HomeHVAC > Motors, Core, Case and Related ComponentsStandard Ignition RU-843 HVAC Blower Motor Resistor
Part #: RU-843

Standard Ignition RU-843 HVAC Blower Motor Resistor

10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Fiat, 500
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Overview of Standard Ignition HVAC Blower Motor Resistor RU-843

The Standard Ignition HVAC Blower Motor Resistor RU-843 is designed specifically for the Fiat 500 to regulate blower motor speeds efficiently. This resistor supports multiple fan speeds, ensuring precise climate control within your vehicle's HVAC system.

  • Attachment method: Screw for secure installation
  • Connector gender: Female with a rectangular shape
  • Number of speeds supported: 3-5 speed settings
  • Terminal type: Four male blade terminals
  • Hardware and wiring harness not included
  • Single connector cavity for streamlined connection

Detailed Product Description

The RU-843 blower motor resistor from Standard Ignition is engineered to provide reliable control over the HVAC blower motor speeds in the Fiat 500. Featuring a screw attachment method, this resistor ensures a firm and stable fit within the HVAC system. The female rectangular connector with one cavity allows for a straightforward electrical connection, while the four male blade terminals facilitate efficient current flow. This resistor supports between three to five blower motor speeds, accommodating various climate control settings. Note that this part does not include additional hardware or a wiring harness, so existing components must be reused during installation.

Compatible Vehicles and Applications

This HVAC blower motor resistor is compatible with the Fiat 500 model, making it a suitable replacement part for maintaining or restoring proper blower motor function. The part number RU-843 should be referenced to ensure correct fitment and compatibility with your vehicle's HVAC system.

Common Issues Addressed by RU-843 Blower Motor Resistor

  • Inconsistent blower motor speeds or loss of certain fan speed settings
  • Blower motor only operating at high speed
  • Intermittent or no airflow from HVAC vents
  • Electrical resistance failure causing HVAC system malfunctions
  • Overheating or burning smell from the blower motor area

Installation Notes and Tips

  • Ensure the vehicle is powered off before beginning installation
  • Use the screw attachment method to secure the resistor firmly in place
  • Verify the connector is the female rectangular type with one cavity for proper fit
  • Reuse existing hardware and wiring harness as this part does not include them
  • Check all electrical connections for corrosion or damage before installation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for durability and performance. The RU-843 blower motor resistor undergoes rigorous quality control to ensure reliable operation within the Fiat 500 HVAC system. Warranty coverage details should be confirmed with the original product documentation or supplier.

BrandStandard Ignition
Part NumberRU-843
Attachment MethodScrew
Connector GenderFemale
Connector ShapeRectangular
Hardware IncludedNo
Harness Length - cmNo wire
Harness Length - inchesNo wire
Mounting Bracket(s) IncludedNo
Number Of Connector Cavities1
Number Of Speeds3-5 Speed
Terminal GenderMale
Terminal TypeBlade
Wiring Harness IncludedNo

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
2019Fiat500N/ANot compatible with automatic AC systems.
2018Fiat500N/ANot compatible with automatic AC systems.
2017Fiat500N/ANot compatible with automatic AC systems.
2016Fiat500N/ANot compatible with automatic AC systems.
2015Fiat500N/ANot compatible with automatic AC systems.
2014Fiat500N/ANot compatible with automatic AC systems.
2013Fiat500N/ANot compatible with automatic AC systems.
2012Fiat500N/ANot compatible with automatic AC systems.
2011Fiat500N/A
2010Fiat500N/A

* 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:

204784P176653-6997968093444AABMRA105BR743RU1532RUC1402V24-79-0016

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