Bring back full fan-speed control across every heater and A/C setting with the Standard Ignition Blower Motor Resistor RU-456 (also written RU456). This front-mounted unit drops in across many Lexus and Toyota models, among them the 1997-2002 Toyota 4Runner, 2000-2002 Toyota Sienna and 2001-2007 Toyota Sequoia; see the Buyer's Guide tab for the full list.
A blower motor resistor sets the current delivered to the blower motor to provide the low and mid fan speeds on the climate control. If a failed resistor is the cause of losing those speeds, this replaces it.
Interchange: RU1149 · JA1681 · BR359 · 8716532010 · 8716533010
This part cross-references / interchanges with the following part numbers:
Where is the blower motor resistor located?
It is a front-mounted unit that installs within the HVAC system. Refer to your vehicle service information for the exact location and access procedure.
What does an HVAC blower motor resistor do?
It sets the current sent to the blower motor, providing the low and mid fan speeds on the climate control. Only high speed is usually available without a working resistor.
What are the signs my blower motor resistor may need replacing?
Common signs include a blower that runs only on high, loses certain speed settings, or stops working entirely. Diagnose the cause first, as other components can produce similar symptoms.
Is this a 2000-2002 Toyota Sienna blower motor resistor?
Yes. RU-456 is listed for the 2000-2002 Toyota Sienna, along with several other Lexus and Toyota models. Check the Buyer's Guide tab to confirm your exact year and model.
What makes the connectors on this resistor different?
It uses premium copper electrical connectors, which help ensure more precise resistance values, improving resistor performance and offering a longer part life.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
