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Four Seasons 20320 HVAC Blower Motor Resistor
Reliable HVAC Blower Motor Resistor for Ford, Lincoln, Mercury
The Four Seasons Resistor Block 20320 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 and meets or exceeds OEM specifications for dependable performance.
- Connector Gender: Female
- Connector Shape: Rectangular
- Number of Terminals: 4
- Terminal Type: Spade
- Speed: Fixed #3
- Type: Switches
- Meets or exceeds OEM standards
About the Four Seasons Resistor Block Product Line
The Four Seasons Resistor Block line focuses on providing precise and durable HVAC blower motor resistors that maintain proper fan speed regulation. The 20320 resistor block is engineered to fit specific vehicle models, ensuring compatibility and reliable operation within the heating and cooling system.
Detailed Product Description
This HVAC blower motor resistor from Four Seasons features a female rectangular connector with four spade terminals, designed for a fixed speed setting (#3). It is compatible with various Ford, Lincoln, and Mercury models including the Colony Park, Crown Victoria, Grand Marquis, LTD, LTD Crown Victoria, Marauder, Mark VI, Marquis, and Town Car. The resistor block controls the blower motor speed by regulating electrical current, which is essential for maintaining the desired airflow inside the vehicle cabin.
Common Issues Resolved by This Resistor Block
- Blower motor stuck on one speed or not working at certain speeds
- Intermittent or no airflow from HVAC vents
- Overheating or burning smell from the blower motor area
- HVAC blower motor resistor failure causing inconsistent fan operation
- Electrical resistance issues affecting blower motor performance
Installation Notes and Tips
- Ensure the vehicle is turned off and battery disconnected before installation
- Locate the blower motor resistor in the HVAC housing, typically near the blower motor
- Disconnect the old resistor block by removing the spade terminals carefully
- Install the Four Seasons 20320 resistor block by connecting the female rectangular connector securely
- Verify proper fitment with compatible Ford, Lincoln, and Mercury models before installation
Quality Assurance and Warranty
The Four Seasons Resistor Block 20320 meets or exceeds OEM quality standards, providing reliable and consistent HVAC blower motor control. This part is manufactured to strict specifications to ensure durability and performance. Please refer to Four Seasons warranty terms for coverage details.
| Brand | Four Seasons |
| Part Number | 20320 |
| Position | Resistor Block |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Description | Resistor Block |
| Meets / Exceeds OEM? | Yes |
| Number of Terminals | 4 |
| Speed | Fixed # 3 |
| Terminal Type | Spade |
| Type | Switches |
This part fits 101 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2005 | Ford | Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2005 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2004 | Ford | Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2004 | Ford | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2004 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2004 | Mercury | Marauder | N/A | Not compatible with automatic air conditioning.; Resistor Block | |
| 2003 | Ford | Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2003 | Ford | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2003 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2003 | Mercury | Marauder | N/A | Not compatible with automatic air conditioning.; Resistor Block | |
| 2002 | Ford | Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2002 | Ford | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2002 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2001 | Ford | Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2001 | Ford | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2001 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2000 | Ford | Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2000 | Ford | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 2000 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1999 | Ford | Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1999 | Ford | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1999 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1998 | Ford | Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1998 | Ford | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1998 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1997 | Ford | Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1997 | Ford | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1997 | Lincoln | Town Car | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1997 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1996 | Ford | Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1996 | Ford | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1996 | Lincoln | Town Car | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1996 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1995 | Ford | Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1995 | Ford | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1995 | Lincoln | Town Car | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1995 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1994 | Ford | Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1994 | Ford | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1994 | Lincoln | Town Car | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1994 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1993 | Ford | Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1993 | Ford | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1993 | Lincoln | Town Car | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1993 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1992 | Ford | Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1992 | Ford | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1992 | Lincoln | Town Car | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1992 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1991 | Ford | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1991 | Ford | LTD Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1991 | Lincoln | Town Car | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1991 | Mercury | Colony Park | N/A | w/o ATC (Automatic Temperature Control); 4 Term.; Resistor Block | |
| 1991 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1990 | Ford | LTD Crown Victoria | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1990 | Lincoln | Town Car | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1990 | Mercury | Colony Park | N/A | 4-terminal HVAC wiring relay; Resistor Block | |
| 1990 | Mercury | Grand Marquis | N/A | 4-terminal HVAC wiring relay; Resistor Block | |
| 1989 | Ford | LTD Crown Victoria | N/A | w/o ATC (Automatic Temperature Control); Motor Resistor | |
| 1989 | Mercury | Colony Park | N/A | 4-terminal HVAC wiring relay; Resistor Block | |
| 1989 | Mercury | Grand Marquis | N/A | 4-terminal HVAC wiring relay; Resistor Block | |
| 1988 | Ford | LTD Crown Victoria | N/A | w/o ATC (Automatic Temperature Control); Motor Resistor | |
| 1988 | Mercury | Colony Park | N/A | 4-terminal HVAC wiring relay; Resistor Block | |
| 1988 | Mercury | Grand Marquis | N/A | 4-terminal HVAC wiring relay; Resistor Block | |
| 1987 | Ford | LTD Crown Victoria | N/A | w/o ATC (Automatic Temperature Control); Motor Resistor | |
| 1987 | Mercury | Colony Park | N/A | 4-terminal HVAC wiring relay; Resistor Block | |
| 1987 | Mercury | Grand Marquis | N/A | 4-terminal HVAC wiring relay; Resistor Block | |
| 1986 | Ford | LTD | Country Squire | N/A | w/o ATC (Automatic Temperature Control); Motor Resistor |
| 1986 | Mercury | Grand Marquis | Base | N/A | 4-terminal HVAC wiring relay; Resistor Block |
| 1986 | Mercury | Grand Marquis | LS | N/A | 4-terminal HVAC wiring relay; Resistor Block |
| 1986 | Mercury | Grand Marquis | Colony Park | N/A | 4-terminal HVAC wiring relay; Resistor Block |
| 1985 | Ford | LTD | Country Squire | N/A | w/o ATC (Automatic Temperature Control); Motor Resistor |
| 1985 | Mercury | Grand Marquis | Base | N/A | 4-terminal HVAC wiring relay; Resistor Block |
| 1985 | Mercury | Grand Marquis | LS | N/A | 4-terminal HVAC wiring relay; Resistor Block |
| 1985 | Mercury | Grand Marquis | Colony Park | N/A | 4-terminal HVAC wiring relay; Resistor Block |
| 1984 | Ford | LTD | Country Squire | N/A | w/o ATC (Automatic Temperature Control); Motor Resistor |
| 1984 | Mercury | Grand Marquis | Base | N/A | 4-terminal HVAC wiring relay; Resistor Block |
| 1984 | Mercury | Grand Marquis | LS | N/A | 4-terminal HVAC wiring relay; Resistor Block |
| 1984 | Mercury | Grand Marquis | Colony Park | N/A | 4-terminal HVAC wiring relay; Resistor Block |
| 1983 | Ford | LTD | Base | N/A | Resistor Block |
| 1983 | Ford | LTD | Brougham | N/A | Resistor Block |
| 1983 | Ford | LTD | Country Squire | N/A | Resistor Block |
| 1983 | Lincoln | Mark VI | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1983 | Lincoln | Town Car | N/A | Resistor Block | |
| 1983 | Mercury | Grand Marquis | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1983 | Mercury | Grand Marquis | Base | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block |
| 1983 | Mercury | Grand Marquis | LS | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block |
| 1982 | Ford | LTD | S | N/A | Resistor Block |
| 1982 | Ford | LTD | Base | N/A | Resistor Block |
| 1982 | Ford | LTD | Country Squire | N/A | Resistor Block |
| 1982 | Lincoln | Mark VI | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1982 | Lincoln | Town Car | N/A | Resistor Block | |
| 1982 | Mercury | Grand Marquis | N/A | Resistor Block | |
| 1982 | Mercury | Marquis | N/A | Motor Resistor | |
| 1981 | Ford | LTD | S | N/A | Resistor Block |
| 1981 | Ford | LTD | Base | N/A | Resistor Block |
| 1981 | Ford | LTD | Country Squire | N/A | Resistor Block |
| 1981 | Lincoln | Mark VI | N/A | ATC relay connector incompatible with HVAC blower motor resistor harness.; Resistor Block | |
| 1981 | Lincoln | Town Car | N/A | Resistor Block | |
| 1981 | Mercury | Grand Marquis | N/A | Resistor Block | |
| 1981 | Mercury | Marquis | N/A | 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.