Standard Ignition RU-383 HVAC Blower Motor Resistor

Overview of Standard Ignition HVAC Blower Motor Resistor RU-383

The Standard Ignition HVAC Blower Motor Resistor RU-383 is designed to regulate the blower motor speeds in select Chrysler and Dodge vehicles. This electronic coil resistor ensures reliable control of your HVAC blower motor, compatible with models such as the Chrysler 300M, Concorde, Intrepid, LHS, and New Yorker.

• Bolt-on attachment method for secure installation
• Electronic coil type resistor for consistent performance
• Female connector with two connectors in square and rectangular shapes
• Includes mounting bracket(s) for proper fitment
• Supports 3-5 speed blower motor operation
• Six blade-type male terminals with six connector cavities
• No wiring harness or hardware included

Detailed Product Description

The RU-383 blower motor resistor from Standard Ignition is engineered to provide precise control over the HVAC blower motor speeds in compatible Chrysler and Dodge vehicles. Featuring an electronic coil design, this resistor manages the electrical current to the blower motor, enabling multiple speed settings ranging from three to five speeds. The bolt-on attachment method and included mounting brackets facilitate a straightforward installation process. The resistor is equipped with a female connector featuring two connectors shaped in square and rectangle forms, designed to interface with six blade-type male terminals. This configuration ensures a secure and reliable electrical connection without the need for additional wiring harnesses or hardware.

Compatible Vehicles and Applications

This HVAC blower motor resistor is compatible with the following vehicles:

• Chrysler 300M
• Chrysler Concorde
• Chrysler Intrepid
• Chrysler LHS
• Chrysler New Yorker
• Dodge models matching the above platforms

Common Issues Addressed by RU-383 Resistor

• Blower motor stuck on a single speed
• HVAC blower not responding to speed control settings
• Intermittent blower motor operation
• Overheating or failure of blower motor resistor
• Loss of multiple blower speeds in HVAC system

Installation Notes and Tips

Installation of the Standard Ignition RU-383 blower motor resistor requires removal of the old resistor and securing the new unit using the bolt-on method. The included mounting brackets ensure proper alignment and fitment. Since no wiring harness or hardware is included, reuse existing connectors and hardware from the original resistor. Verify connector orientation—female connectors with square and rectangular shapes—and ensure all six blade terminals are properly seated. It is recommended to disconnect the vehicle battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The RU-383 blower motor resistor undergoes rigorous testing to ensure durability and reliable performance in HVAC systems. While specific warranty details are not provided here, Standard Ignition typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.