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Dorman 973-559 HVAC Blower Motor Resistor Kit
| Brand | Dorman 973-559 |
|---|---|
| Connector Gender | Female |
| Connector Quantity | 1 |
| Gasket or Seal Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 3 |
| Package Contents | 1 Blower Motor Resistor; 1 Wire Harness |
| Terminal Gender | Male |
| Terminal Quantity | 4 |
| Terminal Type | Blade |
| Wire Quantity | 4 |
| Wiring Harness Included | Yes |
| Wiring Harness Length | 6 |
| Fits | Ford and Lincoln · 7 vehicles |
Resistor kit. Includes a resistor and harness pigtail for a complete electrical repair.
Direct replacement. Replaces an overheated or corroded original equipment resistor.
Harness included. Comes with a 6-inch wire harness and blade terminals for easy connection.
Cross-references 4F2Z19A706BA, 4P1365 and JA1503 for the same application. See all 5.
HVAC Blower Motor Resistor Kit for Auxiliary Systems
Dorman 973-559 is an HVAC blower motor resistor kit that replaces a damaged original resistor and includes the matching harness pigtail. It is built for vehicles with auxiliary HVAC systems where heat, corrosion, or connector damage has affected blower speed control.
Key Features
- Includes a blower motor resistor and wire harness for a direct repair
- Blade-style terminals with a female connector and male terminals
- 4-wire harness with a 6-inch lead length
- 3 mounting holes for OE-style installation points
- Designed for auxiliary HVAC blower motor resistor service
- Direct replacement for Dorman 973-559 applications
Detailed Description
This Dorman HVAC blower motor resistor kit is made for restoring blower motor speed control when the original resistor has overheated or the connector has become corroded. The included harness pigtail addresses damaged wiring at the resistor connection, helping complete the repair at the source rather than only replacing the failed component. It is a fitment-based solution for 2007 Ford Expedition, 2007 Lincoln Navigator, and 1999-2003 Ford Windstar rear auxiliary heater and air conditioning systems. This part cross-references Monroe Shocks & Struts (e.g., 4F2Z19A706BA, 4P1365) for the same application.
What It Helps Fix
- Blower motor speeds that stop working or work intermittently
- Heat-damaged resistor circuits in auxiliary HVAC units
- Corroded or burned connector terminals at the resistor plug
- Loss of rear auxiliary heater and air conditioning blower control
- Electrical resistance issues that affect cabin airflow settings
Installation Notes and Tips
Verify the vehicle’s auxiliary HVAC configuration before ordering. This kit uses a 4-wire harness, blade terminals, and a 3-hole mounting pattern, so the replacement should match the original connector style and mounting layout. Inspect the blower motor connector and surrounding wiring for heat damage before installation, and replace any compromised terminals to avoid repeat failure. Compatible With 2007 Ford Expedition, auxiliary HVAC unit; 2007 Lincoln Navigator, auxiliary HVAC unit; and 1999-2003 Ford Windstar, rear auxiliary heater and air conditioning.
Quality Assurance
Dorman supplies OE-style replacement electrical components for repair-focused applications. Part number 973-559 is engineered as a service solution for vehicles that need a resistor and harness repair at the blower motor circuit.
| Year | Make | Model | Wheel Base | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Ford | Expedition | 119.0" | N/A | HVAC Blower Motor Resistor Kit - Fits most auxiliary HVAC units |
| 2007 | Lincoln | Navigator | 119.0" | N/A | HVAC Blower Motor Resistor Kit - Fits most auxiliary HVAC units |
| 2003 | Ford | Windstar | — | N/A | Rear Auxiliary Heater and Air Conditioning |
| 2002 | Ford | Windstar | — | N/A | Rear Auxiliary Heater and Air Conditioning |
| 2001 | Ford | Windstar | — | N/A | Rear Auxiliary Heater and Air Conditioning |
| 2000 | Ford | Windstar | — | N/A | Rear Auxiliary Heater and Air Conditioning |
| 1999 | Ford | Windstar | — | N/A | Rear Auxiliary Heater and Air Conditioning |
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