HomeStandard Ignition HLS1777 Headlight Switch
Part #: HLS1777

Standard Ignition HLS1777 Headlight Switch

⚙️ 3 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: Buick, LaCrosse
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Overview of Standard Ignition Headlight Switch HLS1777

The Standard Ignition Headlight Switch HLS1777 is designed specifically for Buick LaCrosse models, providing reliable control over your vehicle's lighting system. Featuring a toggle switch type with dial and button activation, this headlight switch ensures precise operation and durability.

  • Toggle switch type with dial and button activation style
  • 9 male terminals with a single female rectangular plug-in connector
  • Direct snap fit attachment method for secure installation
  • Black and chrome plastic finish with labeled indicator markings
  • Compatible with Buick LaCrosse models requiring part number HLS1777

Detailed Product Description

The Standard Ignition HLS1777 headlight switch is engineered to meet the electrical and lighting needs of Buick LaCrosse vehicles. It features a toggle switch type that combines dial and button activation styles, allowing for intuitive control of your headlights. The switch includes nine male pin terminals and one female rectangular plug-in connector, ensuring a secure and reliable electrical connection. Its direct snap fit attachment method simplifies installation without the need for additional mounting hardware. The switch's black and chrome plastic finish is both functional and visually compatible with the vehicle's interior. Indicator markings and labels are included to assist with proper operation and identification.

Common Applications and Issues Addressed

  • Replacement for faulty or non-responsive headlight switches in Buick LaCrosse
  • Restores proper headlight function and control
  • Solves issues with intermittent lighting or switch failure
  • Addresses problems with switch activation or indicator visibility
  • Upgrades worn or damaged switch components for improved reliability

Installation Notes and Tips

Installation of the Standard Ignition HLS1777 headlight switch requires no additional mounting hardware due to its direct snap fit design. Ensure the vehicle's electrical system is powered off before beginning installation. Carefully disconnect the existing switch by unplugging the female connector and removing the switch from its mounting location. Align the new switch and snap it into place, then reconnect the plug-in connector. Verify all connections are secure and test the switch functions before completing the installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The HLS1777 headlight switch undergoes rigorous quality control to ensure durability and reliable performance in Buick LaCrosse vehicles. While specific warranty details are not provided here, Standard Ignition typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandStandard Ignition
Part NumberHLS1777
Switch TypeToggle
Terminal Quantity9
Connector GenderFemale
Terminal GenderMale
Activation StyleDial; button
Attachment MethodDirect, snap fit
Color/FinishBlack, chrome
Connector Quantity1
Connector ShapeRectangular
Connector TypePlug in
FinishPlastic
FunctionsSwitch
Indicator Markings IncludedYes
LabeledYes
Mounting Hardware IncludedNo
Switch FinishPlastic
Switch MaterialPlastic
Terminal TypePin
Wiring IncludedNo

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2019BuickLaCrosseN/Aw/ Auto Headlights, w/ Fog Lights
2018BuickLaCrosseN/Aw/ Auto Headlights, w/ Fog Lights
2017BuickLaCrosseN/Aw/ Auto Headlights, w/ 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:

26229264HL7802S10644

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