Standard Ignition DWS-791 Door Window Switch - Front Left

OE-Style Power Window Switch for Lincoln

The Standard Ignition DWS-791 is a direct-fit door window switch built to restore power window operation on select Lincoln vehicles. It uses copper alloy conductors for strong electrical conductivity and low resistive loss, with OE-spec construction for proper fit, form, and function.

Compatible With 2006-2010 Lincoln MKZ, front left; 2006-2007 Lincoln MKX, front left; 2007-2010 Lincoln Navigator, front left; and 2006 Lincoln Zephyr, front left. This part number, DWS-791, is a practical replacement when the original switch no longer responds correctly.

Key Features

• Direct-fit OE-replacement door window switch
• Restores power window switch function
• Copper alloy conductors for efficient electrical flow
• Built to OE specifications for fit, form, and function
• Female connector design with male terminals
• 8 and 7 terminal configurations with blade and pin terminal types

Detailed Description

Standard Ignition DWS-791 is engineered for the front left door on select Lincoln MKZ, Navigator, MKX, and Zephyr applications. The switch is manufactured to OE specification and uses durable materials suited to the demands of professional service work. If you are replacing a worn or unresponsive driver-side window switch, DWS-791 provides a straightforward electrical replacement for the original unit.

This part cross-references 1S9178 and 6H6Z14529AAB for the same application. For Lincoln MKZ, Lincoln Navigator, and Lincoln Zephyr front left applications, DWS-791 supports a clean OE-style repair without changing the original switch layout.

Common Issues This Part Can Solve

• Power window switch does not respond
• Window operation is intermittent from the front left door
• Driver-side switch contacts are worn or damaged
• Electrical connection at the switch is unreliable
• Original switch no longer matches OE fit or function

Installation Notes and Tips

Verify connector style, terminal count, and door position before installation. This switch is for the front left location and uses female connectors with male blade and pin terminals. Confirm vehicle year and model match the listed fitment for Lincoln MKZ, Navigator, MKX, or Zephyr before replacing the original unit.

Quality Assurance

Standard Ignition manufactures each switch to OE specification and maintains quality control throughout the production process. The DWS-791 is built with service-grade materials and copper alloy conductors to support consistent electrical performance.