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Standard Ignition RU-488 HVAC Blower Motor Resistor - Front
Overview of Standard Ignition HVAC Blower Motor Resistor RU-488
The Standard Ignition HVAC Blower Motor Resistor RU-488 is designed to regulate the blower motor speeds in select Jeep models. Engineered for reliable performance, this resistor ensures proper airflow control in your vehicle's heating and cooling system.
- Bolt-on attachment method for secure installation
- Female rectangular connector with 4 cavities
- Supports 3-5 blower motor speeds
- Includes mounting bracket(s) for easy fitment
- Blade-type male terminals with 4 terminals total
- No wiring harness included
Detailed Product Description
This HVAC blower motor resistor from Standard Ignition, part number RU-488, is specifically compatible with Jeep Commander and Jeep Grand Cherokee models. It features a bolt-on attachment method that allows for straightforward replacement without the need for additional hardware, as none is included. The resistor has a single female rectangular connector with four cavities, designed to interface with the vehicle’s wiring harness. It supports multiple blower motor speeds, ranging from 3 to 5, enabling precise control of the HVAC blower fan.
The resistor terminals are blade type and male gender, with four terminals total, ensuring a secure electrical connection. The product comes with mounting brackets to facilitate proper installation and alignment within the HVAC system. Note that this resistor does not include a wiring harness or wires, so it is intended to be used with the existing vehicle wiring.
Common Applications and Issues Addressed
- Restores proper blower motor speed control in Jeep Commander and Grand Cherokee HVAC systems
- Resolves blower fan stuck on one speed or not working at all
- Fixes intermittent blower motor operation or inconsistent airflow
- Eliminates overheating or failure of the blower motor resistor
- Addresses electrical connection issues related to resistor terminals
Installation Notes and Tips
- Ensure vehicle ignition is off before beginning installation
- Locate the blower motor resistor in the HVAC housing, typically near the blower motor
- Remove the old resistor by unbolting and disconnecting the female connector
- Install the new RU-488 resistor using the included mounting brackets and bolt it securely
- Connect the female rectangular connector firmly to the resistor terminals
- Test blower motor speeds after installation to confirm proper operation
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The RU-488 blower motor resistor undergoes quality control testing to ensure durability and reliable performance in Jeep Commander and Grand Cherokee vehicles. Warranty coverage details should be confirmed with the parts provider or manufacturer, as they may vary.
| Brand | Standard Ignition |
| Part Number | RU-488 |
| Attachment Method | Bolt On |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Hardware Included | No |
| Harness Length - cm | No wire |
| Harness Length - inches | No wire |
| Mounting Bracket(s) Included | Yes |
| Number Of Connector Cavities | 4 |
| Number Of Speeds | 3-5 Speed |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Wiring Harness Included | No |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | Jeep | Commander | Front | w/o Auto. Temp Control; To 4/25/08; Alternate Number |
| 2008 | Jeep | Grand Cherokee | N/A | w/o Auto. Temp Control; To 4/25/08; Alternate Number |
| 2007 | Jeep | Commander | Front | Fitment: Excludes vehicles with automatic temperature control. |
| 2007 | Jeep | Commander | Front | w/o Auto. Temp Control; From 6/5/06; Alternate Number |
| 2007 | Jeep | Grand Cherokee | N/A | w/o Auto. Temp Control; To 6/4/06 |
| 2007 | Jeep | Grand Cherokee | N/A | w/o Auto. Temp Control; From 6/5/06; Alternate Number |
| 2006 | Jeep | Commander | Front | Fitment: Excludes vehicles with automatic temperature control. |
| 2006 | Jeep | Grand Cherokee | N/A | Fitment: Excludes vehicles with automatic temperature control. |
| 2005 | Jeep | Grand Cherokee | N/A | Fitment: Excludes vehicles with automatic temperature control. |
* 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.