Standard Ignition RU-587 HVAC Blower Motor Resistor - Front

Overview of Standard Ignition HVAC Blower Motor Resistor RU-587

The Standard Ignition HVAC Blower Motor Resistor RU-587 is designed to regulate the blower motor speeds in select Ford and Lincoln vehicles. This resistor ensures proper control of the HVAC blower motor, providing consistent airflow across multiple speed settings for models like the Ford Expedition, Lincoln Navigator, and Lincoln LS.

• Attachment Method: Screw mount for secure installation
• Connector Gender: Female with a rectangular shape
• Number of Speeds Supported: 3 to 5 speed settings
• Terminal Type: 5 male blade terminals
• Hardware and wiring harness not included
• Number of Connector Cavities: 1

Detailed Product Description

The RU-587 blower motor resistor from Standard Ignition is engineered to provide reliable speed control for HVAC blower motors in Ford Expedition, Lincoln Navigator, and Lincoln LS vehicles. It features a screw attachment method that ensures a stable and secure fit within the HVAC system. The resistor includes a female rectangular connector designed to interface with the vehicle’s wiring harness, although no wiring harness or mounting brackets are included with this part. It supports 3 to 5 blower motor speeds, accommodating various climate control settings. The resistor terminals are male blade type, with a total of five terminals to maintain proper electrical connections.

Common Applications and Issues Resolved

• Restores proper blower motor speed control in Ford Expedition HVAC systems
• Fixes inconsistent or non-functioning blower speeds in Lincoln Navigator models
• Addresses blower motor resistor failures causing no airflow or single-speed operation in Lincoln LS vehicles
• Eliminates overheating or electrical resistance issues within the blower motor circuit
• Resolves intermittent blower motor operation due to resistor faults

Installation Notes and Tips

• Ensure the vehicle is powered off before installation to avoid electrical hazards
• Use the screw attachment method to securely mount the resistor in the HVAC housing
• Verify connector orientation matches the female rectangular connector on the resistor
• Check the condition of the wiring harness and terminals before connecting
• Since hardware and wiring harness are not included, retain original components or source replacements as needed

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The RU-587 blower motor resistor undergoes rigorous quality control to ensure durability and reliable performance in Ford and Lincoln HVAC systems. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or retailer.