Standard Motor Products RU78 HVAC Blower Motor Resistor

The Standard Motor Products RU78 is a direct replacement HVAC blower motor resistor designed to restore variable speed control to your vehicle's heating and air conditioning system. This precision-engineered component regulates electrical current from the fan switch to the blower motor, enabling multiple fan speed settings for optimal climate control and passenger comfort.

Key Features:

• Premium copper electrical connectors ensure precise resistance values for enhanced performance and longer service life
• High-quality ceramic construction withstands extreme temperature fluctuations
• 5-blade male terminals with rectangular female connector for secure electrical connection
• Controls 3-5 speed settings depending on vehicle application
• Screw-mount attachment for secure, vibration-resistant installation
• Manufactured to exceed OEM specifications for dependable, maintenance-free operation
• TS16949 and ISO9001 certified manufacturing ensures consistent quality

This resistor is designed for straightforward installation—simply disconnect the electrical connector, remove two mounting screws, replace the old resistor with the new unit, and restore full functionality to all blower speed settings. Standard Motor Products maintains rigorous quality control throughout the manufacturing process to ensure reliable performance in all operating conditions.