Standard HLS1048T Headlight Switch

Headlight Switch for GM Trucks and SUVs

The Standard HLS1048T headlight switch is a direct-fit replacement for select Chevrolet, GMC, Cadillac, and Hummer applications. It is built with durable materials and tested for electrical performance and reliability, making it a practical choice for restoring proper lighting control.

Compatible With 2003-2007 Chevrolet Silverado 1500, 2003-2006 Chevrolet Tahoe, and 2003-2007 GMC Sierra 1500 applications, this Standard headlight switch supports 12-volt systems and uses a 14-pin male terminal layout with a female connector.

Key Features

• Direct-fit headlight switch replacement for easier installation
• 12-volt electrical design
• Female connector with 1 connector interface
• 14 male pin terminals for the specified application
• Built from quality materials for long-term durability
• Tested for performance and reliability during manufacturing

Detailed Product Overview

Standard HLS1048T is a replacement headlight switch for a wide range of GM trucks and SUVs, including Chevrolet Silverado, GMC Sierra, Cadillac Escalade, Chevrolet Tahoe, Chevrolet Suburban, GMC Yukon, and Hummer H2 models. The part number HLS1048T is intended for vehicles that use the listed connector and terminal configuration, helping restore normal headlight control when the original switch wears out or fails.

This part cross-references Dorman OE Solutions 901-142 for the same application. It also interchanges with Standard Ignition HLS-1048.

Common Problems This Part Can Address

• Headlights that do not turn on or off correctly
• Intermittent lighting control from a worn switch
• Dimmer or headlight control issues caused by internal switch wear
• Electrical connection problems at the dash switch
• Loss of reliable lighting operation in GM truck and SUV interiors

Installation Notes and Tips

Verify the connector style, terminal count, and 12-volt system before installation. This headlight switch is a direct-fit replacement for the listed vehicles, including Fits 2003-2006 Chevrolet Silverado 1500, Fits 2003-2006 GMC Sierra 1500, and Fits 2003-2006 Cadillac Escalade applications. Confirm the vehicle’s original switch configuration against the part number HLS1048T to ensure proper fitment.

For best results, compare the existing connector and terminal layout before removing the original switch. The HLS1048T is also listed for Fits 2007 Chevrolet Silverado 1500 Classic and Fits 2007 GMC Sierra 1500 Classic models, along with other 2003-2007 GM truck and SUV applications shown in the fitment data.

Quality Assurance

Standard manufactures this headlight switch with complete quality control throughout the production process. The part is tested for performance and reliability to support consistent electrical operation in the specified GM applications.