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Four SeasonsPart #: 20466
Four Seasons 20466 HVAC Blower Motor Resistor - Front
⚙️ 104 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Resistor Block, Front
🚗Fitment: GMC and Chevrolet, G3500, G10, G20, G30, G1500, and G2500
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Not what you need? Click here for all HVAC Blower Motor Resistor options
Overview of Four Seasons Resistor Block 20466
The Four Seasons Resistor Block 20466 is designed specifically for Chevrolet G10, G20, and G30 models. This HVAC blower motor resistor ensures proper control of blower motor speeds, maintaining consistent airflow within your vehicle's heating and cooling system.
- Connector Gender: Male
- Connector Shape: Other design
- 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 regulate blower motor speeds. This product line is engineered to meet OEM specifications, providing precise resistance values to control fan speeds effectively. The 20466 resistor block is part of this line, offering a fixed speed setting to maintain consistent HVAC performance in Chevrolet vans.
Detailed Product Description
The Four Seasons 20466 resistor block features a male connector with a unique design to ensure secure and proper fitment. It includes three terminals that facilitate electrical connections necessary for controlling the blower motor speed at a fixed #2 setting. This resistor block is a critical component in the HVAC system, enabling the blower motor to operate at the correct speed for optimal cabin comfort. Compatible with Chevrolet G10, G20, and G30 models, this part is designed to replace faulty or worn resistor blocks that can cause blower motor issues.
Common Issues Resolved by This Resistor Block
- Blower motor stuck on a single speed
- Inconsistent or no airflow from HVAC vents
- Blower motor not responding to speed control settings
- Intermittent blower motor operation
- Electrical resistance failure causing HVAC malfunction
Installation Notes and Tips
- Ensure the vehicle is turned off and battery disconnected before installation
- Locate the blower motor resistor block within the HVAC housing
- Disconnect the old resistor block carefully to avoid damaging connectors
- Match the male connector and terminal count to ensure proper fitment
- Secure the new resistor block firmly to prevent vibration-related issues
Quality Assurance and Warranty
Four Seasons manufactures the 20466 resistor block to meet or exceed OEM standards for durability and performance. While specific warranty details may vary, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. This ensures reliable operation and peace of mind when replacing the HVAC blower motor resistor in Chevrolet G10, G20, and G30 vans.
| Brand | Four Seasons |
| Part Number | 20466 |
| Position | Resistor Block, Front |
| Connector Gender | Male |
| Connector Shape | Other design |
| Description | Resistor Block |
| Number of Terminals | 3 |
| Speed | Fixed # 2 |
| Type | Switches |
This part fits 104 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1996 | Chevrolet | G30 | Front | w/o AC; Motor Resistor |
| 1996 | GMC | G3500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1995 | Chevrolet | G10 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1995 | Chevrolet | G20 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1995 | Chevrolet | G30 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1995 | GMC | G1500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1995 | GMC | G2500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1995 | GMC | G3500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1994 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1994 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1994 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1994 | GMC | G1500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1994 | GMC | G2500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1994 | GMC | G3500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1993 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1993 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1993 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1993 | GMC | G1500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1993 | GMC | G2500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1993 | GMC | G3500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1992 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1992 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1992 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1992 | GMC | G1500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1992 | GMC | G2500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1992 | GMC | G3500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1991 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1991 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1991 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1991 | GMC | G1500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1991 | GMC | G2500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1991 | GMC | G3500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1990 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1990 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1990 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1990 | GMC | G1500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1990 | GMC | G2500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1990 | GMC | G3500 | Front | Compatible with models that do not have air conditioning.; Resistor Block |
| 1989 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1989 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1989 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1989 | GMC | G1500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1989 | GMC | G2500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1989 | GMC | G3500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1988 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1988 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1988 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1988 | GMC | G1500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1988 | GMC | G2500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1988 | GMC | G3500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1987 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1987 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1987 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1987 | GMC | G1500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1987 | GMC | G2500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1987 | GMC | G3500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1986 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1986 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1986 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1986 | GMC | G1500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1986 | GMC | G2500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1986 | GMC | G3500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1985 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1985 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1985 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1985 | GMC | G1500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1985 | GMC | G2500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1985 | GMC | G3500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1984 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1984 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1984 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1984 | GMC | G1500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1984 | GMC | G2500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1984 | GMC | G3500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1983 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1983 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1983 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1983 | GMC | G1500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1983 | GMC | G2500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1983 | GMC | G3500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1982 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1982 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1982 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1982 | GMC | G1500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1982 | GMC | G2500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1982 | GMC | G3500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1981 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1981 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1981 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1981 | GMC | G1500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1981 | GMC | G2500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1981 | GMC | G3500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1980 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1980 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1980 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1980 | GMC | G1500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1980 | GMC | G2500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1980 | GMC | G3500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1979 | Chevrolet | G10 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1979 | Chevrolet | G20 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1979 | Chevrolet | G30 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1979 | GMC | G1500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1979 | GMC | G2500 | N/A | Compatible with models that do not have air conditioning.; Resistor Block |
| 1979 | GMC | G3500 | N/A | Compatible with models that do not have air conditioning.; 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:
204663929053A07056JA1616
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.