Standard Ignition DS-1556 Door Window Switch

Door Window Switch for GM Trucks

The Standard Ignition DS-1556 is a black power window switch built for select Chevrolet and GMC full-size trucks from the early 1990s. It uses a 5-pin male terminal layout and copper alloy conductors to support consistent electrical flow and reliable switching performance.

Key Features

• Power window switch for select Chevrolet C/K and GMC C/K applications
• Black plastic finish for a factory-style appearance
• Male connector and male terminals with 5 pins
• Copper alloy conductors for low-resistance electrical transfer
• 100% tested for mechanical and electrical switching performance
• Standard Ignition DS-1556 for direct replacement service

Detailed Description

Standard Ignition DS-1556 is a door window switch engineered for service replacement on compatible Chevrolet C1500, C2500, C3500, K1500, K2500, K3500, R3500, and V3500 models, along with GMC C1500, C2500, C3500, K1500, K2500, K3500, and 1995 GMC C1500 applications. It is also listed for 1990-1994 GMC trucks with a single switch and black finish. The DS-1556 part number is associated with a robust housing, copper alloy conductors, and verified electrical and mechanical operation for dependable power window control.

This part cross-references Continental 49239 for the same application.

What It Helps Fix

• Inoperative power window switch response
• Intermittent window operation from worn internal contacts
• Sticking or inconsistent switch feel
• Electrical resistance that affects window motor activation
• Cracked or faded original switch appearance

Installation Notes and Tips

Confirm connector style, terminal count, and vehicle configuration before installation. This DS-1556 switch uses a male connector with 5 male pins, so matching the original plug is important for proper fitment. Verify the vehicle application carefully on Chevrolet and GMC C/K trucks, especially 1990-1994 models with round-body or single-switch black-finish configurations.

Quality Assurance

Standard Ignition states that this switch is built with durable materials and tested for both mechanical action and electrical performance to meet service-professional demands.