OE Quality
60-Day Returns

Standard Ignition RU955 HVAC Blower Motor Resistor
Overview of Standard Ignition HVAC Blower Motor Resistor RU955
The Standard Ignition RU955 HVAC blower motor resistor is designed for reliable climate control in Chevrolet vehicles. Specifically compatible with Chevrolet Sonic, Spark, and Trax models, this resistor ensures proper blower motor speed regulation for your HVAC system.
- Bolt-on attachment method for secure installation
- Female connector with one rectangular, oval-shaped cavity
- Five male blade terminals for electrical connection
- No mounting brackets included
- Designed to regulate blower motor speeds effectively
Detailed Product Description and Attributes
This HVAC blower motor resistor from Standard Ignition features a bolt-on attachment method, allowing for straightforward replacement in Chevrolet Sonic, Spark, and Trax vehicles. The resistor includes a single female connector with a rectangular, oval shape, housing one connector cavity. It is equipped with five male blade terminals, which provide a stable and secure electrical connection to the blower motor circuit. The absence of mounting brackets means it mounts directly to the HVAC housing or blower motor assembly as per vehicle design.
Compatible Chevrolet Models and Applications
The RU955 blower motor resistor is compatible with the following Chevrolet models:
- Chevrolet Sonic
- Chevrolet Spark
- Chevrolet Trax
This part is essential for controlling the speed of the HVAC blower motor, ensuring consistent airflow and temperature regulation inside the vehicle cabin.
Common HVAC Issues Addressed by RU955
- Blower motor only works on one speed or fails to change speeds
- Intermittent or no airflow from HVAC vents
- Overheating or burning smell from the HVAC system
- Inconsistent cabin temperature control
- Complete blower motor failure due to resistor malfunction
Installation Notes and Tips
- Ensure the vehicle ignition is off before beginning installation
- Locate the blower motor resistor near the HVAC blower motor assembly
- Disconnect the electrical connector carefully to avoid damage to the female connector
- Remove the old resistor by unbolting it from the mounting location
- Install the RU955 resistor using the bolt-on method, ensuring a secure fit
- Reconnect the electrical connector, verifying the rectangular, oval shape aligns properly
- Test the blower motor speeds after installation to confirm proper operation
Quality Assurance and Warranty Information
Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The RU955 blower motor resistor undergoes rigorous quality control to ensure durability and reliable performance in Chevrolet Sonic, Spark, and Trax models. Warranty coverage details should be confirmed with the original product documentation or authorized Standard Ignition sources.
| Brand | Standard Ignition |
| Part Number | RU955 |
| Attachment Method | Bolt On |
| Connector Gender | Female |
| Connector Shape | Rectangular, Oval |
| Mounting Bracket(s) Included | No |
| Number Of Connector Cavities | 1 |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 23 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2022 | Chevrolet | Trax | 1.4L | L4 | N/A | |
| 2021 | Chevrolet | Trax | 1.4L | L4 | N/A | |
| 2020 | Chevrolet | Sonic | N/A | |||
| 2020 | Chevrolet | Trax | N/A | |||
| 2019 | Chevrolet | Sonic | N/A | |||
| 2019 | Chevrolet | Trax | N/A | |||
| 2018 | Chevrolet | Sonic | N/A | |||
| 2018 | Chevrolet | Trax | N/A | |||
| 2017 | Chevrolet | Sonic | N/A | |||
| 2017 | Chevrolet | Trax | N/A | |||
| 2016 | Chevrolet | Sonic | N/A | |||
| 2016 | Chevrolet | Trax | N/A | |||
| 2015 | Chevrolet | Sonic | N/A | |||
| 2015 | Chevrolet | Spark | N/A | |||
| 2015 | Chevrolet | Trax | N/A | |||
| 2014 | Chevrolet | Sonic | N/A | |||
| 2014 | Chevrolet | Spark | N/A | |||
| 2014 | Chevrolet | Trax | N/A | |||
| 2013 | Chevrolet | Sonic | N/A | |||
| 2013 | Chevrolet | Spark | N/A | |||
| 2013 | Chevrolet | Trax | N/A | |||
| 2012 | Chevrolet | Sonic | N/A | |||
| 2012 | Chevrolet | Spark | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.