Home› Electrical, Lighting and Body > Switches› Standard Ignition CBS-1945 Headlight Dimmer Switch
Standard Ignition CBS-1945 Headlight Dimmer SwitchOE Quality 60-Day Returns
Standard Ignition CBS-1945 Headlight Dimmer Switch - view 1
Standard Ignition CBS-1945 Headlight Dimmer Switch - view 2
Standard Ignition CBS-1945 Headlight Dimmer Switch - view 3
Standard Ignition CBS-1945 Headlight Dimmer Switch - view 4
Standard Ignition CBS-1945 Headlight Dimmer Switch - view 5
Standard Ignition CBS-1945 Headlight Dimmer Switch - view 6
Part #: CBS-1945

Standard Ignition CBS-1945 Headlight Dimmer Switch

⚙️ 136 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$61.35Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Express 2500, Express 3500, Savana 2500, Savana 3500, Express 1500, and Savana 1500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Headlight Dimmer Switch options

Reliable Headlight Dimmer Switch for Chevrolet and GMC Vans

The Standard Ignition CBS-1945 headlight dimmer switch is designed to provide consistent control over your vehicle's lighting and wiper functions. Engineered for Chevrolet Express and GMC Savana models, this switch ensures proper operation of headlights, turn signals, hazard lights, and windshield wipers.

Key Features of the CBS-1945 Headlight Dimmer Switch

  • Bolt-on attachment method for secure installation
  • Black plastic finish with rectangular female connectors (3 total)
  • Includes heater function and indicator markings for clear operation
  • Supports headlights, turn signals, hazard lights, windshield wipers with 3 speed settings and 5 delay settings
  • Equipped with latching high beam operator and momentary high beam flasher
  • Compatible with Chevrolet Express 1500, 2500, 3500 and GMC Savana 1500, 2500, 3500
  • New part with 12 blade-type terminals (male and female)

Detailed Description of the Standard Ignition CBS-1945

This headlight dimmer switch from Standard Ignition is a new replacement part designed specifically for select Chevrolet and GMC full-size vans. The switch features a durable plastic finish and a bolt-on attachment method, ensuring a secure fit in your vehicle's electrical system. It includes three rectangular female connectors and twelve blade terminals, facilitating reliable electrical connections. The switch controls multiple functions including headlights, turn signals, hazard lights, and windshield wipers with multiple speed and delay settings. It also incorporates a heater function and clear indicator markings to enhance usability. The latching high beam operator and momentary high beam flasher provide precise control over your vehicle's lighting.

Common Applications and Issues Addressed

  • Restores proper operation of headlights and turn signals on Chevrolet Express and GMC Savana vans
  • Resolves intermittent or non-functioning windshield wiper controls
  • Fixes issues with high beam activation and flashing
  • Replaces worn or damaged dimmer switches causing lighting malfunctions
  • Improves safety by ensuring hazard lights function correctly

Installation Notes and Tips

  • Designed for bolt-on installation; ensure mounting points align correctly
  • Verify connector orientation and secure all three female connectors firmly
  • Disconnect vehicle battery before installation to prevent electrical shorts
  • Check all lighting and wiper functions after installation to confirm proper operation
  • Consult vehicle service manual for detailed wiring diagrams if needed

Quality Assurance and Warranty Information

The Standard Ignition CBS-1945 headlight dimmer switch is a new, OEM-quality replacement part manufactured to meet or exceed original equipment specifications. It undergoes rigorous testing to ensure durability and reliable performance in Chevrolet Express and GMC Savana vans. 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 NumberCBS-1945
Attachment MethodBolt On
ColorBlack
Connector GenderFemale; Female; Female
Connector ShapeRectangular
ContentsHeater
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
FunctionsHeadlights, Turn Signal, Hazard Light, Windshield Wiper, Windshield Washer, Clockspring
Indicator Markings IncludedYes
Latching High Beam Operator IncludYes
Main Light Operator IncludedNo
Momentary High Beam Flasher IncludYes
New or RemanNew
Number Of Connector Cavities3
Number Of Wiper Delay Settings5
Number Of Wiper Speed Settings3
Rear Window Washer Spray IncludedNo
Rear Window Wiper Delay Control InNo
Rear Window Wiper Speed Setting InNo
Running Light Operator IncludedNo
Terminal GenderMale Female
Terminal TypeBlade
Turn Signal Control IncludedYes
Turn Signal/Directional IndicatorYes
Voltage12
Windshield Washer Spray IncludedYes
Windshield Wiper Delay Setting IncYes
Windshield Wiper Speed Setting IncYes

