Standard Ignition CBS-1037 Headlight Dimmer Switch - Front

Headlight Dimmer Switch for GM Trucks and SUVs

Standard Ignition CBS-1037 is a combination headlight dimmer switch built for select GM trucks and SUVs from 1999-2002. It combines lighting and wiper functions in one dash-mounted control, with direct fitment for applications that do not use cruise control.

Key Features

• Direct replacement headlight dimmer switch with bolt-on attachment
• Male 4-cavity rectangular connector with 30 blade terminals
• Combination switch functions for lighting, turn signal, hazard, and wiper control
• 12-volt electrical design
• Plastic finish with displayed indicator markings
• Includes hazard light operator, turn signal control, windshield washer spray, wiper delay, and wiper speed functions
• Momentary high beam flasher and latching high beam operator included
• New part, 100% tested for mechanical and electrical switching performance

Product Details

Standard Ignition CBS-1037 is engineered with copper alloy conductors to support strong electrical conductivity and low resistive loss. The switch is built to handle the demands of daily service use and is tested to verify both mechanical action and electrical switching performance. This part cross-references Dorman - HELP 2330834 for the same application. Compatible vehicle coverage includes Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Tahoe, and Cadillac Escalade applications where cruise control is not equipped.

Common Problems This Switch Can Address

• Dimmer switch failure affecting high beam operation
• Intermittent or inoperative turn signal control
• Faulty hazard light switching
• Wiper delay or wiper speed control issues
• Washer spray activation problems at the steering column switch

Installation Notes

Install as a bolt-on replacement using the existing connector layout. Verify the vehicle does not have cruise control before ordering, since the listed applications exclude cruise-control-equipped models. Confirm connector shape, terminal count, and switch functions against the original part before installation. Fits 1999-2002 Chevrolet Silverado 1500, N/A; Fits 2000-2002 Chevrolet Tahoe, N/A; Fits 2002 Cadillac Escalade, Front.

Quality Assurance

Standard Ignition builds this switch with robust materials and copper alloy conductors, then tests each unit for mechanical and electrical switching performance before release.