Standard Ignition DS-1448 Door Lock Switch

Door Lock Switch for GM Trucks

Standard Ignition DS-1448 is a black power door lock switch built for service replacement on select Chevrolet and GMC trucks and SUVs. It uses a male connector with 5 male bullet terminals and a plastic finish for straightforward electrical integration in the original switch location.

Fits 1988-1989 Chevrolet C1500, N/A; Fits 1988-1989 Chevrolet C2500, N/A; Fits 1988-1989 Chevrolet C3500, N/A; Fits 1988-1989 Chevrolet K1500, N/A; Fits 1988-1989 Chevrolet K2500, N/A; Fits 1988-1989 Chevrolet K3500, N/A; Fits 1989 Chevrolet V1500 Suburban, N/A, w/ Single Switch; Black Finish; Fits 1988-1989 GMC C1500, N/A; Fits 1988-1989 GMC C2500, N/A; Fits 1988-1989 GMC C3500, N/A; Fits 1988-1989 GMC K1500, N/A; Fits 1988-1989 GMC K2500, N/A; Fits 1988-1989 GMC K3500, N/A; Fits 1988 Chevrolet V10 Suburban, N/A, w/ Single Switch; Black Finish.

Key Features

• Part number DS-1448 door lock switch for power door lock operation
• Black plastic finish for a factory-style appearance
• Male connector with 5 male bullet terminals
• Built with copper alloy conductors for strong electrical conductivity and low resistive loss
• 100% tested for mechanical switching performance and electrical switching performance
• Cross-reference: Dorman OE Solutions 901-185

Detailed Description

Standard Ignition DS-1448 is an electrical door lock switch for GM full-size trucks and Suburban applications from 1988-1989. It is engineered with durable materials and copper alloy conductors to maintain consistent signal transfer in the power door lock circuit. The switch is a direct-fit service part for vehicles that use a single switch and black finish, including Chevrolet C1500, K1500, V1500 Suburban, and related GMC C/K truck models.

This part cross-references Dorman OE Solutions 901-185 for the same application. The DS-1448 part number is also commonly searched for replacement needs on Chevrolet C1500 and GMC K1500 door lock switch repairs.

Common Problems It Can Solve

• Inoperative power door locks from a worn or failed switch
• Intermittent lock or unlock response at the driver or door control point
• Broken internal switch contacts causing inconsistent electrical switching
• Damaged connector or terminal interface at the switch
• Restoration of factory-style door lock control on GM trucks and Suburban models

Installation Notes and Tips

Verify connector style, terminal count, and finish before installation. This switch uses a male connector with 5 male bullet terminals, so matching the vehicle harness is important for proper fitment. Confirm the application is a single-switch setup where noted, especially on 1988 Chevrolet V10 Suburban and 1989 Chevrolet V1500 Suburban listings.

Quality Assurance

Standard Ignition builds this switch with robust materials and tests each unit for both mechanical and electrical switching performance. The DS-1448 is intended to meet the demands of professional service replacement on GM electrical systems.