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Four Seasons 20505 HVAC Blower Motor Resistor - Front or Rear
Overview of Four Seasons Resistor Block 20505
The Four Seasons Resistor Block 20505 is designed to regulate blower motor speeds in HVAC systems for select Ford and Lincoln vehicles. This HVAC blower motor resistor ensures consistent airflow control, specifically engineered for models like the Ford Explorer and Lincoln Blackwood.
- Connector Gender: Female
- Connector Shape: Rectangular
- Number of Terminals: 3
- Speed Setting: Fixed #2
- Type: Switches
About the Four Seasons Resistor Block Product Line
The Resistor Block line by Four Seasons focuses on reliable HVAC components that maintain proper blower motor function. This product line includes resistors designed to match OEM specifications, providing stable blower motor speed control and compatibility with various vehicle models. The 20505 resistor block is part of this line, offering a precise fit and consistent performance for Ford and Lincoln HVAC systems.
Detailed Product Description
The Four Seasons 20505 resistor block features a female rectangular connector with three terminals, designed to interface seamlessly with the vehicle's HVAC wiring harness. Its fixed speed setting (#2) allows it to regulate blower motor speed effectively, ensuring proper airflow through the heating and cooling system. This resistor block is a switch-type component, integral to controlling the blower motor's operation in vehicles such as the Ford Expedition and Explorer Sport Trac.
Common Applications and Issues Addressed
- Restores blower motor speed control in Ford Blackwood and Lincoln models
- Resolves HVAC blower motor stuck on one speed or not working at certain speeds
- Fixes inconsistent airflow or blower motor failure due to resistor block malfunction
- Addresses electrical connection issues with a female rectangular connector
- Improves HVAC system reliability in Ford Explorer Sport and Expedition vehicles
Installation Notes and Tips
- Ensure vehicle compatibility with Ford and Lincoln models listed before installation
- Disconnect the battery before replacing the resistor block to avoid electrical shorts
- Verify the connector gender and shape match the existing wiring harness (female, rectangular)
- Handle the resistor block carefully to avoid damage to terminals during installation
- Test blower motor operation at all speeds after installation to confirm proper function
Quality Assurance and Warranty
Four Seasons manufactures the 20505 resistor block to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. This ensures dependable operation for HVAC blower motor control in compatible Ford and Lincoln vehicles.
| Brand | Four Seasons |
| Part Number | 20505 |
| Position | Resistor Block, Rear |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Description | Resistor Block |
| Number of Terminals | 3 |
| Speed | Fixed # 2 |
| Type | Switches |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Ford | Explorer Sport Trac | Rear | Resistor Block |
| 2004 | Ford | Explorer Sport Trac | Rear | Resistor Block |
| 2003 | Ford | Explorer Sport | Rear | Resistor Block |
| 2003 | Ford | Explorer Sport Trac | Rear | Resistor Block |
| 2003 | Lincoln | Blackwood | N/A | Console; Resistor Block |
| 2002 | Ford | Expedition | N/A | Console; Resistor Block |
| 2002 | Ford | Expedition | Front | Console; Resistor Block |
| 2002 | Ford | Expedition | Rear | Console; Resistor Block |
| 2002 | Ford | Explorer Sport | Rear | Resistor Block |
| 2002 | Ford | Explorer Sport Trac | Rear | Resistor Block |
| 2002 | Lincoln | Blackwood | N/A | For Console; Resistor Block |
| 2001 | Ford | Expedition | N/A | Console; Resistor Block |
| 2001 | Ford | Expedition | Front | Console; Resistor Block |
| 2001 | Ford | Expedition | Rear | Console; Resistor Block |
| 2001 | Ford | Explorer | Rear | Resistor Block |
| 2001 | Ford | Explorer Sport | Rear | Resistor Block |
| 2001 | Ford | Explorer Sport Trac | Rear | Motor Resistor |
| 2000 | Ford | Expedition | N/A | Console; Resistor Block |
| 2000 | Ford | Expedition | Front | Console; Resistor Block |
| 2000 | Ford | Expedition | Rear | Console; Resistor Block |
| 2000 | Ford | Explorer | N/A | For Console; Resistor Block |
| 1999 | Ford | Expedition | N/A | Console; Resistor Block |
| 1999 | Ford | Expedition | Front | Console; Resistor Block |
| 1999 | Ford | Expedition | Rear | Console; Resistor Block |
| 1999 | Ford | Explorer | N/A | For Console; Resistor Block |
| 1998 | Ford | Expedition | N/A | Console; Resistor Block |
| 1998 | Ford | Expedition | Front | Console; Resistor Block |
| 1998 | Ford | Expedition | Rear | Console; Resistor Block |
| 1998 | Ford | Explorer | N/A | For Console; Resistor Block |
| 1997 | Ford | Expedition | N/A | Console; Resistor Block |
| 1997 | Ford | Expedition | Front | Console; Resistor Block |
| 1997 | Ford | Expedition | Rear | Console; Resistor Block |
| 1997 | Ford | Explorer | N/A | For Console; Resistor Block |
| 1996 | Ford | Explorer | N/A | For Console; Resistor Block |
| 1995 | Ford | Explorer | N/A | For Console; Resistor Block |
* 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.