HomeElectrical, Lighting and Body > SwitchesStandard Ignition HLS-1608 Instrument Panel Dimmer Switch
Part #: HLS-1608

Standard Ignition HLS-1608 Instrument Panel Dimmer Switch

⚙️ 6 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$124.81Free 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: Buick, LaCrosse
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition Instrument Panel Dimmer Switch

The Standard Ignition HLS-1608 instrument panel dimmer switch is designed specifically for Buick LaCrosse models. This direct snap fit switch offers reliable control over your dashboard lighting, ensuring optimal visibility and comfort while driving at night.

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

Detailed Product Description

The HLS-1608 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 without the need for additional hardware, providing a secure and stable fit. The female rectangular connector with a single connection point simplifies wiring, while the seven male pin terminals ensure a reliable electrical interface. The black knob maintains the interior’s original look and feel, blending seamlessly with the vehicle’s dashboard design. Operating at 12 volts, this dimmer switch is compatible with the standard electrical system of the Buick LaCrosse.

Common Applications and Issues Addressed

  • Restores dimmer functionality for dashboard lighting control
  • Resolves issues with flickering or non-responsive instrument panel lights
  • Replaces worn or damaged dimmer switches to maintain interior lighting consistency
  • Improves driver visibility and comfort during nighttime driving

Installation Notes and Tips

  • Designed for direct snap fit installation—no additional mounting hardware required
  • Ensure the female rectangular connector aligns properly with the vehicle wiring harness
  • Verify all seven male pin terminals are fully seated to prevent electrical faults
  • Disconnect the vehicle battery before installation to avoid electrical shorts

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring dependable performance and durability. The HLS-1608 instrument panel dimmer switch undergoes rigorous quality control testing to guarantee fit and function for Buick LaCrosse models. Warranty coverage details are provided by Standard Ignition and typically include protection against defects in materials and workmanship.

BrandStandard Ignition
Part NumberHLS-1608
Attachment MethodDirect, Snap Fit
Connector GenderFemale
Connector ShapeRectangular
Knob ColorBlack
Terminal GenderMale
Terminal TypePin
Voltage12

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2013BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Fog Lights; w/ Auto Headlights; Black Finish
2013BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Auto Headlights; Black Finish
2012BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Fog Lights; w/ Auto Headlights; Black Finish
2012BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display; w/ Auto Headlights; Black Finish
2011BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display
2010BuickLaCrosseN/Aw/ Head-Up Display; w/ Head Up Display

* 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:

1S1146620862478HL7633S10475SW9251

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