Dorman 645-938 Headlight Switch Connector

Headlight Switch Connector for Dodge Trucks

Dorman 645-938 is a headlight switch connector built to match the appearance and function of the original connector on select Dodge applications. It uses quality materials for dependable electrical performance and long-term durability in daily driving conditions.

Key Features

• Direct replacement headlight switch connector for select Dodge vehicles
• 8.27-inch wiring harness length for service replacement use
• 12-gauge wire with 9-wire layout
• Female blade terminals for secure electrical connection
• Tin brass terminal material for conductivity and corrosion resistance
• Engineered to match OE-style fit and function

Detailed Description

This Dorman headlight switch connector, part number 645-938, is designed for Dodge B150, B250, B350, Dakota, Ram 1500, Ram 2500, Ram 3500, D150, D250, D350, W150, W250, W350, and Ramcharger applications across the 1990-1996 model years. It is a practical replacement when the original connector shows heat damage, worn terminals, or broken locking integrity. This part cross-references Standard Ignition S-720 for the same application.

Built with blade-style female terminals and tin brass terminal material, 645-938 is intended to restore a stable electrical interface at the headlight switch. The harness length and wire gauge are selected to support service replacement on the listed Dodge trucks and vans while maintaining OE-style appearance and function. For buyers searching for a Dodge Dakota headlight switch connector or a Dodge Ram 1500 headlight switch connector, this part number provides a direct-fit repair option.

What It Helps Fix

• Intermittent or failed headlight switch electrical contact
• Heat-damaged or melted connector housing at the switch
• Loose terminal fit that can cause lighting faults
• Corrosion at the connector terminals
• Wiring repair needs after connector failure

Installation Notes and Tips

• Verify connector shape, terminal count, and wire gauge before installation.
• Inspect the headlight switch and surrounding wiring for heat damage before connecting the new harness.
• Use proper electrical repair practices when splicing or terminating wires.
• Confirm vehicle application by year and model: Fits 1990-1996 Dodge Dakota, Fits 1994-1996 Dodge Ram 1500, and Fits 1990-1993 Dodge D150.
• Additional listed applications include Dodge B1500, B2500, B3500, Ram 2500, Ram 3500, B150, B250, B350, D250, D350, Ramcharger, W150, W250, and W350.

Quality Assurance

Dorman designs this connector as a replacement for the original hardware on the specified applications, using quality materials for reliable performance and durability. Part number 645-938 is built to restore proper electrical connection in compatible Dodge truck and van lighting circuits.