Dorman 645-589 Wiring Harness Connector

Reliable Multi-Purpose Wiring Harness Connector for GM Vehicles

The Dorman 645-589 multi-purpose wiring harness connector is designed to provide secure and efficient electrical connections for a variety of General Motors vehicles. With a wiring harness length of 9.45 inches and 18-gauge wire, this connector supports reliable power and signal transmission in automotive electrical systems.

• Wiring harness length: 9.45 inches
• Wire gauge: 18 AWG for optimal current capacity
• Two female terminals with blade and Aspa terminal types
• Terminals made of tin brass for corrosion resistance
• Includes one complete wiring harness

Durable Construction and Technical Specifications

The Dorman 645-589 wiring harness connector features two female terminals constructed from tin brass, combining the conductivity of brass with the protective qualities of tin plating. The terminals include both blade and Aspa types, ensuring compatibility with various automotive electrical components. The 18-gauge wire provides a balance between flexibility and electrical load capacity, making it suitable for multiple applications within the vehicle's electrical system. The harness length of 9.45 inches allows for convenient routing and connection in tight engine compartments or body panels.

Compatible Vehicles and Applications

This wiring harness connector is compatible with a wide range of GM makes and models, including Buick, Cadillac, Chevrolet, GMC, Hummer, Oldsmobile, Pontiac, and Saturn. It fits popular models such as the Chevrolet Silverado 1500 HD, GMC Sierra 2500 HD, Cadillac Escalade, Buick LeSabre, Pontiac Grand Prix, and many others. The Dorman 645-589 is ideal for repairing or replacing damaged connectors in electrical systems related to lighting, body controls, and other electrical components.

• Restores secure electrical connections in lighting and body systems
• Replaces worn or corroded wiring harness connectors
• Solves intermittent electrical faults caused by poor terminal contact
• Supports repairs in GM trucks, SUVs, and passenger cars
• Facilitates maintenance of factory wiring harness integrity

Installation Notes and Tips

When installing the Dorman 645-589 wiring harness connector, ensure the terminals are properly seated and locked into place to prevent disconnection. Use appropriate crimping tools for the 18-gauge wire to maintain terminal integrity and electrical conductivity. Verify compatibility with the vehicle’s wiring schematic before installation. It is recommended to inspect the surrounding wiring and connectors for damage or corrosion to ensure a reliable repair.

Quality Assurance and Warranty Information

Dorman manufactures the 645-589 wiring harness connector to meet or exceed OEM standards for fit, form, and function. The tin brass terminals provide enhanced corrosion resistance, contributing to long-term durability in automotive environments. This product is backed by Dorman’s limited warranty, which covers defects in material and workmanship under normal use conditions.