Standard Ignition DS-918 Door Lock Switch

Door Lock Switch for Power Door Locks

Standard Ignition DS-918 is a door lock switch for vehicles equipped with power door locks. It uses a female connector, male pin terminals, and a 3-terminal layout to support reliable electrical switching in the door or dash control circuit.

Compatible With select Buick, Chevrolet, Oldsmobile, and Pontiac applications from 1978-1988, including Chevrolet Monte Carlo, Buick Regal, and Pontiac Grand Prix models. The Standard Ignition DS-918 is built for direct replacement service where a worn or intermittent door lock switch needs attention.

Key Features

• Functions with power door lock systems
• Female connector with male pin terminals
• 3-terminal design for switch circuit control
• Copper alloy conductors for strong electrical conductivity
• 100% tested for mechanical and electrical switching performance
• Built with durable materials for service use

Detailed Description

The DS-918 door lock switch is engineered for dependable operation in older GM passenger cars and wagons that use a power door lock control switch. Standard Ignition uses copper alloy conductors to reduce resistive loss and support consistent current flow through the switch. The part is also tested for both mechanical action and electrical function before release, helping confirm proper switching performance.

This part cross-references Standard Ignition AS216 and Wix 49224 for the same application. It is a practical replacement choice for Chevrolet Monte Carlo, Chevrolet Caprice, and Pontiac Grand Prix door lock switch service, as well as other listed Buick, Oldsmobile, and Pontiac models.

Common Problems This Part Can Help Solve

• Inoperative power door lock switch response
• Intermittent lock or unlock operation
• Worn switch contacts causing poor electrical continuity
• Broken or loose terminal connection at the switch
• Switch failure in door or armrest-mounted control locations

Installation Notes and Tips

Verify connector style, terminal count, and vehicle trim location before installation. This switch is listed for specific applications such as Chevrolet Caprice on doors with chrome finish, Chevrolet Impala on the armrest, and Oldsmobile Delta 88 with bezel. Confirm the vehicle’s original power door lock configuration, including notes for models without power windows where listed.

For best results, inspect the harness connector, terminals, and surrounding switch bezel for wear or heat damage before installing the replacement part. Confirm fitment against the exact year, make, model, and notes for your vehicle.

Quality Assurance

Standard Ignition backs this switch with a manufacturing process focused on service-professional requirements, including robust construction, quality materials, and full mechanical and electrical testing. Part number DS-918 is built to meet the demands of routine electrical switch replacement in compatible GM applications.