HomeElectrical, Lighting and Body > SwitchesStandard Ignition DS-651 Headlight Switch
Part #: DS-651

Standard Ignition DS-651 Headlight Switch

⚙️ 16 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, and Oldsmobile, Blazer, S10, Jimmy, Sonoma, and Bravada
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Reliable Headlight Switch for Chevrolet, GMC, and Oldsmobile Vehicles

The Standard Ignition DS-651 headlight switch is designed to provide consistent and dependable control of your vehicle's headlights. Engineered for select Chevrolet, GMC, and Oldsmobile models, this switch ensures proper functionality and easy installation.

Key Features of the Standard Ignition DS-651 Headlight Switch

  • Direct snap fit attachment method for secure installation
  • Female rectangular connector with one connector for easy wiring
  • Plastic finish designed for durability and resistance to wear
  • Six male blade terminals supporting 12-volt electrical systems
  • Specifically functions as a headlight switch for reliable lighting control

Detailed Product Description

The DS-651 headlight switch from Standard Ignition is built to meet the electrical requirements of 12-volt systems commonly found in Chevrolet Blazer, GMC Jimmy, and Oldsmobile Bravada models, among others. Its direct snap fit attachment method allows for straightforward replacement without the need for additional hardware. The switch features a female rectangular connector with a single connection point, simplifying the wiring process. Equipped with six male blade terminals, it ensures stable electrical contact and efficient power transfer to your vehicle's headlight system. The plastic finish offers resistance to environmental factors, maintaining the switch's integrity over time.

Common Applications and Issues Addressed

  • Restores headlight control functionality in Chevrolet S10 and GMC Sonoma trucks
  • Replaces faulty or worn headlight switches causing intermittent lighting
  • Solves issues with headlights not turning on or off properly
  • Addresses electrical connection problems due to damaged terminals
  • Improves safety by ensuring reliable headlight operation during night driving

Installation Notes and Tips

  • Ensure the vehicle's battery is disconnected before installation to prevent electrical shorts
  • Use the direct snap fit method to securely attach the switch without additional tools
  • Verify the connector gender and shape match your vehicle’s wiring harness for compatibility
  • Check all six blade terminals for proper seating to avoid loose connections
  • Consult the vehicle’s service manual for specific removal and installation procedures

Quality Assurance and Warranty Information

Standard Ignition manufactures the DS-651 headlight switch to meet OEM specifications, ensuring reliable performance and durability. The product undergoes rigorous quality control testing to maintain consistent standards. Warranty coverage details are provided by Standard Ignition and typically include protection against manufacturing defects. Refer to the manufacturer’s warranty documentation for specific terms and conditions.

BrandStandard Ignition
Part NumberDS-651
Attachment MethodDirect, Snap Fit
Connector GenderFemale
Connector ShapeRectangular
FinishPlastic
FunctionsHeadlight
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 16 vehicles. Search below:

YearMakeModelPositionNotes
1997ChevroletBlazerN/A
1997ChevroletS10N/A
1997GMCJimmyN/A
1997GMCSonomaN/A
1997OldsmobileBravadaN/A
1996ChevroletBlazerN/A
1996ChevroletS10N/A
1996GMCJimmyN/A
1996GMCSonomaN/A
1996OldsmobileBravadaN/A
1995ChevroletBlazerN/ACompatible with vehicles equipped with U.S. Emissions for Distributor Ignition Pickup.
1995ChevroletS10N/A
1995GMCJimmyN/A
1995GMCSonomaN/ACompatible with vehicles equipped with U.S. Emissions for Distributor Ignition Pickup.
1994ChevroletS10N/A
1994GMCSonomaN/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:

156768361S47812-HLS3953-23030DS651THL6849HL6849SBHLS39LS222S2129SW955

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