Four Seasons 20188 HVAC Blower Motor Resistor
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Four Seasons
 Resistor Block

Four Seasons 20188 HVAC Blower Motor Resistor

Brand Four Seasons 20188
Connector Gender Female
Connector Shape Square
Description Resistor Block
Meets / Exceeds OEM? Yes
Number of Terminals 4
Speed Fixed # 3
Terminal Type Spade
Type Switches
Product line Resistor Block
Fits Toyota · 3 vehicles

OE direct replacement. Meets OEM requirements for a dependable blower motor resistor.

Resistor block design. Provides fixed three-speed control for HVAC blower operation.

Square connector. Female spade terminals with four connections for straightforward installation.

Cross-references Four Seasons 20188, UAC SW11446C and 11120188 for the same application. See all 7.

$38.85Free shipping
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Not what you need? See all HVAC Blower Motor Resistor options

Four Seasons 20188 Resistor Block for HVAC Blower Control

Four Seasons 20188 is a resistor block used in HVAC blower motor circuits to provide a fixed speed setting for the blower system. It is built with a female square connector, four terminals, and spade-style terminals for direct electrical connection in the vehicle HVAC harness.

Key Features

  • Resistor block for HVAC blower motor resistor applications
  • Fixed speed setting: #3
  • Female square connector with 4 terminals
  • Spade terminal type for secure electrical contact
  • Meets or exceeds OEM requirements
  • Four Seasons Resistor Block line for OE-style HVAC electrical service parts

Product Details

This Four Seasons resistor block, part number 20188, is used in the blower motor control circuit to regulate fan speed in the HVAC system. It is a direct-fit electrical service component for 2001-2003 Toyota Highlander models and is listed for the same application as cross-reference part numbers such as 11120188 and SW11446C. For Toyota Highlander blower speed repair, Four Seasons 20188 provides the correct connector style, terminal count, and fixed-speed configuration needed for the specified vehicle fitment.

Common Issues It May Solve

  • Blower motor only operating on one speed setting
  • Loss of a specific fan speed, especially speed #3
  • Intermittent HVAC blower operation caused by resistor failure
  • No airflow from the cabin vents at certain fan settings
  • Electrical resistance issues in the blower control circuit

Installation Notes and Tips

Verify connector shape, terminal count, and vehicle fitment before installation. This part fits 2001-2003 Toyota Highlander, N/A. Inspect the blower motor connector and surrounding wiring for heat damage or corrosion before replacing the resistor block. Confirm the HVAC system is switched off and the battery is disconnected before servicing the circuit.

Quality Assurance

Four Seasons 20188 is identified as meeting or exceeding OEM requirements for the listed application. The Four Seasons Resistor Block line is used for OE-style HVAC electrical replacement parts, and this part number is cataloged for direct replacement service on the specified Toyota Highlander fitment.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2003ToyotaHighlanderN/AResistor Block
2002ToyotaHighlanderN/AResistor Block
2001ToyotaHighlanderN/AResistor Block
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 20188UAC — SW11446C111201888713848020A08067JA1344SW11446