HomeElectrical, Lighting and Body > SwitchesStandard Ignition CBS2427 Headlight Dimmer Switch
Part #: CBS2427

Standard Ignition CBS2427 Headlight Dimmer Switch

⚙️ 44 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, and GMC, Enclave, Equinox, Traverse, Terrain, and Malibu
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Reliable Headlight Dimmer Switch for Buick, Chevrolet, and GMC Vehicles

The Standard Ignition CBS2427 headlight dimmer switch is designed to provide consistent and precise control of your vehicle's high beam and dimmer functions. Engineered for select Buick, Chevrolet, and GMC models, this switch ensures proper lighting operation and safety on the road.

  • Direct replacement headlight dimmer switch with clip attachment method
  • Black plastic finish with rectangular female connector
  • Includes 1 switch with 10 male pin terminals for secure electrical connection
  • Features combination switch functions including latching high beam and momentary high beam flasher
  • Indicator markings clearly displayed for easy operation

Product Details and Specifications

The Standard Ignition CBS2427 is a new headlight dimmer switch designed to fit Buick Blazer, Chevrolet Equinox, Malibu, Traverse, GMC Terrain, and Enclave models. This switch features a clip attachment method for straightforward installation and a durable black plastic finish. It includes a single rectangular female connector with one cavity and ten male pin terminals, ensuring a reliable electrical connection. The switch supports combination functions such as latching high beam operation and momentary high beam flashing, with indicator markings included for user clarity. This part does not include cruise control or fog light operators, turn signal controls, or rear window wiper functions, focusing solely on headlight dimmer capabilities.

Compatible Vehicles and Applications

This headlight dimmer switch is compatible with the following makes and models:

  • Buick Blazer and Enclave
  • Chevrolet Equinox, Malibu, and Traverse
  • GMC Terrain

It is designed to replace the original equipment switch in these vehicles, restoring proper headlight dimmer functionality and ensuring safe nighttime driving.

Common Issues Addressed by This Switch

  • Intermittent or non-functioning high beam operation
  • Failure of momentary high beam flasher
  • Worn or damaged switch causing poor electrical contact
  • Missing or faded indicator markings affecting usability
  • Loose or faulty connector causing lighting malfunctions

Installation Notes and Tips

  • Ensure vehicle ignition is off before beginning installation
  • Use the clip attachment method to secure the switch firmly in place
  • Verify the rectangular female connector aligns properly with the vehicle wiring harness
  • Check all terminal pins for corrosion or damage before connecting
  • Test headlight dimmer functions after installation to confirm proper operation

Quality Assurance and Warranty

The Standard Ignition CBS2427 headlight dimmer switch is a new, OEM-quality replacement part manufactured to meet or exceed original equipment specifications. It undergoes rigorous quality control to ensure durability and reliable performance. Standard Ignition typically offers a limited warranty on their electrical components; please refer to the product documentation or manufacturer for specific warranty details.

BrandStandard Ignition
Part NumberCBS2427
Attachment MethodClip
ColorBlack
Connector GenderFemale
Connector ShapeRectangular
Contents1 Switch
Cruise Control Cancel IncludedNo
Cruise Control On/Off Operator IncNo
Cruise Control Resume IncludedNo
Cruise Control Set IncludedNo
Cruise Control Speed Adjustment InNo
DisplayedYes
FinishPlastic
Fog Light Operator IncludedNo
FunctionsCombination Switch
Indicator Markings IncludedYes
Latching High Beam Operator IncludYes
Main Light Operator IncludedNo
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 IncludedNo
Terminal GenderMale
Terminal TypePin
Turn Signal Control IncludedNo
Turn Signal/Directional IndicatorNo
Windshield Washer Spray IncludedNo
Windshield Wiper Delay Setting IncNo
Windshield Wiper Speed Setting IncNo

This part fits 44 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2025ChevroletBlazerN/A
2025ChevroletEquinox1.5LL4N/A
2025ChevroletMalibu1.5LL4N/A
2025GMCTerrainN/A
2024ChevroletBlazerN/A
2024ChevroletEquinox1.5LL4N/A
2024ChevroletMalibu1.5LL4N/A
2024GMCTerrainN/A
2023ChevroletBlazerN/A
2023ChevroletEquinox1.5LL4N/A
2023ChevroletMalibu1.5LL4N/A
2023ChevroletTraverseN/A
2023GMCTerrainN/A
2022BuickEnclaveN/A
2022ChevroletBlazerN/A
2022ChevroletEquinox1.5LL4N/A
2022ChevroletMalibu1.5LL4N/A
2022ChevroletTraverseN/A
2022GMCTerrainN/A
2021BuickEnclaveN/A
2021ChevroletBlazerN/A
2021ChevroletEquinoxN/A
2021ChevroletMalibu1.5LL4N/A
2021ChevroletTraverseN/A
2021GMCTerrainN/A
2020BuickEnclaveN/A
2020ChevroletBlazerN/A
2020ChevroletEquinoxN/A
2020ChevroletMalibu1.5LL4N/A
2020ChevroletTraverseN/A
2020GMCTerrainN/A
2019BuickEnclaveN/Aw/ Automatic High Beam
2019ChevroletBlazerN/A
2019ChevroletEquinoxN/Aw/ Automatic High Beam
2019ChevroletMalibuN/A
2019ChevroletTraverseN/Aw/ Automatic High Beam
2019GMCTerrainN/Aw/ Automatic High Beam
2018BuickEnclaveN/Aw/ Automatic High Beam
2018ChevroletEquinoxN/Aw/ Automatic High Beam
2018ChevroletMalibuN/Aw/ Automatic High Beam
2018ChevroletTraverseN/Aw/ Automatic High Beam
2018GMCTerrainN/Aw/ Automatic High Beam
2017ChevroletMalibuN/Aw/ Automatic High Beam
2016ChevroletMalibuN/Aw/ Automatic High Beam

* 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:

1S1509223354977DL7828S16627

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