This part fits 136 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2024ChevroletExpress 2500N/A
2024ChevroletExpress 3500N/A
2023ChevroletExpress 2500N/A
2023ChevroletExpress 3500N/A
2022ChevroletExpress 2500N/A
2022ChevroletExpress 3500N/A
2021ChevroletExpress 2500N/A
2021ChevroletExpress 3500N/A
2020ChevroletExpress 2500N/A
2020ChevroletExpress 3500N/A
2019ChevroletExpress 2500N/A
2019ChevroletExpress 3500N/A
2019GMCSavana 2500N/A
2019GMCSavana 3500N/A
2018ChevroletExpress 2500N/A
2018ChevroletExpress 3500N/A
2018GMCSavana 2500N/A
2018GMCSavana 3500N/A
2017ChevroletExpress 2500N/A
2017ChevroletExpress 3500N/A
2017GMCSavana 2500N/A
2017GMCSavana 3500N/A
2016ChevroletExpress 2500N/A
2016ChevroletExpress 3500N/A
2016GMCSavana 2500N/A
2016GMCSavana 3500N/A
2015ChevroletExpress 2500N/A
2015ChevroletExpress 3500N/A
2015GMCSavana 2500N/A
2015GMCSavana 25004.8LV8N/A
2015GMCSavana 25006.0LV8N/A
2015GMCSavana 25006.6LV8N/A
2015GMCSavana 3500N/A
2015GMCSavana 35004.8LV8N/A
2015GMCSavana 35006.0LV8N/A
2015GMCSavana 35006.6LV8N/A
2014ChevroletExpress 1500N/A
2014ChevroletExpress 2500N/A
2014ChevroletExpress 3500N/A
2014GMCSavana 1500N/A
2014GMCSavana 15004.3LV6N/A
2014GMCSavana 15005.3LV8N/A
2014GMCSavana 2500N/A
2014GMCSavana 25004.8LV8N/A
2014GMCSavana 25006.0LV8N/A
2014GMCSavana 25006.6LV8N/A
2014GMCSavana 3500N/A
2014GMCSavana 35004.8LV8N/A
2014GMCSavana 35006.0LV8N/A
2014GMCSavana 35006.6LV8N/A
2013ChevroletExpress 1500N/A
2013ChevroletExpress 2500N/A
2013ChevroletExpress 3500N/A
2013GMCSavana 1500N/A
2013GMCSavana 2500N/A
2013GMCSavana 25004.8LV8N/A
2013GMCSavana 25006.0LV8N/A
2013GMCSavana 25006.6LV8N/A
2013GMCSavana 3500N/A
2013GMCSavana 35004.8LV8N/A
2013GMCSavana 35006.0LV8N/A
2013GMCSavana 35006.6LV8N/A
2012ChevroletExpress 1500N/A
2012ChevroletExpress 2500N/A
2012ChevroletExpress 3500N/A
2012GMCSavana 1500N/A
2012GMCSavana 15004.3LV6N/A
2012GMCSavana 15005.3LV8N/A
2012GMCSavana 2500N/A
2012GMCSavana 25004.8LV8N/A
2012GMCSavana 25006.0LV8N/A
2012GMCSavana 25006.6LV8N/A
2012GMCSavana 3500N/A
2012GMCSavana 35004.8LV8N/A
2012GMCSavana 35006.0LV8N/A
2012GMCSavana 35006.6LV8N/A
2011ChevroletExpress 15005.3LV8N/A
2011ChevroletExpress 15004.3LV6N/A
2011ChevroletExpress 1500N/A
2011ChevroletExpress 25006.0LV8N/A
2011ChevroletExpress 25006.6LV8N/A
2011ChevroletExpress 25004.8LV8N/A
2011ChevroletExpress 2500N/A
2011ChevroletExpress 35006.0LV8N/A
2011ChevroletExpress 35006.6LV8N/A
2011ChevroletExpress 35004.8LV8N/A
2011ChevroletExpress 3500N/A
2011GMCSavana 15005.3LV8N/A
2011GMCSavana 15004.3LV6N/A
2011GMCSavana 1500N/A
2011GMCSavana 25006.6LV8N/A
2011GMCSavana 25004.8LV8N/A
2011GMCSavana 25006.0LV8N/A
2011GMCSavana 2500N/A
2011GMCSavana 35006.0LV8N/A
2011GMCSavana 35006.6LV8N/A
2011GMCSavana 35004.8LV8N/A
2011GMCSavana 3500N/A
2010ChevroletExpress 1500N/A
2010ChevroletExpress 2500N/A
2010ChevroletExpress 3500N/A
2010GMCSavana 1500N/A
2010GMCSavana 25006.0LV8N/A
2010GMCSavana 25006.6LV8N/A
2010GMCSavana 25004.8LV8N/A
2010GMCSavana 2500N/A
2010GMCSavana 3500N/A
2010GMCSavana 35006.0LV8N/A
2010GMCSavana 35004.8LV8N/A
2010GMCSavana 35006.6LV8N/A
2009ChevroletExpress 1500N/A
2009ChevroletExpress 2500N/A
2009ChevroletExpress 3500N/A
2009GMCSavana 15005.3LV8N/A
2009GMCSavana 15004.3LV6N/A
2009GMCSavana 1500N/A
2009GMCSavana 25006.0LV8N/A
2009GMCSavana 25006.6LV8N/A
2009GMCSavana 25004.8LV8N/A
2009GMCSavana 2500N/A
2009GMCSavana 35006.0LV8N/A
2009GMCSavana 35004.8LV8N/A
2009GMCSavana 35006.6LV8N/A
2009GMCSavana 3500N/A
2008ChevroletExpress 1500N/A
2008ChevroletExpress 2500N/A
2008ChevroletExpress 3500N/A
2008GMCSavana 1500N/A
2008GMCSavana 2500N/A
2008GMCSavana 25004.8LV8N/A
2008GMCSavana 25006.6LV8N/A
2008GMCSavana 25006.0LV8N/A
2008GMCSavana 3500N/A
2008GMCSavana 35004.8LV8N/A
2008GMCSavana 35006.6LV8N/A
2008GMCSavana 35006.0LV8N/A

* 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:

1S115112577864153-59095DL7345S16145SW8709

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

Related Articles