Four Seasons 20535 HVAC Blower Motor Resistor - Front

Overview of Four Seasons Resistor Block 20535

The Four Seasons Resistor Block 20535 is designed to regulate the blower motor speed in select Infiniti and Mazda vehicles. This HVAC blower motor resistor ensures variable speed control for optimal climate system performance in models such as the Infiniti Q70 and Mazda CX-9.

• Connector Gender: Female
• Connector Shape: Square
• Number of Terminals: 4
• Speed Type: Variable
• Part Type: HVAC Blower Motor Resistor

Detailed Product Description

This resistor block from Four Seasons is engineered to provide reliable speed control for the HVAC blower motor. Featuring a female square connector with four terminals, it supports variable speed adjustments to maintain consistent airflow inside the vehicle cabin. The part number 20535 corresponds specifically to this resistor block, compatible with various Infiniti and Mazda models including the Infiniti M35h, M37, M56, Q70, Q70L, and the Mazda CX-9.

The Four Seasons Resistor Block product line focuses on delivering precise electrical resistance components that regulate blower motor speeds effectively. This ensures the HVAC system operates smoothly across different fan settings, contributing to passenger comfort and system longevity.

Common Applications and Issues Addressed

• Restores proper blower motor speed control in Infiniti Q70 and Mazda CX-9 HVAC systems
• Resolves blower motor stuck on one speed or not working at certain speeds
• Eliminates inconsistent airflow or intermittent blower operation
• Fixes overheating or electrical resistance failures in blower motor circuits

Installation Notes and Tips

• Ensure vehicle ignition is off before installation
• Locate the blower motor resistor block near the HVAC blower motor assembly
• Disconnect the old resistor carefully, noting connector orientation and terminal placement
• Install the Four Seasons 20535 resistor block with the female square connector securely attached
• Test blower motor speeds after installation to confirm proper operation

Quality Assurance and Warranty

Four Seasons manufactures the Resistor Block 20535 to meet OEM specifications 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 dependable operation for HVAC blower motor speed control in compatible Infiniti and Mazda vehicles.