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Standard Ignition RU-76 HVAC Blower Motor Resistor
Overview of Standard Ignition HVAC Blower Motor Resistor RU-76
The Standard Ignition HVAC Blower Motor Resistor RU-76 is designed specifically for Lexus ES300 and LS400 models. This component regulates the blower motor speed, ensuring proper climate control performance in your vehicle's HVAC system.
- Compatible with Lexus ES300 and LS400
- Attachment method: Screw for secure installation
- Connector type: Female, rectangular shape with one connector cavity
- Supports 3-5 blower motor speeds
- 12-volt electrical system compatibility
- Terminal type: Two male blade terminals
- No wiring harness or mounting brackets included
Detailed Product Description
The RU-76 blower motor resistor from Standard Ignition is engineered to control the speed of the HVAC blower motor in Lexus ES300 and LS400 vehicles. It features a screw attachment method for a firm and reliable fit. The resistor includes a female rectangular connector with a single cavity, designed to interface with the vehicle's wiring harness (not included). It supports multiple blower speeds, ranging from three to five, allowing for precise airflow control within the cabin. The resistor operates on a 12-volt system and uses two male blade terminals for electrical connection. This part does not come with additional hardware or mounting brackets, so ensure your existing components are compatible during installation.
Common Applications and Issues Resolved
- Restores proper blower motor speed control in Lexus ES300 and LS400 HVAC systems
- Eliminates blower motor stuck on one speed or no speed
- Fixes inconsistent or intermittent blower motor operation
- Addresses overheating or failure of the blower motor resistor
- Improves overall HVAC system reliability and comfort
Installation Notes and Tips
Installation requires removing the old blower motor resistor and securing the RU-76 unit using screws. Since no wiring harness or mounting brackets are included, reuse existing hardware and connectors. Verify the connector gender and shape match your vehicle’s wiring harness before installation. Handle the blade terminals carefully to avoid damage. It is recommended to disconnect the vehicle battery before installation to prevent electrical shorts.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The RU-76 blower motor resistor undergoes rigorous quality control to ensure durability and reliable performance in Lexus ES300 and LS400 models. Warranty coverage details should be confirmed with the point of purchase or Standard Ignition documentation.
| Brand | Standard Ignition |
| Part Number | RU-76 |
| Attachment Method | Screw |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Hardware Included | No |
| Harness Length - cm | No wire |
| Harness Length - inches | No wire |
| Mounting Bracket(s) Included | No |
| Number Of Connector Cavities | 1 |
| Number Of Speeds | 3-5 Speed |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Wiring Harness Included | No |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1998 | Toyota | Avalon | XLS | 3.0L | V6 | N/A | |
| 1997 | Toyota | Avalon | XLS | 3.0L | V6 | N/A | |
| 1996 | Lexus | ES300 | N/A | Not compatible with automatic AC systems. | |||
| 1995 | Lexus | ES300 | N/A | Not compatible with automatic AC systems. | |||
| 1995 | Toyota | Avalon | XLS | 3.0L | V6 | N/A | |
| 1994 | Lexus | ES300 | N/A | Not compatible with automatic AC systems. | |||
| 1994 | Lexus | LS400 | N/A | ||||
| 1993 | Lexus | ES300 | N/A | Not compatible with automatic AC systems. | |||
| 1993 | Lexus | LS400 | N/A | ||||
| 1992 | Lexus | ES300 | N/A | Not compatible with automatic AC systems. | |||
| 1992 | Lexus | LS400 | N/A | ||||
| 1991 | Lexus | LS400 | N/A | ||||
| 1990 | Lexus | LS400 | 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.