Standard Ignition DS-155 Headlight Switch

Headlight Switch for Classic GM Applications

The Standard Ignition DS-155 is a direct-fit headlight switch built for a wide range of classic Chevrolet, GMC, Pontiac, Buick, Cadillac, and Oldsmobile vehicles. It uses a 12-volt design with an 8-terminal blade connection layout for service-focused replacement on many GM platforms, including Chevrolet Camaro, Corvette, Nova, and Pontiac Firebird applications.

Key Features

• Direct, snap-fit attachment method for straightforward replacement
• Female rectangular plug-in connector with 8 male blade terminals
• 12-volt electrical design for headlight circuit control
• Metal and plastic construction for everyday service use
• Copper alloy conductors for strong electrical conductivity and reduced resistance
• 100% tested for mechanical and electrical switching performance

Product Details

Standard Ignition DS-155 is a headlight switch engineered for dependable circuit control in older GM vehicles that use an 8-terminal configuration. The switch is built with copper alloy conductors to support efficient current flow, while the metal and plastic finish helps meet the demands of routine repair work. This part cross-references 1S1367 and HL6554 for the same application. It is a practical replacement for drivers and technicians servicing Chevrolet Monte Carlo, Chevrolet Impala, Pontiac GTO, and similar classic models where correct switch operation is critical.

What It Helps Solve

• Headlights that do not turn on or off correctly
• Intermittent lighting caused by worn internal switch contacts
• Dim or inconsistent headlight circuit performance
• Electrical switching issues from heat- or age-related wear
• Replacement needs on vehicles with an 8-terminal headlight switch layout

Installation Notes and Fitment

Compatible With 1964-1969 Chevrolet Impala, 1964-1969 Chevrolet Corvette, 1967-1968 Chevrolet Camaro, 1968-1972 Pontiac Firebird, and 1994-1996 Chevrolet P30 applications, with additional coverage across many GM cars and vans listed by year and model. Fits 1985-1988 Cadillac Cimarron, w/o Digital Instrument Panel; w/o Auto Headlights; 8 Term. Fits 1983-1985 Oldsmobile Delta 88, w/o Twilight Sentinel; 8 Term. Fits 1969 Chevrolet Camaro, w/o Console; 8 Term. Verify the connector style, terminal count, and vehicle equipment before installation. Use the existing 8-terminal blade connection and direct-fit mounting layout to match the original switch configuration.

Quality Assurance

Standard Ignition builds this switch with service-grade materials and tests each unit for both mechanical action and electrical switching performance. The DS-155 is backed by the brand’s long-running focus on technician-oriented electrical parts and consistent replacement quality.