4720278 973-020 HVAC Fan Blower Motor Resistor

4720278 973-020 HVAC Fan Blower Motor Resistor4720278 973 020 HVAC Fan Blower Motor Resistor Key Features Direct fit replacement for the original equipment (OE) component. Restores full functionality to the vehicle's heating and air conditioning fan speed controls. Engineered with robust materials to ensure reliability and a long service life. Includes resistor and wiring harness pigtail for a complete installation. Replaces Cross Reference Part Numbers 4720278 973 020 68004241AA 68004539AA

4720278 973-020 HVAC Fan Blower Motor Resistor

Key Features

• Direct-fit replacement for the original equipment (OE) component.
• Restores full functionality to the vehicle's heating and air conditioning fan speed controls.
• Engineered with robust materials to ensure reliability and a long service life.
• Includes resistor and wiring harness pigtail for a complete installation.

Replaces / Cross-Reference Part Numbers

• 4720278
• 973-020
• 68004241AA
• 68004539AA
• 5012212AA
• RU109
• RU876
• CR153

Compatibility & Fitment

• Dodge:
  • Ram 1500 (1994-2008)
  • Ram 2500 (1994-2009)
  • Ram 3500 (1994-2009)
• Jeep:
  • Grand Cherokee (1993-1999)

When to Replace

• The HVAC fan only works on the highest setting.
• Fan speed cannot be adjusted or works intermittently.
• No air blows from the vents at any speed setting.
• The original resistor or connector shows signs of burning or corrosion.

Installation Tips

• Disconnect the negative battery terminal before starting the replacement.
• Locate the resistor, typically under the passenger-side dashboard, mounted in the HVAC air duct.
• Disconnect the electrical harness and remove the screws securing the old resistor.
• Thoroughly inspect the electrical connector for melting or damage; replace if needed.
• Securely install the new resistor before reconnecting the harness and battery.