Four Seasons 36143 Engine Cooling Fan Motor Relay

Reliable Engine Cooling Fan Motor Relay for Chrysler, Dodge, Jeep

The Four Seasons PWM Fan Controller 36143 is designed to regulate the radiator fan motor efficiently in select Chrysler, Dodge, and Jeep vehicles. This engine cooling fan motor relay ensures proper fan operation to maintain optimal engine temperature and prevent overheating.

• Compatible with Chrysler Caravan, Grand Caravan, Grand Voyager, Pacifica, Town & Country, Voyager
• Fits Jeep TJ and Wrangler models
• 40-amp amperage rating for reliable current handling
• 12-volt operation with blade-type male terminals (4 terminals)
• Includes mounting bracket for secure installation
• Black cover color for durability and corrosion resistance
• Meets or exceeds OEM specifications for performance and fit
• Part number 36143 from Four Seasons PWM Fan Controller line

About the Four Seasons PWM Fan Controller Product Line

The PWM Fan Controller line by Four Seasons focuses on precise control of radiator fan speed using pulse-width modulation technology. This approach allows for efficient engine cooling by adjusting fan operation based on temperature demands, reducing electrical load and improving fuel efficiency. The 36143 relay is a key component in this system, providing reliable switching and control for the radiator fan motor in compatible vehicles.

Product Details and Specifications

The Four Seasons 36143 engine cooling fan motor relay features a 40-amp amperage rating suitable for handling the electrical load of radiator fans in mid-size to full-size vehicles. It operates at 12 volts and includes four male blade terminals for secure electrical connections. The relay comes with a mounting bracket to ensure stable installation within the engine compartment. Its black cover offers protection against environmental factors, contributing to long-term durability. This relay meets or exceeds OEM standards, ensuring compatibility and reliable performance in Chrysler, Dodge, and Jeep models such as the Grand Caravan, Pacifica, Wrangler, and Town & Country.

Common Applications and Issues Addressed

• Regulates radiator fan speed to prevent engine overheating
• Replaces faulty or worn engine cooling fan motor relays
• Resolves intermittent fan operation or failure to engage
• Improves electrical system reliability in cooling circuits
• Supports proper engine temperature management in Chrysler, Dodge, and Jeep vehicles

Installation Notes and Tips

When installing the Four Seasons PWM Fan Controller 36143, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Verify the relay terminals match the vehicle’s wiring harness connectors, noting the four male blade terminals. Use the included mounting bracket to secure the relay firmly in place, avoiding vibration or movement. After installation, test the radiator fan operation by running the engine and monitoring fan engagement at various temperatures. Consult the vehicle’s service manual for specific wiring diagrams and torque specifications.

Quality Assurance and Warranty

Four Seasons products, including the PWM Fan Controller 36143, are manufactured to meet or exceed OEM quality standards. This relay undergoes rigorous testing to ensure durability and reliable performance under normal operating conditions. The product is backed by Four Seasons’ warranty coverage, providing assurance against defects in materials and workmanship for a specified period. Refer to Four Seasons’ warranty documentation for detailed terms and conditions.