Dorman 645-512 HVAC Blower Motor Resistor Connector

Dorman 645-512 Blower Motor Resistor Connector

Dorman 645-512 is a 5-way female HVAC blower motor resistor connector built for vehicles where the original connector has been damaged by heat or corrosion. It uses corrosion-resistant metal terminals and 16-gauge leads to restore a secure electrical connection for the blower motor resistor circuit.

Key Features

• Female 5-terminal blade connector for HVAC blower motor resistor circuits
• Rectangular housing with 5-wire layout
• 16-gauge wire construction for repair applications
• Corrosion-resistant metal terminals for dependable contact
• Overall length: 15.75 in
• Direct replacement style for damaged OE connectors

Detailed Description

This Dorman HVAC blower motor resistor connector is designed for repair work on GM vehicles that use a 5-way female connector at the resistor. It is a practical replacement when the original plug has overheated, melted, or corroded and the blower motor resistor connection is no longer reliable. This part number, 645-512, is commonly searched for Chevrolet Impala, Chevrolet Malibu, Buick LaCrosse, Pontiac G6, and related applications.

This part cross-references Standard Ignition S-1619 for the same application.

What It Helps Fix

• Intermittent blower motor operation
• No fan speed response from the HVAC system
• Heat-damaged or melted resistor connector terminals
• Corrosion at the blower motor resistor plug
• Poor electrical contact causing HVAC fan failure

Installation Notes and Tips

Inspect the blower motor resistor and surrounding wiring before installation. If the connector shows signs of heat damage, replace any affected terminals or wiring sections as needed and verify a solid blade-terminal connection. Confirm vehicle application by year, make, and model before ordering. Compatible With 2004-2013 Chevrolet Impala, 2004-2012 Chevrolet Malibu, 2005-2010 Pontiac G6, and other listed GM applications.

• Fits 2014-2015 Chevrolet Impala Limited, N/A
• Fits 2004-2013 Chevrolet Impala, N/A
• Fits 2004-2012 Chevrolet Malibu, N/A
• Fits 2005-2010 Buick Allure, N/A
• Fits 2005-2010 Pontiac G6, N/A
• Fits 2005-2009 Buick LaCrosse, N/A
• Fits 2007-2009 Saturn Aura, N/A
• Fits 2004-2008 Pontiac Grand Prix, N/A
• Fits 2004-2007 Chevrolet Monte Carlo, N/A
• Fits 2005 Buick Century, N/A

Quality Assurance

Dorman designs replacement electrical components to address common OE failure points such as corrosion and heat-related connector damage. Part number 645-512 is built as a service replacement for the original blower motor resistor connector used in the listed applications.