Standard Ignition DS-647 Headlight Switch

Reliable Headlight Switch for Chevrolet and GMC Vehicles

The Standard Ignition DS-647 headlight switch is designed to provide consistent and dependable control of your vehicle's headlights. Engineered for select Chevrolet and GMC models, this switch ensures proper functionality and ease of use.

• Direct snap fit attachment method for secure installation
• Black and gray plastic finish for durability and aesthetic compatibility
• Rectangular connector shape with no connector included
• Six male blade terminals for reliable electrical connections
• Operates on standard 12-volt electrical systems

Product Details and Specifications

The DS-647 headlight switch from Standard Ignition is constructed with a plastic finish in black and gray, matching the interior design of many Chevrolet and GMC trucks and SUVs. It features a direct snap fit attachment method, allowing for straightforward replacement without additional hardware. The switch includes six male blade terminals arranged in a rectangular configuration, designed to interface with the vehicle's wiring harness. This headlight switch operates on a 12-volt system, compatible with the electrical requirements of models such as the Chevrolet Blazer, C1500, C2500, C3500, and GMC Yukon series.

Compatible Chevrolet and GMC Models

This headlight switch is compatible with a range of Chevrolet and GMC vehicles, including:

• Chevrolet Blazer
• Chevrolet C1500 and C1500 Suburban
• Chevrolet C2500 and C2500 Suburban
• Chevrolet C3500
• GMC K1500 and K1500 Suburban
• GMC K2500 and K2500 Suburban
• GMC K3500
• GMC Yukon

Common Applications and Issues Addressed

• Restores headlight control functionality when the original switch fails
• Eliminates intermittent headlight operation caused by faulty switches
• Replaces worn or damaged switches to maintain vehicle safety compliance
• Resolves issues with headlight dimming or flickering
• Ensures proper electrical connection with six blade terminals

Installation Notes and Tips

Installation of the Standard Ignition DS-647 headlight switch is straightforward due to its direct snap fit design. Before installation, disconnect the vehicle battery to prevent electrical shorts. Remove the old switch by gently releasing the snap fit clips, then align the new switch and press firmly until it snaps into place. Verify that all six blade terminals are properly seated and connected. Testing the headlights after installation is recommended to confirm correct operation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The DS-647 headlight switch undergoes quality control inspections to maintain consistent standards. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary.