HomeElectrical, Lighting and Body > SwitchesStandard Ignition CBS-1242 Headlight Dimmer Switch
Part #: CBS-1242

Standard Ignition CBS-1242 Headlight Dimmer Switch

⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Lexus, ES330 and ES300
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Headlight Dimmer Switch for Lexus ES300 and ES330

The Standard Ignition CBS-1242 headlight dimmer switch is designed specifically for Lexus ES300 and ES330 models. This new, bolt-on switch offers essential lighting control functions to maintain safe and efficient vehicle operation.

  • Bolt-on attachment method for secure installation
  • Female rectangular connector with one cavity
  • Includes fog light, running light, and turn signal operators
  • Features latching high beam and momentary high beam flasher functions
  • Indicator markings clearly displayed for ease of use
  • Operates on standard 12-volt electrical systems
  • Equipped with 16 male blade terminals for reliable connectivity

Product Features and Specifications

The CBS-1242 headlight dimmer switch from Standard Ignition is engineered to replace factory switches in Lexus ES300 and ES330 vehicles. It supports multiple lighting functions including main light operation, fog lights, running lights, and turn signals. The switch includes both latching high beam and momentary high beam flasher operators, allowing drivers to toggle between high beam modes as needed. The single female rectangular connector with one cavity ensures a straightforward electrical connection, while the 16 male blade terminals provide a durable interface with the vehicle’s wiring harness. Indicator markings are included on the switch for clear identification of controls, enhancing driver usability.

Common Applications and Problem Resolution

  • Restores headlight dimming and high beam functionality
  • Replaces faulty turn signal and directional indicator controls
  • Resolves issues with fog light operation on compatible Lexus models
  • Corrects problems with running light activation
  • Eliminates intermittent or non-responsive headlight switch behavior

Installation Notes and Tips

Installation of the Standard Ignition CBS-1242 headlight dimmer switch requires basic automotive electrical knowledge. The bolt-on design allows for direct replacement of the original switch without modification. Ensure the vehicle’s battery is disconnected before installation to prevent electrical shorts. Verify connector orientation and terminal alignment before securing the switch. After installation, test all lighting functions including high beams, fog lights, running lights, and turn signals to confirm proper operation.

Quality Assurance and Warranty

This headlight dimmer switch is a new Standard Ignition part, manufactured to meet or exceed OEM specifications for Lexus ES300 and ES330 models. It is built with durable materials and tested for reliable performance in automotive electrical systems. Standard Ignition provides a limited warranty covering defects in material and workmanship, ensuring confidence in the product’s longevity and function.

BrandStandard Ignition
Part NumberCBS-1242
Attachment MethodBolt On
Connector GenderFemale
Connector ShapeRectangular
Cruise Control Cancel IncludedNo
Cruise Control On/Off Operator IncNo
Cruise Control Resume IncludedNo
Cruise Control Set IncludedNo
Cruise Control Speed Adjustment InNo
DisplayedYes
Fog Light Operator IncludedYes
Indicator Markings IncludedYes
Latching High Beam Operator IncludYes
Main Light Operator IncludedYes
Momentary High Beam Flasher IncludYes
New or RemanNew
Number Of Connector Cavities1
Rear Window Washer Spray IncludedNo
Rear Window Wiper Delay Control InNo
Rear Window Wiper Speed Setting InNo
Running Light Operator IncludedYes
Terminal GenderMale
Terminal TypeBlade
Turn Signal Control IncludedYes
Turn Signal/Directional IndicatorYes
Voltage12
Windshield Washer Spray IncludedNo
Windshield Wiper Delay Setting IncNo
Windshield Wiper Speed Setting IncNo

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006LexusES330N/Aw/ DRL/OFF Mode
2006LexusES3303.3LV6N/Aw/ DRL/OFF Mode
2005LexusES330N/Aw/ DRL/OFF Mode
2005LexusES3303.3LV6N/Aw/ DRL/OFF Mode
2004LexusES330N/Aw/ DRL/OFF Mode
2004LexusES3303.3LV6N/Aw/ DRL/OFF Mode
2003LexusES3003.0LV6N/Aw/ DRL/OFF Mode
2003LexusES300N/Aw/ Daytime Running Lights
2002LexusES300N/Aw/ Daytime Running Lights
2002LexusES3003.0LV6N/Aw/ DRL/OFF Mode

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

18-12641S3393201-219953-167088414033160DL6648S14436SW3695

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.