HomeElectrical, Lighting and Body > SwitchesStandard Ignition CBS-1837 Headlight Dimmer Switch
Part #: CBS-1837

Standard Ignition CBS-1837 Headlight Dimmer Switch

⚙️ 32 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, CX-9, 6, and RX-8
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Reliable Headlight Dimmer Switch for Mazda Vehicles

The Standard Ignition CBS-1837 headlight dimmer switch is designed to provide precise control over your vehicle's lighting functions. Engineered for select Mazda models including the Mazda 6, CX-9, and RX-8, this switch ensures seamless operation of headlights, turn signals, and fog lights.

  • Bolt-on attachment method for secure installation
  • Black plastic finish with rectangular female connector
  • Includes combination switch functions: turn signals, main light, fog light, and high beam operators
  • Equipped with indicator markings and latching high beam operator
  • Single connector cavity with 16 male blade terminals

Product Features and Specifications

The CBS-1837 headlight dimmer switch from Standard Ignition is a new replacement part designed to restore full lighting control functionality. It features a bolt-on attachment method for straightforward installation and a durable black plastic finish that matches factory components. The switch includes a female rectangular connector with one cavity and 16 male blade terminals, ensuring compatibility with the vehicle’s wiring harness.

This combination switch supports multiple lighting functions such as turn signal control, main light operation, fog light activation, and both momentary and latching high beam functions. Indicator markings are included for clear user guidance. While it does not include cruise control or rear window wiper controls, it covers essential lighting and signaling needs for Mazda 6, CX-9, and RX-8 models.

Compatible Mazda Models and Applications

  • Mazda 6 headlight dimmer switch replacement
  • Mazda CX-9 lighting control switch
  • Mazda RX-8 combination switch for headlights and turn signals

Common Issues Addressed by This Switch

  • Intermittent or non-functioning headlight dimmer operation
  • Faulty turn signal or directional indicator control
  • Inoperative fog light switch
  • High beam flasher or latching function failure
  • Damaged or worn connector terminals causing electrical issues

Installation Notes and Tips

Installation of the Standard Ignition CBS-1837 headlight dimmer switch requires basic automotive electrical knowledge. The bolt-on design allows for secure mounting in the steering column area. Ensure the female rectangular connector aligns properly with the vehicle’s wiring harness to avoid connection issues. It is recommended to disconnect the battery before installation to prevent electrical shorts. Verify all lighting functions operate correctly after installation.

Quality Assurance and Warranty

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

BrandStandard Ignition
Part NumberCBS-1837
Attachment MethodBolt On
ColorBlack
Connector GenderFemale
Connector ShapeRectangular
ContentsSwitch
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 IncludedYes
FunctionsCombination Switch
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 IncludedNo
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 32 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015MazdaCX-9N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2015MazdaCX-9N/Aw/o Auto Headlights; w/ Passenger Air Bag Deactivation Light; w/ Fog Lights
2014MazdaCX-9N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2014MazdaCX-9N/Aw/o Auto Headlights; w/ Passenger Air Bag Deactivation Light; w/ Fog Lights
2014MazdaCX-93.7LV6N/Aw/o Auto Headlight Control
2014MazdaCX-93.7LV6N/ANot compatible with vehicles equipped with Auto Headlights
2013Mazda6N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2013Mazda6N/Aw/o Auto Headlight Control
2013Mazda62.5LL4N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2013Mazda63.7LV6N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2012Mazda6N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2012Mazda6N/Aw/o Auto Headlight Control
2012Mazda62.5LL4N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2012Mazda63.7LV6N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2011Mazda62.5LL4N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2011Mazda63.7LV6N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2011Mazda62.5LL4N/ANot compatible with vehicles equipped with Auto Headlights
2011Mazda63.7LV6N/ANot compatible with vehicles equipped with Auto Headlights
2011MazdaCX-9N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2011MazdaCX-93.7LV6N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2011MazdaRX-8N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2011MazdaRX-81.3LR2N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2011MazdaRX-81.3LR2N/ANot compatible with vehicles equipped with Auto Headlights
2010Mazda6N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2010Mazda6N/Aw/o Auto Headlight Control
2010MazdaCX-93.7LV6N/Aw/o Auto Headlights; w/ Passenger Air Bag Deactivation Light; w/ Fog Lights
2010MazdaCX-9N/Aw/o Auto Headlights; w/ Passenger Air Bag Deactivation Light; w/ Fog Lights
2010MazdaRX-8N/Aw/o Auto Headlights; w/ Fog Lights; From 6/1/09
2010MazdaRX-8N/Aw/o Auto Headlight Control; From 6/1/09
2009Mazda6N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.
2009Mazda6N/Aw/o Auto Headlight Control
2009MazdaCX-9N/AFitment note: Not for use with Auto Headlights, but compatible with vehicles equipped with Fog Lights.

* 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:

1S11340DL7237GS3M66122AS16037SW8540

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