Dorman 645-528 HVAC Blower Motor Resistor Connector

Reliable HVAC Blower Motor Resistor Connector for GM Vehicles

The Dorman 645-528 HVAC blower motor resistor connector is designed to provide a secure and durable electrical connection for your vehicle's HVAC system. Compatible with various Buick, Chevrolet, GMC, Oldsmobile, Pontiac, and Saturn models, this connector ensures consistent blower motor performance.

• Wire gauge measurement: 12 gauge for optimal current handling
• Four-wire configuration to support multi-speed blower motors
• Female blade terminals made of tin-plated brass for corrosion resistance
• Overall length of 15.75 inches for flexible installation
• Includes 1 harness, 2 butt connectors, and 1 lock for secure connections

Durable Construction and Precise Fitment

The Dorman 645-528 blower motor resistor connector features a 12-gauge wire size, suitable for handling the electrical load of HVAC blower motors in select GM vehicles. The female blade terminals are crafted from tin-plated brass, providing reliable conductivity and resistance to corrosion over time. With four wires, this connector supports multi-speed blower motor systems commonly found in models such as the Chevrolet Colorado, GMC Canyon, Buick Terraza, and Pontiac G6. The 15.75-inch overall length allows for easy routing and installation within the vehicle's HVAC system.

Compatible Vehicles and Applications

This connector is compatible with a range of GM vehicles, including Buick Aura and Terraza, Chevrolet Cobalt, Colorado, Express 1500/2500/3500, HHR, Malibu, SSR, and Trailblazer models, GMC Bravada, Canyon, Envoy series, and Saturn Aura and Vibe. It is specifically designed to replace worn or damaged blower motor resistor connectors, restoring proper electrical connection and blower motor function.

• Resolves intermittent blower motor operation
• Fixes blower motor speeds that do not change
• Eliminates electrical connection issues causing HVAC failure
• Prevents overheating and potential wiring damage
• Restores proper HVAC blower motor resistor function

Installation Notes and Tips

Installation of the Dorman 645-528 connector requires basic electrical knowledge and tools. Use the included butt connectors to splice into existing wiring securely. Ensure all connections are tight and insulated to prevent moisture intrusion. The 15.75-inch length provides flexibility for routing, but verify fitment with your specific vehicle model before installation. Disconnect the vehicle battery before beginning work to avoid electrical shorts.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The 645-528 blower motor resistor connector undergoes quality checks to maintain consistent electrical conductivity and fitment. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship.