Standard RU318T HVAC Blower Motor Resistor - Rear

Reliable HVAC Blower Motor Resistor for Ford and Mazda Vehicles

The Standard RU318T HVAC blower motor resistor is designed to restore proper blower motor function in select Ford and Mazda models. This complete assembly features a female connector and male terminals, ensuring a secure and efficient electrical connection for your vehicle's HVAC system.

• Complete assembly with female connector and male terminals
• Single connector with four male terminals for stable voltage delivery
• Operates at 12 volts, compatible with standard automotive electrical systems
• Compatible with multiple Ford and Mazda models including Aerostar, Ranger, Explorer, and B-series trucks
• Part number RU318T for precise identification and fitment

Product Details and Specifications

The RU318T blower motor resistor by Standard is engineered to regulate the voltage supplied to the blower motor, controlling fan speed in your vehicle's HVAC system. This resistor features a female connector with one connection point and four male terminals, designed to fit securely and maintain consistent electrical contact. Operating at 12 volts, it matches the electrical requirements of the HVAC systems in various Ford and Mazda vehicles. The complete assembly design simplifies replacement and ensures compatibility with factory wiring harnesses.

Compatible Vehicles and Applications

This HVAC blower motor resistor is compatible with a range of Ford and Mazda models, including but not limited to:

• Ford Aerostar
• Ford Ranger, B2300, B3000, B4000
• Ford Bronco and Bronco II
• Ford E-Series Vans: E-150, E-250, E-350 (including Club Wagon and Econoline variants)
• Ford Explorer, F-150, F-200, F-250, F-350, and Super Duty models
• Mazda Navajo and Windstar

Common Issues Addressed by the RU318T Resistor

• Inconsistent or non-functioning blower motor speeds
• HVAC blower only working on high speed
• Intermittent blower motor operation
• Electrical resistance failure causing fan speed control issues
• HVAC system overheating due to faulty resistor

Installation Notes and Tips

When installing the RU318T blower motor resistor, ensure the vehicle's ignition is off and the battery is disconnected to prevent electrical shorts. Verify the connector gender and terminal count match your vehicle’s wiring harness. The female connector and four male terminals should align with the factory harness for a secure fit. Inspect the blower motor and related wiring for damage before installation to avoid repeated failures.

Quality Assurance and Warranty

Standard manufactures the RU318T blower motor resistor to meet OEM specifications for durability and performance. This part undergoes quality control testing to ensure reliable operation within the HVAC system. Please refer to Standard’s warranty policy for coverage details on this part number.