Dorman 645-712 HVAC Blower Motor Resistor Connector

Dorman 645-712 HVAC Blower Motor Resistor Connector

Restore a damaged blower motor resistor connection with this Dorman HVAC blower motor resistor connector. It is built to replace an original equipment connector affected by corrosion or overheating, helping bring back dependable electrical contact in the HVAC blower circuit.

Designed for select Chrysler, Dodge, Jeep, and Toyota applications, Dorman 645-712 uses corrosion-resistant terminals and a 6-wire pigtail layout for a direct-style repair. It is a practical choice when the original connector has heat damage, melted terminals, or broken locking surfaces.

Key Features

• HVAC blower motor resistor connector for electrical repair
• Corrosion-resistant terminals for stable conductivity
• 16-gauge wire construction
• Blade terminal design with male and female terminals
• 16.14-inch overall length for harness repair work
• Tin brass, tin-plated terminal material
• Fits select Chrysler 200, Dodge Avenger, Dodge Caliber, Jeep Compass, Jeep Patriot, Chrysler Sebring, Dodge Journey, Toyota Echo, and Toyota Corolla applications

Product Details

Dorman 645-712 is an HVAC blower motor resistor connector made to replace an OE connector that has been damaged by heat or corrosion. The connector uses blade-style terminals and 16-gauge wiring to support a reliable electrical connection in the blower motor resistor circuit. This part number, 645-712, is commonly searched for repair work on Chrysler 200, Dodge Caliber, and Toyota Corolla HVAC harness assemblies.

This part cross-references Standard Ignition S-2117 for the same application.

Common Problems This Part Can Address

• Blower motor stops working because the connector is heat damaged
• Intermittent HVAC fan operation caused by corroded terminals
• Melted or loose resistor connector pins
• Poor electrical contact at the blower motor resistor harness
• Connector failure after overheating in the HVAC circuit

Installation Notes and Tips

Inspect the resistor, wiring, and surrounding harness before installation. If the original connector shows signs of melting or corrosion, repair any damaged wire ends before connecting the new pigtail. Verify terminal orientation and wire routing against the vehicle harness before final assembly. Compatible applications include Fits 2011-2015 Chrysler 200, N/A; Fits 2008-2014 Dodge Avenger, N/A; Fits 2007-2012 Dodge Caliber, N/A; Fits 2012 Jeep Compass, N/A; Fits 2012 Jeep Patriot, N/A; Fits 2010-2011 Jeep Compass, N/A; Fits 2010-2011 Jeep Patriot, N/A; Fits 2007-2010 Chrysler Sebring, N/A; Fits 2009-2010 Dodge Journey, N/A; Fits 2007-2009 Jeep Compass, N/A; Fits 2007-2009 Jeep Patriot, N/A; Fits 2000-2005 Toyota Echo, N/A; Fits 1998-2002 Toyota Corolla, N/A.

Quality Assurance

Dorman designs replacement electrical connectors to address common OE failure points such as corrosion and overheating. The tin-plated brass terminal material and corrosion-resistant contact design support consistent performance in HVAC repair applications.