Standard Ignition RU-611 HVAC Blower Motor Resistor

Overview of Standard Ignition HVAC Blower Motor Resistor RU-611

The Standard Ignition HVAC Blower Motor Resistor RU-611 is designed to regulate the blower motor speeds in select Audi vehicles. This resistor supports multiple fan speeds, ensuring precise control of your HVAC system's airflow for models like the Audi 100, 100 Quattro, A6, and S6.

• Attachment Method: Screw mount for secure installation
• Connector Gender: Female with a rectangular shape
• Number of Speeds Supported: 3 to 5 speed settings
• Terminal Type: 5 male blade terminals
• Voltage: 12 volts, compatible with standard automotive electrical systems
• No wiring harness or mounting brackets included

Detailed Product Description

The RU-611 blower motor resistor from Standard Ignition is engineered to provide reliable speed control for HVAC blower motors in Audi vehicles, including the 100, 100 Quattro, A6, and S6 models. Featuring a screw attachment method, this resistor ensures a stable and secure fit within the HVAC system. The female rectangular connector with one cavity allows for straightforward electrical connection, while the five male blade terminals support multiple speed settings ranging from three to five speeds. Operating at 12 volts, this resistor is compatible with the electrical systems of the specified Audi models. Note that this part does not include a wiring harness or mounting brackets, so it is intended for direct replacement where existing hardware is reused.

Common Applications and Issues Resolved

• Restores proper blower motor speed control in Audi 100, 100 Quattro, A6, and S6 HVAC systems
• Eliminates blower motor stuck on one speed or no speed
• Fixes inconsistent or intermittent blower motor operation
• Addresses overheating or failure of the blower motor resistor
• Improves overall HVAC airflow regulation and comfort

Installation Notes and Tips

• Ensure the vehicle ignition is off before installation
• Remove the old resistor by unscrewing the mounting screws
• Verify connector compatibility: female rectangular connector with one cavity
• Reconnect the wiring harness securely to the resistor terminals
• Test blower motor speeds after installation to confirm proper function

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The RU-611 blower motor resistor undergoes quality control testing to ensure durability and reliable performance in Audi HVAC systems. Please refer to Standard Ignition's warranty policy for specific coverage details.