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Dorman 973-557 HVAC Blower Motor Resistor Kit
Reliable HVAC Blower Motor Resistor Kit for Mercury Quest and Nissan Villager
The Dorman 973-557 HVAC blower motor resistor kit is designed to restore proper blower motor function in select Mercury and Nissan vehicles. This kit includes a blower motor resistor and a wiring harness, engineered to meet the electrical demands of your HVAC system.
- Includes 1 blower motor resistor and 1 wiring harness with a 6-inch length
- Features 4 male blade terminals and 1 female connector for secure electrical connections
- Equipped with 3 mounting holes for stable installation (mounting hardware not included)
- Wiring harness included with 4 wires and 4 terminals for seamless integration
- Compatible with Mercury Quest and Nissan Villager models
Detailed Product Description
The Dorman 973-557 blower motor resistor kit is specifically designed for HVAC electrical connector replacement in Mercury Quest and Nissan Villager vehicles. The included wiring harness measures 6 inches, providing sufficient length for straightforward installation. The resistor features four male blade terminals that connect to a female connector on the wiring harness, ensuring a reliable electrical interface. With three mounting holes, the resistor can be securely fastened to the HVAC housing, although mounting hardware is not included in the kit. This kit addresses common blower motor resistor failures by providing a complete replacement assembly that integrates both the resistor and wiring harness.
Common Applications and Issues Resolved
- Restores blower motor speed control in Mercury Quest and Nissan Villager HVAC systems
- Eliminates intermittent or non-functioning blower motor speeds
- Resolves overheating or electrical resistance issues in the blower motor circuit
- Prevents blower motor from operating only on high speed
- Addresses wiring harness damage or connector corrosion problems
Installation Notes and Tips
- Verify vehicle compatibility with Mercury Quest or Nissan Villager models before installation
- Disconnect the battery prior to installation to avoid electrical shorts
- Use the three mounting holes to secure the resistor firmly; mounting hardware must be sourced separately
- Ensure all blade terminals are fully seated in the female connector for optimal electrical contact
- Inspect the wiring harness for any signs of wear or damage before installation
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 973-557 blower motor resistor kit undergoes rigorous quality control to ensure durability and reliable performance in Mercury Quest and Nissan Villager HVAC systems. Please refer to Dorman's warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | 973-557 |
| 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 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1998 | Mercury | Villager | N/A | Main Unit |
| 1998 | Nissan | Quest | N/A | Main Unit |
| 1997 | Mercury | Villager | N/A | Main Unit |
| 1997 | Nissan | Quest | N/A | Main Unit |
| 1996 | Mercury | Villager | N/A | Main Unit |
| 1996 | Nissan | Quest | N/A | Main Unit |
| 1995 | Mercury | Villager | N/A | Main Unit |
| 1995 | Nissan | Quest | N/A | Main Unit |
| 1994 | Mercury | Villager | N/A | Main Unit |
| 1994 | Nissan | Quest | N/A | Main Unit |
| 1993 | Mercury | Villager | N/A | Main Unit |
| 1993 | Nissan | Quest | N/A | Main Unit |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.