HomeHVAC > Motors, Core, Case and Related ComponentsStandard Ignition RU-506 HVAC Blower Motor Resistor - Front or Rear
Part #: RU-506

Standard Ignition RU-506 HVAC Blower Motor Resistor - Front or Rear

Rear
⚙️ 31 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi, Porsche, and Volkswagen, Q7, Cayenne, and Touareg
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Reliable HVAC Blower Motor Resistor for Audi, Porsche, Volkswagen

The Standard Ignition RU-506 HVAC blower motor resistor is designed to restore proper blower motor function in select Audi, Porsche, and Volkswagen vehicles. Engineered for durability and precise fitment, this resistor supports multiple blower speeds to ensure consistent climate control performance.

  • Compatible with Audi Q7, Porsche Cayenne, and Volkswagen Touareg models
  • Supports 3-5 speed blower motor operation
  • Durable plastic and metal housing for long-lasting use
  • Electronic coil type for efficient current regulation
  • Screw attachment method for secure installation
  • Rectangular female connector with 2 cavities and 6 male blade terminals
  • Operates on standard 12-volt electrical systems

Product Features and Specifications

The RU-506 blower motor resistor from Standard Ignition is built with a combination of plastic and metal housing materials to withstand the heat and electrical load within the HVAC system. It features an electronic coil type resistor that manages blower motor speeds ranging from 3 to 5 settings, providing smooth airflow control. The resistor connects via a rectangular female connector with two cavities and six male blade terminals, ensuring compatibility with the factory wiring harness. Installation is secured using screws, though mounting brackets and wiring harnesses are not included. The resistor is finished in green and white, matching OEM color standards.

Common Applications and Problem Resolution

This HVAC blower motor resistor is specifically designed for use in the following vehicles:

  • Audi Q7
  • Porsche Cayenne
  • Volkswagen Touareg

It addresses common HVAC issues such as:

  • Blower motor only working on high speed
  • Inconsistent or no airflow from vents
  • Intermittent blower motor operation
  • Loss of multiple blower speed settings
  • Electrical resistance failure causing HVAC malfunction

Installation Notes and Tips

When installing the Standard Ignition RU-506 blower motor resistor, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shock. The resistor mounts securely using screws; verify the screw holes align with the factory mounting points. Since no wiring harness or mounting brackets are included, reuse the original components for proper fitment. Confirm the connector’s rectangular female shape and terminal configuration match the vehicle’s wiring harness before installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The RU-506 blower motor resistor undergoes rigorous quality control testing to maintain consistent electrical resistance and fitment standards. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship.

BrandStandard Ignition
Part NumberRU-506
Attachment MethodScrew
Connector GenderFemale
Connector ShapeRectangular
Hardware IncludedNo
Harness Length - cmNo wire
Harness Length - inchesNo wire
Mounting Bracket(s) IncludedNo
Number Of Connector Cavities2
Number Of Speeds3-5 Speed
Terminal GenderMale
Terminal TypeBlade
Wiring Harness IncludedNo

This part fits 31 vehicles. Search below:

YearMakeModelPositionNotes
2015AudiQ7Rear
2014AudiQ7Rear
2013AudiQ7Rear
2012AudiQ7Rear
2011AudiQ7Rear
2010AudiQ7Rear
2010PorscheCayenneFront
2010PorscheCayenneRear
2010VolkswagenTouaregFrontAutomatic temperature control is needed for proper installation.
2010VolkswagenTouaregRearAutomatic temperature control is needed for proper installation.
2009AudiQ7Rear
2009PorscheCayenneFront
2009VolkswagenTouaregFrontwith automatic air conditioning.
2009VolkswagenTouaregRear
2008AudiQ7Rear
2008PorscheCayenneFront
2008VolkswagenTouaregFrontwith automatic air conditioning.
2008VolkswagenTouaregRear
2007AudiQ7N/A
2007VolkswagenTouaregFrontwith automatic air conditioning.
2007VolkswagenTouaregRear
2006PorscheCayenneFront
2006VolkswagenTouaregFront
2006VolkswagenTouaregRear
2005PorscheCayenneFront
2005VolkswagenTouaregFront
2005VolkswagenTouaregRear
2004PorscheCayenneFront
2004VolkswagenTouaregFront
2004VolkswagenTouaregRear
2003PorscheCayenneFront

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

203992BMR047230-01994P156253-697847L09075217L0907521A95557234101BMRB10091BR409RU1199RUA1224V10-79-0026

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.