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Standard Ignition HLS-1048 Instrument Panel Dimmer SwitchOE Quality 60-Day Returns
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Part #: HLS-1048

Standard Ignition HLS-1048 Instrument Panel Dimmer Switch

⚙️ 94 vehicles fit this part
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🚗Fitment: Chevrolet, GMC, Hummer, and Cadillac, Silverado 1500 Classic, Silverado 2500 HD Classic, Silverado 3500 Classic, Sierra 1500 Classic, Sierra 1500 HD Classic, Sierra 2500 HD Classic, Sierra 3500 Classic, H2, Escalade, Escalade ESV, Escalade EXT, Avalanche 1500, Avalanche 2500, Silverado 1500, Silverado 1500 HD, Silverado 2500, 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, and Sierra 2500
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Overview of Standard Ignition Instrument Panel Dimmer Switch

The Standard Ignition HLS-1048 Instrument Panel Dimmer Switch is designed for reliable control of your vehicle's dashboard lighting. Compatible with select Cadillac, Chevrolet, GMC, and Hummer models, this switch ensures precise dimming functionality for improved visibility and comfort while driving.

  • Direct snap fit attachment method for secure installation
  • Female rectangular connector with one connector for easy wiring
  • Combination switch functionality for versatile control
  • 14 male pin terminals supporting 12-volt electrical systems
  • Compatible with multiple GM vehicles including Silverado, Sierra, Escalade, and Hummer H2

Technical Details and Features

The HLS-1048 dimmer switch features a direct snap fit attachment method, allowing for straightforward replacement without additional mounting hardware. It includes a single female rectangular connector designed to interface seamlessly with your vehicle's wiring harness. The switch operates as a combination switch, providing multiple functions through one unit. Equipped with 14 male pin terminals, it supports a 12-volt electrical system common in most GM trucks and SUVs. This part is engineered to meet the electrical and mechanical specifications required by models such as the Chevrolet Silverado 1500 HD, GMC Sierra 2500 HD Classic, Cadillac Escalade EXT, and Hummer H2.

Compatible Vehicles and Applications

This instrument panel dimmer switch is compatible with a range of General Motors vehicles, including:

  • Cadillac Escalade, Escalade ESV, Escalade EXT
  • Chevrolet Avalanche 1500 and 2500, Silverado 1500 Classic, 1500 HD, 2500 HD Classic, 3500 Classic
  • GMC Sierra 1500, 1500 Classic, 1500 HD, 2500, 2500 HD Classic, 3500 Classic
  • Hummer H2
  • Suburban 1500 and 2500, Tahoe, Yukon, Yukon XL 1500 and 2500

Common Issues Addressed by the Dimmer Switch

  • Dashboard lights not dimming or adjusting properly
  • Intermittent or no response from instrument panel lighting controls
  • Faulty combination switch affecting multiple lighting functions
  • Electrical connection problems due to worn or damaged terminals
  • Inconsistent voltage supply to instrument panel lighting

Installation Notes and Tips

  • Ensure the vehicle's battery is disconnected before installation to prevent electrical shorts
  • Use the direct snap fit method to securely attach the switch without additional tools
  • Verify the female rectangular connector aligns properly with the vehicle wiring harness
  • Check all 14 male pin terminals for corrosion or damage before installation
  • Test the dimmer switch functionality after installation to confirm proper operation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The HLS-1048 instrument panel dimmer switch undergoes rigorous quality control testing to maintain consistent electrical and mechanical standards. Warranty coverage details should be confirmed with the original parts provider or vehicle manufacturer.

BrandStandard Ignition
Part NumberHLS-1048
Attachment MethodDirect, Snap Fit
Connector GenderFemale
Connector ShapeRectangular
FunctionsCombination Switch
Terminal GenderMale
Terminal TypePin
Voltage12

This part fits 94 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007ChevroletSilverado 1500 ClassicN/A
2007ChevroletSilverado 2500 HD ClassicN/A
2007ChevroletSilverado 3500 ClassicN/A
2007GMCSierra 1500 ClassicN/A
2007GMCSierra 1500 HD ClassicN/A
2007GMCSierra 2500 HD ClassicN/A
2007GMCSierra 3500 ClassicN/A
2007HummerH2N/A
2007HummerH26.0LV8N/A
2006CadillacEscaladeN/A
2006CadillacEscalade ESVN/A
2006CadillacEscalade EXTN/A
2006ChevroletAvalanche 1500N/A
2006ChevroletAvalanche 2500N/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
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
2006HummerH26.0LV8N/A
2005CadillacEscaladeN/A
2005CadillacEscalade ESVN/A
2005CadillacEscalade EXTN/A
2005ChevroletAvalanche 1500N/A
2005ChevroletAvalanche 2500N/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
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
2004CadillacEscaladeN/A
2004CadillacEscalade ESVN/A
2004CadillacEscalade EXTN/A
2004ChevroletAvalanche 1500N/A
2004ChevroletAvalanche 2500N/A
2004ChevroletSilverado 1500N/A
2004ChevroletSilverado 2500N/A
2004ChevroletSilverado 2500 HDN/A
2004ChevroletSilverado 3500N/A
2004ChevroletSuburban 1500N/A
2004ChevroletSuburban 2500N/A
2004ChevroletTahoeN/A
2004GMCSierra 1500N/A
2004GMCSierra 2500N/A
2004GMCSierra 2500 HDN/A
2004GMCSierra 3500N/A
2004GMCYukonN/A
2004GMCYukon XL 1500N/A
2004GMCYukon XL 2500N/A
2004HummerH2N/A
2003CadillacEscaladeN/A
2003CadillacEscalade ESVN/A
2003CadillacEscalade EXTN/A
2003ChevroletAvalanche 1500N/A
2003ChevroletAvalanche 2500N/A
2003ChevroletSilverado 1500N/A
2003ChevroletSilverado 1500 HDN/A
2003ChevroletSilverado 2500N/A
2003ChevroletSilverado 2500 HDN/A
2003ChevroletSilverado 3500N/A
2003ChevroletSuburban 1500N/A
2003ChevroletSuburban 2500N/A
2003ChevroletTahoeN/A
2003GMCSierra 1500N/A
2003GMCSierra 1500 HDN/A
2003GMCSierra 2500N/A
2003GMCSierra 2500 HDN/A
2003GMCSierra 3500N/A
2003GMCYukonN/A
2003GMCYukon XL 1500N/A
2003GMCYukon XL 2500N/A
2003HummerH2N/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:

15176678151948031S848953-22773901-142HL152HL7052HL7052SBHLS1048THLS53SM2146SW5970V51-73-0066

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

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