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Four Seasons 20324 HVAC Blower Motor Resistor
Reliable HVAC Blower Motor Resistor for Ford, Lincoln, Mercury
The Four Seasons Resistor Block 20324 is designed to restore proper blower motor function in select Ford, Lincoln, and Mercury vehicles. This HVAC blower motor resistor ensures consistent fan speed control for models like the Grand Marquis, LTD, LTD Crown Victoria, and Town Car.
- Connector Gender: Female
- Connector Shape: Other design
- Number of Terminals: 5
- Terminal Type: Spade
- Speed: Fixed #4
- Meets or exceeds OEM specifications
- Part Type: HVAC Blower Motor Resistor
About the Four Seasons Resistor Block Product Line
The Four Seasons Resistor Block line focuses on providing durable and precise HVAC components that maintain or improve the original blower motor performance. The 20324 resistor block is engineered to meet or exceed OEM standards, ensuring compatibility and reliable operation within the HVAC system of your Ford, Lincoln, or Mercury vehicle.
Product Description and Features
This HVAC blower motor resistor features a female connector with a unique design to fit specific vehicle applications. It includes five spade terminals and is configured for a fixed speed #4 setting, which controls the blower motor speed accurately. The resistor block is essential for regulating the electrical current to the blower motor, enabling proper fan speed adjustments in your vehicle’s heating and cooling system.
Common Issues Resolved by This Resistor Block
- Inconsistent or non-functioning blower motor speeds
- Blower fan stuck on one speed setting
- Intermittent HVAC blower operation
- Overheating or electrical resistance problems in the blower circuit
- HVAC blower motor resistor failure symptoms in Ford Grand Marquis, Lincoln Town Car, and similar models
Installation Notes and Tips
- Ensure the vehicle is turned off and the battery is disconnected before installation
- Locate the blower motor resistor in the HVAC housing, typically near the blower motor
- Disconnect the old resistor block carefully, noting the connector orientation and terminal placement
- Install the Four Seasons 20324 resistor block by connecting the female spade terminals securely
- Test the blower motor speeds after installation to confirm proper operation
Quality Assurance and Warranty
The Four Seasons Resistor Block 20324 is manufactured to meet or exceed OEM quality standards, providing reliable performance for your HVAC system. This part undergoes rigorous testing to ensure durability and fitment accuracy. Please refer to Four Seasons for specific warranty details related to this resistor block.
| Brand | Four Seasons |
| Part Number | 20324 |
| Position | Resistor Block |
| Connector Gender | Female |
| Connector Shape | Other design |
| Description | Resistor Block |
| Meets / Exceeds OEM? | Yes |
| Number of Terminals | 5 |
| Speed | Fixed # 4 |
| Terminal Type | Spade |
| Type | Switches |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1991 | Ford | LTD Crown Victoria | N/A | w/ ATC (Automatic Temperature Control); Motor Resistor | |
| 1990 | Ford | LTD Crown Victoria | N/A | Compatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block | |
| 1990 | Lincoln | Town Car | N/A | Compatible with HVAC systems featuring Automatic Temperature Control (ATC).; Resistor Block | |
| 1990 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1989 | Ford | LTD Crown Victoria | N/A | Resistor Block | |
| 1989 | Lincoln | Town Car | N/A | Resistor Block | |
| 1989 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1988 | Ford | LTD Crown Victoria | N/A | Resistor Block | |
| 1988 | Lincoln | Town Car | N/A | Resistor Block | |
| 1988 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1987 | Ford | LTD Crown Victoria | N/A | Resistor Block | |
| 1987 | Lincoln | Town Car | N/A | Resistor Block | |
| 1987 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1986 | Ford | LTD | Base | N/A | Resistor Block |
| 1986 | Ford | LTD | Brougham | N/A | Resistor Block |
| 1986 | Lincoln | Town Car | N/A | Resistor Block | |
| 1986 | Mercury | Grand Marquis | Base | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block |
| 1986 | Mercury | Grand Marquis | LS | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block |
| 1985 | Ford | LTD | Base | N/A | Resistor Block |
| 1985 | Ford | LTD | Brougham | N/A | Resistor Block |
| 1985 | Ford | LTD | LX Brougham | N/A | Resistor Block |
| 1985 | Lincoln | Town Car | N/A | Resistor Block | |
| 1985 | Mercury | Grand Marquis | Base | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block |
| 1985 | Mercury | Grand Marquis | LS | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block |
| 1984 | Ford | LTD | Base | N/A | Resistor Block |
| 1984 | Ford | LTD | Brougham | N/A | Resistor Block |
| 1984 | Lincoln | Town Car | N/A | Resistor Block | |
| 1984 | Mercury | Grand Marquis | Base | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block |
| 1984 | Mercury | Grand Marquis | LS | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block |
| 1983 | Ford | LTD | Crown Victoria | N/A | w/ ATC (Automatic Temperature Control); Motor Resistor |
* 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.