Standard Ignition DWS-977 Door Window Switch - Right

Overview of Standard Ignition Door Window Switch DWS-977

The Standard Ignition DWS-977 is a reliable power window switch designed specifically for select BMW models. Engineered to meet OEM specifications, this door window switch ensures smooth operation of your vehicle's power windows, restoring convenience and functionality.

• Terminal Quantity: 3
• Connector Gender: Female
• Terminal Gender: Male
• Terminal Type: Blade
• Function: Power window switch
• Contents: Switch only

Detailed Product Description

This door window switch from Standard Ignition features a 3-terminal design with male blade terminals and a female connector, providing secure and efficient electrical connections. The blade terminal type is common in automotive electrical systems, ensuring compatibility and ease of installation. Designed for power window control, this switch is built to handle the electrical load required for smooth window operation in BMW 1 Series M, 128i, and 135i models. The DWS-977 part number corresponds to a direct replacement switch that maintains the original functionality of your vehicle’s door window controls.

Compatible Vehicles and Applications

This power window switch is compatible with the following BMW models:

• BMW 1 Series M
• BMW 128i
• BMW 135i

Use the Standard Ignition DWS-977 switch to replace faulty or worn-out power window switches in these vehicles, ensuring proper window operation and driver convenience.

Common Issues Addressed by This Switch

• Power window not responding or operating intermittently
• Window stuck in the up or down position
• Loose or damaged electrical connections in the door switch
• Switch button failure or physical damage
• Electrical short or malfunction within the door window control circuit

Installation Notes and Tips

• Disconnect the vehicle battery before installation to prevent electrical shorts
• Carefully remove the door panel to access the existing window switch
• Verify connector type and terminal configuration matches the DWS-977 switch
• Ensure all blade terminals are securely connected to avoid intermittent operation
• Test window operation before reassembling the door panel

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing dependable performance and durability. The DWS-977 door window switch undergoes rigorous quality control to ensure proper fit and function. Warranty coverage details vary by distributor but typically include protection against defects in materials and workmanship.