Standard Ignition RU-85 HVAC Blower Motor Resistor

Overview of Standard Ignition HVAC Blower Motor Resistor RU-85

The Standard Ignition RU-85 HVAC blower motor resistor is designed to regulate the blower motor speeds in select Geo and Toyota vehicles. This component ensures proper airflow control for your vehicle's heating and cooling system, specifically compatible with Toyota Corolla and Geo Prizm models.

• Attachment method: Clip for secure installation
• Connector gender: Female with rectangular shape
• Number of speeds supported: 3-5 speed blower motors
• Terminal type: Four male blade terminals
• Voltage rating: 12 volts
• No wiring harness or mounting brackets included

Detailed Product Description

The RU-85 blower motor resistor from Standard Ignition is engineered to provide reliable speed control for HVAC blower motors in Geo and Toyota vehicles, including the Corolla and Prizm. Featuring a clip attachment method, this resistor installs easily without additional hardware. It connects via a female rectangular connector with one cavity, interfacing with four male blade terminals to manage blower speeds ranging from three to five settings. Operating at 12 volts, this resistor is designed to match the electrical requirements of the vehicle's HVAC system. Note that this part does not include a wiring harness or mounting brackets, so it is intended for direct replacement in compatible vehicles.

Common Applications and Issues Resolved

• Restores proper blower motor speed control in Toyota Corolla and Geo Prizm HVAC systems
• Eliminates blower motor stuck on one speed or no speed
• Fixes intermittent blower motor operation or inconsistent airflow
• Addresses overheating or failure of the blower motor resistor
• Improves overall HVAC system performance and passenger comfort

Installation Notes and Tips

• Ensure vehicle ignition is off before installation
• Locate the blower motor resistor near the blower motor housing under the dashboard
• Disconnect the electrical connector carefully to avoid damage to the female rectangular connector
• Use the clip attachment method to secure the resistor in place
• Verify blower motor operation at all speeds after installation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The RU-85 blower motor resistor undergoes quality testing to ensure durability and reliable performance in Geo and Toyota HVAC systems. Warranty coverage details should be confirmed with the point of purchase or Standard Ignition documentation.