Dorman 901-339 Door Window Switch - Front Left

Reliable Door Window Switch for Ford, Lincoln, and Mercury Vehicles

The Dorman 901-339 door window switch is designed to restore power window functionality in select Ford, Lincoln, and Mercury models. This black, illuminated switch offers a direct replacement solution for vehicles including the Ford F-150, Lincoln Navigator, and Mercury Marauder.

Key Features of the Dorman 901-339 Door Window Switch

• Color: Black housing for a factory-matched appearance
• Illuminated switch for easy operation in low light conditions
• Blade-type terminals with male terminals and female connector for secure electrical connections
• Durable plastic housing designed for long-lasting use
• Includes one door window switch per package
• Compatible with Ford Crown Victoria, Expedition, F-150, Lincoln Grand Marquis, Marauder, and Mark LT models

Detailed Description of the Dorman 901-339 Switch

This Dorman door window switch (part number 901-339) is engineered to meet the electrical and mechanical specifications of original equipment. The illuminated feature ensures visibility during nighttime driving, while the blade terminal design facilitates straightforward installation and reliable connectivity. The plastic housing provides resistance to wear and environmental factors, maintaining switch integrity over time. This switch is a direct fit for various Ford, Lincoln, and Mercury vehicles, making it a practical replacement for malfunctioning or worn-out window switches.

Common Applications and Issues Addressed

• Restores power window control when the original switch fails to operate
• Fixes intermittent or non-responsive window switches in Ford F-150 and Lincoln Grand Marquis
• Replaces switches with damaged or worn illumination features
• Solves electrical connection problems caused by faulty blade terminals
• Addresses cosmetic wear on the switch housing affecting interior aesthetics

Installation Notes and Tips

• Ensure vehicle compatibility with Ford Crown Victoria, Expedition, F-150, Lincoln Grand Marquis, Marauder, or Mark LT before installation
• Disconnect the vehicle battery prior to switch replacement to prevent electrical shorts
• Use appropriate tools to remove the door panel carefully without damaging clips or trim
• Verify the blade terminal connections are secure and free of corrosion
• Test the switch illumination and window operation before reassembling the door panel

Quality Assurance and Warranty Information

Dorman manufactures this door window switch to meet or exceed OEM standards for fit, form, and function. While no instruction manual or mounting hardware is included, the switch is designed for straightforward installation by professional technicians or experienced DIYers. The product is backed by Dorman's limited warranty, ensuring coverage against defects in materials and workmanship under normal use.