Dorman 645-205 Headlight Connector

Dorman 645-205 Headlight Connector

Dorman 645-205 is a headlight connector pigtail built to match the appearance and function of the original connector on specified vehicles. It uses a polymer housing with blade terminals and a 16-inch wiring harness for a direct repair of damaged headlamp wiring.

Compatible with select 2005-2009 Pontiac and Chevrolet models, including Chevrolet Cobalt, Pontiac G4, Pontiac G5, and Pontiac Pursuit applications with clear outer lens headlamp setups. The Dorman 645-205 headlight connector is a practical OE-style replacement for restoring a secure electrical connection at the headlight.

Key Features

• OE-style headlight connector for specified applications
• Polymer connector body in black, blue, and gray
• Female terminal design with blade terminals
• 7-wire harness with 18-gauge wiring
• 16-inch wiring harness included for repair work
• Designed for reliable electrical performance and durability
• Cross-reference part number: 22740620

Product Details

This Dorman headlight connector, part number 645-205, is engineered to restore the original connector interface on select Chevrolet Cobalt and Pontiac G5, G4, and Pursuit vehicles. The circular, oval, and rectangular connector shapes reflect the OE-style design used across the listed applications, while the female terminal layout supports a secure blade-terminal connection. For buyers searching for a 2005-2008 Chevrolet Cobalt headlight connector or a 2007-2009 Pontiac G5 headlight pigtail, this part provides a direct repair solution.

Built from quality materials, the connector is made to match original hardware appearance and function. The 7-wire, 10-terminal configuration and included harness make it suitable for repairing damaged, corroded, or heat-affected headlight wiring on the confirmed fitment vehicles. Part number 645-205 is also a useful reference when comparing OE-style replacement options for these Pontiac and Chevrolet headlight connector applications.

Common Problems This Part Can Address

• Broken or cracked headlight connector housing
• Corroded or heat-damaged electrical terminals
• Intermittent headlamp operation caused by poor connector contact
• Worn wiring at the headlight plug
• Failed OE connector on clear outer lens headlamp applications

Installation Notes and Tips

Verify connector shape, terminal count, and wire configuration against the original part before installation. Match the wiring carefully during splice-in repair work, and inspect the headlamp circuit for heat damage, corrosion, or brittle insulation before connecting the new pigtail. This part is listed for 2005-2008 Chevrolet Cobalt, 2005-2006 Pontiac G4, 2005-2006 Pontiac Pursuit, and 2007-2009 Pontiac G5 applications with clear outer lens notes where specified.

Quality Assurance

Dorman designs this headlight connector to match original hardware appearance and function on the specified applications. It is made from quality materials for dependable performance and durability in headlight circuit repair.