Dorman 973-400 HVAC Blower Motor Resistor Kit

Reliable HVAC Blower Motor Resistor Kit for Chevrolet, Oldsmobile, Pontiac

The Dorman 973-400 HVAC Blower Motor Resistor Kit is designed to restore proper blower motor function in select Chevrolet, Oldsmobile, and Pontiac vehicles. This kit includes a blower motor resistor and a wiring harness to ensure a secure and efficient electrical connection.

• Includes 1 blower motor resistor and 1 wiring harness
• Wiring harness length: 6 inches for easy installation
• Blade terminal type with 5 male terminals for reliable connectivity
• Single female connector with 5 terminals for secure fit
• Two mounting holes for stable resistor placement
• Wiring harness included for direct replacement
• No mounting hardware or gasket/seal included

Detailed Product Description

The Dorman 973-400 blower motor resistor kit is engineered to meet the electrical requirements of HVAC systems in Chevrolet Alero, Oldsmobile Alero and Cutlass, Pontiac Grand Am, and Chevrolet Malibu models. The included wiring harness measures 6 inches, providing sufficient length for straightforward installation without excess slack. Featuring blade-type terminals, the kit offers five male terminals on the wiring harness that connect to a single female connector with five terminals, ensuring a secure and stable electrical connection. The resistor unit mounts using two mounting holes, allowing for proper alignment and fitment within the HVAC system. This kit does not include mounting hardware or gaskets, so existing hardware should be reused or sourced separately.

Common Applications and Issues Resolved

• Restores blower motor speed control in Chevrolet Alero and Malibu HVAC systems
• Fixes intermittent or non-functioning blower motor speeds in Pontiac Grand Am
• Resolves overheating or failure of blower motor resistor in Oldsmobile Cutlass and Classic models
• Eliminates electrical connection issues caused by damaged wiring harnesses
• Addresses blower motor resistor failures that cause HVAC blower to operate only on high speed

Installation Notes and Tips

• Ensure vehicle compatibility with Chevrolet Alero, Oldsmobile Alero, Cutlass, Classic, Pontiac Grand Am, or Chevrolet Malibu before installation
• Disconnect the vehicle battery before beginning installation to prevent electrical shorts
• Use the included wiring harness to replace the original resistor wiring for a secure connection
• Retain existing mounting hardware or acquire appropriate fasteners for the two mounting holes
• Verify all electrical connections are tight and free of corrosion before reassembly

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 973-400 blower motor resistor kit undergoes quality control testing to ensure reliable performance in compatible Chevrolet, Oldsmobile, and Pontiac vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.