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Standard Ignition RU-807 HVAC Blower Motor Resistor - Rear
Reliable HVAC Blower Motor Resistor for Cadillac, Chevrolet, and GMC
The Standard Ignition RU-807 HVAC blower motor resistor is designed to restore proper blower motor function in select Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon models. Engineered for durability and precise fitment, this resistor ensures consistent climate control performance.
- Bolt-on attachment method for secure installation
- Electronic coil type for efficient operation
- Includes male and female rectangular connectors with 2 connector quantity
- Wiring harness included with 11-inch (70 cm) length
- Mounting bracket(s) included for easy setup
- Supports 3-5 speed blower motor control
- Five blade-type terminals with male and female gender
Product Details and Specifications
The RU-807 blower motor resistor from Standard Ignition is built to meet OEM standards for HVAC system components. Its electronic coil design provides reliable resistance control to regulate blower motor speeds between 3 and 5 settings. The resistor features a bolt-on attachment method, ensuring a secure and stable fit within the HVAC housing. Equipped with two rectangular connectors—both male and female—and five blade terminals, this resistor integrates seamlessly with the vehicle’s wiring harness. The included wiring harness measures approximately 11 inches (70 cm), allowing for straightforward connection without additional modifications. A mounting bracket is also included to facilitate proper installation in the HVAC assembly.
Compatible Vehicles and Common Applications
This HVAC blower motor resistor is compatible with the following vehicles:
- Cadillac Escalade
- Chevrolet Tahoe
- GMC Yukon
It is designed to address issues such as:
- Blower motor only working on certain speeds
- Intermittent or no airflow from HVAC vents
- Inconsistent fan speed control
- HVAC blower motor resistor failure symptoms
- Electrical resistance problems affecting blower motor operation
Installation Notes and Tips
Installation of the Standard Ignition RU-807 blower motor resistor requires basic automotive electrical knowledge. The bolt-on design and included mounting bracket simplify the replacement process. Ensure the vehicle’s battery is disconnected before installation to prevent electrical shorts. Verify connector orientation—male and female rectangular connectors—and securely attach the wiring harness. Double-check all terminal connections to avoid loose contacts. No additional hardware is included, so retain original mounting screws if necessary.
Quality Assurance and Warranty Information
Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The RU-807 blower motor resistor undergoes rigorous quality control testing to ensure proper function in Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon HVAC systems. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.
| Brand | Standard Ignition |
| Part Number | RU-807 |
| Attachment Method | Bolt On |
| Coil Type | Electronic |
| Connector Gender | Male; Female |
| Connector Shape | Rectangular |
| Hardware Included | No |
| Harness Length - cm | 70 |
| Harness Length - inches | 11 |
| Mounting Bracket(s) Included | Yes |
| Number Of Connector Cavities | 5 |
| Number Of Speeds | 3-5 Speed |
| Terminal Gender | Male; Female |
| Terminal Type | Blade |
| Wiring Harness Included | Yes |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Cadillac | Escalade | Rear | |
| 2006 | Chevrolet | Tahoe | Rear | with automatic air conditioning. |
| 2006 | GMC | Yukon | Rear | with automatic air conditioning. |
| 2005 | Chevrolet | Tahoe | Rear | with automatic air conditioning. |
| 2005 | GMC | Yukon | Rear | with automatic air conditioning. |
| 2004 | Chevrolet | Tahoe | Rear | with automatic air conditioning. |
| 2004 | GMC | Yukon | Rear | with automatic air conditioning. |
| 2003 | Chevrolet | Tahoe | Rear | with automatic air conditioning. |
| 2003 | GMC | Yukon | Rear | with automatic air conditioning. |
* 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.