HomeElectrical, Lighting and Body > SwitchesStandard Ignition HLS-1612 Instrument Panel Dimmer Switch
Part #: HLS-1612

Standard Ignition HLS-1612 Instrument Panel Dimmer Switch

⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
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✅ 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: Buick, LaCrosse
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🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition Instrument Panel Dimmer Switch

The Standard Ignition HLS-1612 instrument panel dimmer switch is designed specifically for Buick LaCrosse models. This direct snap fit switch offers reliable control over your vehicle's instrument panel lighting, ensuring optimal visibility and comfort while driving at night.

  • Direct, snap fit attachment method for secure installation
  • Female rectangular connector with one connector for easy wiring
  • Black knob color for a factory-matched appearance
  • Seven male pin terminals for stable electrical connections
  • Operates on standard 12-volt vehicle electrical systems

Detailed Product Description

The HLS-1612 instrument panel dimmer switch from Standard Ignition is engineered to meet the electrical and lighting needs of Buick LaCrosse vehicles. Featuring a direct snap fit attachment method, this switch installs quickly without the need for additional hardware. The female rectangular connector with a single connection point simplifies integration with the vehicle’s wiring harness. The black knob is designed to blend seamlessly with the interior, maintaining the original look of your instrument panel. Equipped with seven male pin terminals, this switch ensures a secure and consistent electrical connection, supporting the 12-volt system common in Buick LaCrosse models.

Common Applications and Issues Addressed

  • Restores dimmer control functionality for instrument panel lighting
  • Resolves flickering or non-responsive dimmer switch problems
  • Replaces worn or damaged dimmer switches to maintain dashboard visibility
  • Improves driver comfort by allowing adjustable instrument panel brightness

Installation Notes and Tips

  • Ensure the vehicle ignition is off before beginning installation
  • Remove the old dimmer switch by gently releasing the snap fit attachment
  • Connect the female rectangular connector securely to the vehicle wiring harness
  • Verify all seven male pin terminals are properly seated to avoid electrical issues
  • Test the dimmer switch operation before reassembling the instrument panel

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The HLS-1612 instrument panel dimmer switch undergoes rigorous quality control to ensure durability and reliable performance in Buick LaCrosse vehicles. Please refer to Standard Ignition’s warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberHLS-1612
Attachment MethodDirect, Snap Fit
Connector GenderFemale
Connector ShapeRectangular
Knob ColorBlack
Terminal GenderMale
Terminal TypePin
Voltage12

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2016BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Auto Headlights; Titanium
2016BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Fog Lights; w/ Auto Headlights; Titanium
2015BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Auto Headlights; Titanium
2015BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Fog Lights; w/ Auto Headlights; Titanium
2013BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; Titanium
2013BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Fog Lights; w/ Auto Headlights; Titanium
2012BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; Titanium
2012BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Fog Lights; w/ Auto Headlights; Titanium

* 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:

1S1178920862480HL7637S10479SW8987

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