Standard Ignition CBS-2004 Headlight Dimmer Switch

Headlight Dimmer Switch for Kia Optima

Restore reliable lighting control with this Standard Ignition headlight dimmer switch, part number CBS-2004. It is a new combination switch with a black plastic finish, built for 12-volt systems and direct bolt-on attachment.

Compatible with 2006-2009 Kia Optima models without auto headlight control, and with fog lights on 2006 Kia Optima applications. The CBS-2004 is also a direct-reference replacement for OE-style service on the same application.

Key Features

• Standard Ignition CBS-2004 headlight dimmer switch
• Combination switch function with turn signal control included
• Main light operator, latching high beam operator, and momentary high beam flasher included
• Fog light operator included
• Displayed indicator markings included
• Female rectangular connector with 1 connector cavity
• 13 blade terminals, male terminal type
• New, bolt-on design for 12-volt electrical systems

Detailed Description

The Standard Ignition CBS-2004 is a headlight dimmer switch assembly for the Kia Optima that combines multiple lighting controls in one unit. It includes the main light operator, high beam functions, fog light operator, and turn signal control, making it a practical replacement when the original switch shows wear or inconsistent operation. This part number, CBS-2004, is built with a rectangular female connector and blade terminals for a direct electrical connection.

This part cross-references OE-style numbers such as 934102G100 and DL7404 for the same application. For 2006-2009 Kia Optima service, CBS-2004 supports vehicles without auto headlight control, and the 2006 Kia Optima listing also applies to models with fog lights.

What It Helps Fix

• Intermittent or failed headlight switching
• High beam control that does not latch or flash correctly
• Fog light switch operation problems
• Turn signal control issues at the steering column switch
• Worn indicator markings or inconsistent driver input response

Installation Notes and Tips

Verify connector shape, terminal count, and vehicle equipment before installation. This switch uses a bolt-on attachment method and is intended for 12-volt applications. Confirm your Kia Optima is equipped as listed, especially the auto headlight control and fog light configuration, before ordering.

Quality Assurance

Standard Ignition supplies replacement electrical components for service applications, and this CBS-2004 switch is a new part built to match the listed fitment and connector requirements.