Standard Ignition DS-156 Headlight Switch

Headlight Switch for Classic GM Applications

The Standard Ignition DS-156 headlight switch is built for direct replacement in select 1957-1963 Buick, Chevrolet, and GMC vehicles. It uses copper alloy conductors for strong electrical flow and is 100% tested for mechanical and electrical switching performance.

• Direct, snap-fit attachment method
• 12-volt headlight switch design
• Female rectangular connector
• 8 male blade terminals
• Metal color with metal and plastic finish
• Built with copper alloy conductors for low resistive loss

Detailed Product Overview

Standard Ignition DS-156 is a headlight switch for classic GM electrical systems where reliable dash-mounted lighting control is required. The switch function, 12-volt rating, and 8-terminal blade layout support proper electrical switching in vehicles such as the Chevrolet Bel Air, Chevrolet Corvette, Chevrolet Impala, Buick LeSabre, Buick Skylark, Buick Riviera, GMC G1000 Series, and Chevrolet El Camino. This DS-156 replacement is engineered with robust materials and tested to verify both mechanical action and electrical performance.

This part cross-references Standard Ignition DS-156 applications with related numbers such as 1S10705 and HL6551 for the same application.

Vehicle Fitment

• Fits 1959-1963 Buick LeSabre, N/A
• Fits 1963 Buick Riviera, N/A
• Fits 1961-1963 Buick Skylark, N/A
• Fits 1957-1963 Chevrolet Bel Air, N/A
• Fits 1957-1963 Chevrolet Corvette, N/A
• Fits 1958-1963 Chevrolet Impala, N/A
• Fits 1963 GMC G1000 Series, N/A
• Fits 1959-1960 Chevrolet El Camino, N/A

Common Replacement Symptoms

• Headlights do not turn on or shut off properly
• Intermittent lighting control from the dash switch
• Dim or inconsistent headlight operation
• Electrical switching failure in the headlight circuit
• Worn connector or terminal contact at the switch

Installation Notes

Verify the connector shape, terminal count, and 12-volt electrical layout before installation. This DS-156 uses a direct, snap-fit attachment method with a female rectangular connector and male blade terminals, so matching the original switch configuration is important for proper fitment in classic Buick, Chevrolet, and GMC models.

Quality Assurance

Standard Ignition builds this switch with copper alloy conductors and tests each unit for mechanical and electrical switching performance. The design reflects long-term development focused on service-professional requirements for dependable electrical replacement parts.