Standard Ignition RU-887 HVAC Blower Motor Resistor - Front or Rear

Reliable HVAC Blower Motor Resistor for GM Trucks and SUVs

The Standard Ignition RU-887 HVAC blower motor resistor is designed to restore proper blower motor function in select Cadillac, Chevrolet, and GMC vehicles. Engineered for durability and precise fitment, this resistor supports multiple blower speeds to ensure consistent climate control performance.

• Compatible with Cadillac Escalade, Escalade EXT, Chevrolet Avalanche 1500/2500, Silverado 2500 HD, Suburban 1500/2500, Tahoe, and GMC Sierra 1500/2500/3500, Yukon, Yukon XL 1500/2500
• Supports 3-5 speed blower motor operation
• Rectangular male and female connectors with 2 cavities and 5 blade terminals
• Includes a 6-inch (25 cm) wiring harness for easy connection
• Screw attachment method for secure installation
• Wiring harness included; hardware and mounting brackets not included

Detailed Product Features and Specifications

The RU-887 blower motor resistor from Standard Ignition is built to meet OEM specifications for HVAC systems in various GM trucks and SUVs. It features a rectangular connector shape with both male and female terminals, providing a reliable electrical connection. The resistor supports 3 to 5 blower speeds, accommodating different climate control settings. The included wiring harness measures 6 inches (25 cm) in length, allowing for straightforward integration into the vehicle's existing wiring. Installation is secured via screws, ensuring the resistor remains firmly in place during operation.

Common Applications and Problem Resolution

This HVAC blower motor resistor is commonly used to address issues such as:

• Blower motor only working on high speed
• Intermittent or no airflow from HVAC vents
• Inconsistent blower speeds or failure to adjust fan speed
• HVAC blower motor resistor failure causing climate control malfunctions
• Electrical connection problems within the blower motor circuit

Installation Notes and Tips

When installing the Standard Ignition RU-887 resistor, ensure the vehicle is powered off and the HVAC system is disconnected to prevent electrical shock. The screw attachment method requires appropriate tools for secure mounting. Verify the connector orientation matches the vehicle’s wiring harness to avoid damage. Since hardware and mounting brackets are not included, retain original components or source compatible replacements if necessary. The included wiring harness simplifies connection but inspect for any wear or damage before installation.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance for your HVAC system. The RU-887 blower motor resistor undergoes rigorous quality control to ensure durability and proper function. Warranty coverage details should be confirmed with the distributor or retailer, as they may vary by region and purchase conditions.