Standard Ignition DS-631 Headlight Switch

Headlight Switch for Chevrolet Lumina and Monte Carlo

Restore reliable lighting control with the Standard Ignition DS-631 headlight switch. This direct, snap-fit combination switch is built for 12-volt systems and uses copper alloy conductors to support strong electrical transfer with low resistance.

Compatible with 1995-2001 Chevrolet Lumina and 1995-1999 Chevrolet Monte Carlo, this DS-631 replacement is engineered for consistent mechanical and electrical switching performance. It is a practical choice when the original headlight switch shows wear, intermittent operation, or poor contact.

Key Features

• Direct, snap-fit attachment method for straightforward replacement
• Combination switch function for headlight control applications
• Female connector with rectangular 1-connector design
• 15 blade terminals with male terminal gender
• 3 switch positions for factory-style operation
• 12-volt electrical specification
• Copper alloy conductors for low-resistance conductivity
• 100% tested for mechanical and electrical switching performance

Detailed Description

The Standard Ignition DS-631 is a headlight switch designed for service replacement in Chevrolet Lumina and Chevrolet Monte Carlo applications. Standard Ignition builds this switch with durable materials and a robust internal design to meet the demands of daily repair work. The DS-631 part number is also referenced in service and interchange listings for technicians sourcing an OE-style replacement.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems This Part Can Address

• Headlights that do not turn on consistently
• Intermittent lighting control from a worn switch
• Loose, damaged, or heat-affected electrical contacts
• Dim or unreliable switch response at the dash control
• Failure of the original headlight switch to maintain proper circuit operation

Installation Notes and Tips

Verify connector shape, terminal count, and switch position before installation. This DS-631 uses a female rectangular connector with 15 male blade terminals, so matching the original electrical interface is important for proper fitment. Confirm vehicle application by year and model before replacing the switch.

Compatible With 1995-2001 Chevrolet Lumina and 1995-1999 Chevrolet Monte Carlo. For search reference, this application covers Chevrolet Lumina and Monte Carlo model years within the listed range, including DS-631 replacement searches.

Quality Assurance

Standard Ignition states that this switch is 100% tested to verify both mechanical and electrical switching performance. The design also reflects long-term product development focused on technician needs and service reliability.