HomeElectrical, Lighting and Body > SwitchesStandard Ignition DS-443 Headlight Switch
Part #: DS-443

Standard Ignition DS-443 Headlight Switch

⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Regal
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Reliable Headlight Switch for Buick Regal

The Standard Ignition DS-443 headlight switch is designed specifically for Buick Regal models, providing a direct replacement that ensures proper lighting control. Engineered for durability and precise fitment, this switch supports your vehicle's electrical system with a 12-volt rating and a secure snap-fit attachment method.

  • Direct snap fit attachment for easy installation
  • Female rectangular connector for secure wiring connection
  • 15 male blade terminals for reliable electrical contact
  • Operates at 12 volts, compatible with Buick Regal electrical systems
  • Functions as a headlight switch to control vehicle lighting

Product Details and Specifications

The DS-443 headlight switch from Standard Ignition is built to meet the electrical and lighting needs of Buick Regal vehicles. Featuring a female rectangular connector and 15 male blade terminals, this switch ensures a stable and consistent connection within the vehicle’s wiring harness. The direct snap-fit attachment method allows for straightforward replacement without the need for additional hardware. Designed to operate at 12 volts, this switch integrates seamlessly with the Buick Regal’s electrical system to control headlight functions effectively.

Common Applications and Problem Resolution

  • Replaces faulty or worn headlight switches in Buick Regal models
  • Resolves intermittent or non-functioning headlight issues
  • Fixes problems with headlight dimming or flickering
  • Restores proper electrical connection in the lighting circuit
  • Addresses switch failure due to terminal corrosion or damage

Installation Notes and Tips

  • Ensure the vehicle is powered off before installation
  • Disconnect the battery to prevent electrical shorts
  • Use the direct snap-fit method to secure the switch in place
  • Verify the female rectangular connector aligns correctly with the wiring harness
  • Check all 15 blade terminals for proper seating and contact

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The DS-443 headlight switch undergoes rigorous quality control to maintain consistent electrical function. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to support long-term use in Buick Regal vehicles.

BrandStandard Ignition
Part NumberDS-443
Attachment MethodDirect, Snap Fit
Connector GenderFemale
Connector ShapeRectangular
FunctionsSwitch
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
1993BuickRegalN/Aw/o Sport Package
1992BuickRegalN/Aw/o Sport Package
1991BuickRegalN/AStamping No. 1995386

* 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:

102163411S336253-22636HL6535LS202S2086SW366

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