Standard Ignition CBS-1149 Headlight Dimmer Switch - Front

Headlight Dimmer Switch for GM Trucks and SUVs

Restore dependable lighting and driver-control functions with Standard Ignition CBS-1149. This headlight dimmer switch is built with copper alloy conductors, tested for mechanical and electrical switching performance, and made for service work on GM trucks and SUVs that need a direct replacement.

Compatible With Chevrolet Silverado, Tahoe, Trailblazer, GMC Sierra, Yukon, Cadillac Escalade, and related applications across 2001-2009 model years.

Key Features

• Bolt-on attachment method for straightforward replacement
• 3 connector design with rectangular connector shape
• 18 blade terminals for secure electrical contact
• 12-volt electrical system application
• Includes cruise control cancel, set, resume, on/off, and speed adjustment functions
• Includes turn signal control, windshield washer spray, wiper delay, and wiper speed settings
• Momentary high beam flasher and latching high beam operator included
• New part built with robust materials for service use

Detailed Description

Standard Ignition CBS-1149 is a replacement headlight dimmer switch for vehicles that combine lighting, wiper, turn signal, and cruise control functions in one control assembly. It uses copper alloy conductors to support strong electrical conductivity and low resistive loss, while 100% testing helps verify both switching feel and electrical operation before installation. This part cross-references Beck/Arnley 201-2043 and Dorman - HELP 2330856 for the same application.

Fits 2002-2009 Chevrolet Trailblazer, N/A; Fits 2002-2009 GMC Envoy, N/A; Fits 2003-2007 Cadillac Escalade, N/A; Fits 2003-2007 Chevrolet Silverado 1500, N/A; Fits 2003-2007 GMC Sierra 1500, N/A; Fits 2003-2007 GMC Yukon, N/A.

What It Helps Fix

• Intermittent or inoperative high beam switching
• Turn signal control problems at the steering column switch
• Cruise control cancel, set, resume, or on/off function loss
• Windshield wiper delay or speed selection issues
• Washer spray or indicator marking function failure

Installation Notes and Tips

Verify connector style, terminal count, and vehicle equipment before installation. This switch uses a bolt-on mounting design and is listed for N/A and Front positions depending on application. Confirm cruise control and combo-switch notes for the exact vehicle, especially on Chevrolet Silverado, GMC Sierra, and Cadillac Escalade models with integrated steering-column controls.

Quality Assurance

Standard Ignition builds this CBS-1149 replacement with durable materials and tests each unit for mechanical and electrical performance. The design reflects long-term service development for GM lighting and control applications, including Chevrolet Silverado, GMC Sierra, and GMC Yukon platforms.