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Standard Ignition RU-485 HVAC Blower Motor Resistor
Overview of Standard Ignition HVAC Blower Motor Resistor RU-485
The Standard Ignition HVAC Blower Motor Resistor RU-485 is designed to regulate the blower motor speeds in select Dodge trucks and SUVs. This resistor supports 3 to 5 speed settings, ensuring precise control of your vehicle's heating and cooling system.
- Attachment method: Screw mount for secure installation
- Connector gender: No connector included
- Hardware and mounting brackets: Not included
- Number of speeds supported: 3-5 speed operation
- Terminal type: 3 male blade terminals
- Wiring harness: Not included
Detailed Product Description
The RU-485 blower motor resistor by Standard Ignition is engineered for compatibility with Dodge D100, D150, D250, D350, Ramcharger, W100, W150, W250, and W350 models. It features a screw attachment method that ensures a stable and reliable fit within the HVAC system. The resistor has three male blade terminals and does not include a wiring harness or mounting brackets, which allows for straightforward integration with existing vehicle components. This part supports multiple blower motor speeds, ranging from three to five, providing flexible climate control options for your Dodge vehicle.
Common Applications and Issues Addressed
- Restores proper blower motor speed control in Dodge D-series trucks and Ramcharger models
- Resolves blower motor stuck on one speed or no speed issues
- Fixes intermittent blower motor operation or failure to engage
- Eliminates overheating or burning smell caused by faulty resistors
- Improves HVAC system reliability and passenger comfort
Installation Notes and Tips
- Ensure the vehicle is powered off before installation
- Use appropriate screwdrivers for the screw attachment method
- Verify the resistor terminals align correctly with the vehicle’s wiring harness
- Check for corrosion or damage on blade terminals before installation
- Consult vehicle service manual for specific resistor location and removal instructions
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit and function. The RU-485 blower motor resistor undergoes rigorous quality control to ensure durability and consistent performance. While no specific warranty details are provided here, Standard Ignition typically offers limited warranties on their replacement parts. Refer to the product packaging or manufacturer documentation for exact warranty terms.
| Brand | Standard Ignition |
| Part Number | RU-485 |
| Attachment Method | Screw |
| Connector Gender | No Connector |
| Hardware Included | No |
| Harness Length - cm | No wire |
| Harness Length - inches | No wire |
| Mounting Bracket(s) Included | No |
| Number Of Speeds | 3-5 Speed |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Wiring Harness Included | No |
This part fits 52 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1990 | Dodge | D150 | N/A | |
| 1990 | Dodge | D250 | N/A | |
| 1990 | Dodge | D350 | N/A | |
| 1990 | Dodge | Ramcharger | N/A | |
| 1990 | Dodge | W150 | N/A | |
| 1990 | Dodge | W250 | N/A | |
| 1990 | Dodge | W350 | N/A | |
| 1989 | Dodge | D100 | N/A | |
| 1989 | Dodge | D150 | N/A | |
| 1989 | Dodge | D250 | N/A | |
| 1989 | Dodge | D350 | N/A | |
| 1989 | Dodge | Ramcharger | N/A | |
| 1989 | Dodge | W100 | N/A | |
| 1989 | Dodge | W150 | N/A | |
| 1989 | Dodge | W250 | N/A | |
| 1989 | Dodge | W350 | N/A | |
| 1988 | Dodge | D100 | N/A | |
| 1988 | Dodge | D150 | N/A | |
| 1988 | Dodge | D250 | N/A | |
| 1988 | Dodge | D350 | N/A | |
| 1988 | Dodge | Ramcharger | N/A | |
| 1988 | Dodge | W100 | N/A | |
| 1988 | Dodge | W150 | N/A | |
| 1988 | Dodge | W250 | N/A | |
| 1988 | Dodge | W350 | N/A | |
| 1987 | Dodge | D100 | N/A | |
| 1987 | Dodge | D150 | N/A | |
| 1987 | Dodge | D250 | N/A | |
| 1987 | Dodge | D350 | N/A | |
| 1987 | Dodge | Ramcharger | N/A | |
| 1987 | Dodge | W100 | N/A | |
| 1987 | Dodge | W150 | N/A | |
| 1987 | Dodge | W250 | N/A | |
| 1987 | Dodge | W350 | N/A | |
| 1986 | Dodge | D100 | N/A | |
| 1986 | Dodge | D150 | N/A | |
| 1986 | Dodge | D250 | N/A | |
| 1986 | Dodge | D350 | N/A | |
| 1986 | Dodge | Ramcharger | N/A | |
| 1986 | Dodge | W100 | N/A | |
| 1986 | Dodge | W150 | N/A | |
| 1986 | Dodge | W250 | N/A | |
| 1986 | Dodge | W350 | N/A | |
| 1985 | Dodge | D100 | N/A | |
| 1985 | Dodge | D150 | N/A | |
| 1985 | Dodge | D250 | N/A | |
| 1985 | Dodge | D350 | N/A | |
| 1985 | Dodge | Ramcharger | N/A | |
| 1985 | Dodge | W100 | N/A | |
| 1985 | Dodge | W150 | N/A | |
| 1985 | Dodge | W250 | N/A | |
| 1985 | Dodge | W350 | 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.