Standard Ignition CBS-1945 Headlight Dimmer Switch

Headlight Dimmer Switch for GM Vans

Restore combination switch operation with this Standard Ignition headlight dimmer switch. Built as a direct-fit OE replacement, CBS-1945 is made for dependable control of headlights, turn signals, hazard lights, windshield wiper functions, windshield washer operation, and clockspring-related switching on select Chevrolet Express and GMC Savana vans.

Compatible With 2008-2026 Chevrolet Express 2500, 2008-2026 Chevrolet Express 3500, 2008-2026 GMC Savana 2500, 2008-2026 GMC Savana 3500, 2008-2014 Chevrolet Express 1500, and 2008-2014 GMC Savana 1500.

Key Features

• Direct-fit OE replacement for the combination switch assembly
• Standard Ignition CBS-1945 headlight dimmer switch
• Black plastic finish with bolt-on attachment method
• 3 rectangular female connectors for vehicle-specific integration
• 12-volt electrical design with blade terminals
• Includes turn signal control, high beam flash, and latching high beam functions
• Supports windshield wiper delay, wiper speed, and washer spray operation
• Built with copper alloy conductors for low-resistance electrical flow

Detailed Description

The CBS-1945 is engineered to restore multiple steering-column switch functions in one OE-style replacement unit. It is designed for Chevrolet Express and GMC Savana applications where the headlight dimmer switch also manages turn signals, hazard lights, windshield wiper settings, windshield washer spray, and clockspring-related control functions. Standard Ignition manufactures this switch to OE specifications to support proper fit, form, and function, while copper alloy conductors help maintain strong electrical conductivity and reduce resistive losses.

This part cross-references 1S11511 and DL7345 for the same application. The part number CBS-1945 is a useful reference when verifying the correct switch for 2008-2026 Chevrolet Express 2500 and 3500 models, as well as 2008-2026 GMC Savana 2500 and 3500 models.

Common Problems This Part Can Address

• Inoperative or intermittent headlight dimmer control
• Turn signal or hazard light switch failure
• Windshield wiper delay or speed selection issues
• Washer spray control problems at the steering column
• Worn combination switch contacts causing inconsistent operation

Installation Notes and Tips

Verify connector style, terminal count, and vehicle application before installation. This switch uses a bolt-on attachment method and three rectangular female connectors, so matching the original configuration is important for proper fitment. Confirm the existing steering-column switch functions and compare the original part number CBS-1945 with the replacement before service.

Quality Assurance

Standard Ignition states that each switch is manufactured to OE specification and built under controlled production processes to support consistent fit and electrical performance. The robust construction and OE-replacement design are intended to meet the demands of professional repair work on Chevrolet Express and GMC Savana vehicles.