Standard Ignition RU-687 HVAC Blower Motor Resistor

Overview of Standard Ignition HVAC Blower Motor Resistor RU-687

The Standard Ignition HVAC Blower Motor Resistor RU-687 is designed to regulate the blower motor speeds in select Dodge trucks and SUVs. This resistor supports multiple fan speeds, ensuring precise control of your vehicle's heating and cooling system.

• Compatible with Dodge D150, D250, D350, Ramcharger, W150, W250, and W350 models
• Supports 3 to 5 blower motor speeds for versatile climate control
• Male blade terminals with 5 terminal quantity for secure electrical connections
• Screw attachment method for reliable mounting
• No wiring harness or mounting brackets included, designed for direct replacement

Detailed Product Description

The RU-687 blower motor resistor by Standard Ignition is engineered to provide consistent and reliable blower motor speed regulation for Dodge trucks and SUVs including the D150, D250, D350, Ramcharger, W150, W250, and W350. Featuring a screw attachment method, this resistor installs securely without the need for additional mounting brackets. It includes five male blade terminals, allowing for a stable electrical connection to the vehicle’s HVAC system. The resistor supports between three and five blower motor speeds, accommodating various climate control settings. This part does not come with a wiring harness or connector, making it suitable for vehicles with existing compatible wiring setups.

Common Applications and Issues Addressed

• Restores proper blower motor speed control in Dodge D150, D250, D350, Ramcharger, W150, W250, and W350 HVAC systems
• Resolves blower motor stuck on one speed or no speed issues
• Fixes intermittent blower motor operation or inconsistent fan speeds
• Eliminates overheating or failure of blower motor resistor components
• Improves overall HVAC system performance and passenger comfort

Installation Notes and Tips

• Ensure vehicle ignition is off before beginning installation
• Remove the old blower motor resistor by unscrewing the mounting screws
• Verify the connector terminals match the male blade terminal configuration of RU-687
• Do not attempt to splice or modify wiring harnesses; this resistor is designed for direct replacement
• Test blower motor speeds after installation to confirm proper operation

Quality Assurance and Warranty

Standard Ignition manufactures the RU-687 blower motor resistor to meet or exceed OEM specifications for durability and performance. While hardware and wiring harnesses are not included, the part is built to provide reliable service in compatible Dodge D150, D250, D350, Ramcharger, W150, W250, and W350 models. Please consult Standard Ignition’s warranty policy for specific coverage details related to this part number.