Dorman 645-783 Tail Light Socket

Reliable Tail Light Socket for Ford, Lincoln, and Mercury Vehicles

The Dorman 645-783 tail light socket is designed to provide a secure and durable electrical connection for tail lights on select Ford, Lincoln, and Mercury models. Engineered with a female blade terminal and tin brass construction, this socket ensures consistent performance without the need for a wiring harness.

Key Features of the Dorman 645-783 Tail Light Socket

• Female terminal gender with blade design for reliable electrical contact
• Constructed from tin brass (tin plate) for corrosion resistance
• Overall length of 2.3 inches for proper fitment
• Does not include wiring harness, designed for direct socket replacement
• Package contains one tail light socket
• Not water resistant; intended for protected tail light socket applications
• Compatible with zero wire quantity, suitable for existing wiring setups

Detailed Description and Compatibility

This tail light socket by Dorman, part number 645-783, is specifically compatible with a range of Ford, Lincoln, and Mercury vehicles including the Ford F-150, F-250 Super Duty, F-350 Super Duty, Ranger, and Aerostar, as well as the Lincoln Town Car and Mercury Sable and Taurus models. The female blade terminal design allows for a secure connection to the vehicle’s tail light wiring, while the tin brass terminal material offers resistance to corrosion and wear. With an overall length of 2.3 inches, this socket fits precisely in the tail light assembly without requiring additional wiring harnesses.

Common Applications and Issues Addressed

• Replacement of damaged or corroded tail light sockets in Ford F-150 and F-250 Super Duty trucks
• Restoring electrical connectivity in tail lights of Lincoln Town Car and Mercury Sable
• Fixing intermittent tail light failures caused by worn blade terminals
• Addressing socket fitment issues in Mercury Taurus and Ford Ranger tail light assemblies
• Providing a direct socket replacement without the need for rewiring

Installation Notes and Tips

• Ensure the vehicle’s tail light wiring is intact before installation
• Disconnect the battery to prevent electrical shorts during replacement
• Align the female blade terminals carefully to avoid bending or damage
• Verify the socket length and fitment with the existing tail light assembly
• Test the tail light function after installation to confirm proper electrical connection

Quality Assurance and Warranty Information

Dorman manufactures the 645-783 tail light socket to meet OEM standards for fit and function. The tin brass terminal material is selected for durability and corrosion resistance, ensuring reliable performance over time. While this socket is not water resistant, it is designed for use within the protected environment of the tail light housing. Please refer to Dorman’s warranty policy for specific coverage details related to this part.