Lights; Chrome Finish
2007GMCSierra 1500 ClassicN/Aw/o Fog Lights; Chrome Finish
2007GMCSierra 2500 HDN/Aw/o Fog Lights; Chrome Finish
2007GMCSierra 2500 HD ClassicN/Aw/o Fog Lights; Chrome Finish
2007GMCSierra 3500 HDN/Aw/o Fog Lights; Chrome Finish
2007GMCYukonN/ANot compatible with vehicles equipped with Fog Lights.
2007GMCYukon XL 1500N/ANot compatible with vehicles equipped with Fog Lights.
2007GMCYukon XL 2500N/ANot compatible with vehicles equipped with Fog Lights.

* 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:

150968941S882753-22793599304920-053D1525JDL6846S14646SAC1642SW6296

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

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