Standard Ignition RU-109 HVAC Blower Motor Resistor

Reliable HVAC Blower Motor Resistor for Dodge and Jeep Vehicles

The Standard Ignition RU-109 HVAC blower motor resistor is designed to restore proper blower motor function in select Dodge and Jeep models. Engineered for durability and precise fitment, this resistor ensures consistent climate control performance in your vehicle.

• Bolt-on attachment method for secure installation
• Electronic coil type for efficient operation
• Female square connector with 4 cavities and 1 connector quantity
• Includes mounting bracket(s) for easy setup
• Supports 3-5 speed blower motor control
• Blade-type male terminals, 4 in quantity
• No wiring harness or hardware included

Product Details and Specifications

The RU-109 blower motor resistor from Standard Ignition is built with an electronic coil type that provides reliable resistance control for your HVAC blower motor. It features a bolt-on attachment method, ensuring a firm and stable fit within the HVAC system. The resistor includes a mounting bracket to facilitate installation but does not come with additional hardware or wiring harnesses. The connector is female with a square shape and contains four cavities, matching the male blade terminals on the vehicle side. This resistor supports blower motors with 3 to 5 speed settings, making it compatible with various HVAC configurations.

Compatible Vehicles and Applications

This blower motor resistor is compatible with several Dodge and Jeep models, including:

• Dodge Ram 1500, Ram 2500, Ram 3500
• Dodge Ramcharger
• Jeep Grand Cherokee

Use the Standard Ignition RU-109 resistor to address HVAC blower motor issues specifically in these vehicles, ensuring proper fan speed control and climate comfort.

Common Issues Addressed by This Resistor

• Blower motor only works on high speed
• Inconsistent or no fan speed control
• HVAC blower motor fails to operate at certain speeds
• Intermittent blower motor function
• Overheating or electrical resistance problems in blower motor circuit

Installation Notes and Tips

Installation of the RU-109 blower motor resistor requires removing the old resistor from the HVAC housing and bolting the new unit in place using the included mounting bracket. Ensure the female square connector aligns properly with the vehicle’s male blade terminals. Since no wiring harness or hardware is included, retain original components for reinstallation. Verify blower motor operation at all speeds after installation to confirm proper function.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The RU-109 blower motor resistor undergoes quality control testing to ensure reliable performance. Warranty coverage details should be confirmed with the product documentation or supplier.