Take charge of your A/C and heater fan speeds with the Standard Ignition Blower Motor Resistor RU-84, a 1993-2002 Toyota Corolla blower motor resistor that is also a direct-fit replacement for the 1998-1999 Chevrolet Prizm and 1993-1997 Geo Prizm. See the "Vehicles it fits" section for engine and trim details.
This HVAC blower motor resistor sets the current that reaches the blower motor, which is what lets the fan run at different speed settings. If a failed resistor is the reason your blower has lost one or more speeds, the RU-84 is designed to bring back variable speed control for both the heater and the A/C.
Interchange: RU841 · JA1306 · BR54 · 94854233 · 8713802010 · 8713812140
This part cross-references / interchanges with the following part numbers:
What does a blower motor resistor do?
It controls the current sent to the blower motor so the A/C and heater fan can run at different speeds. The RU-84 uses premium copper electrical connectors for more precise resistance values.
What are signs a blower motor resistor may need replacing?
A fan that runs on only some speed settings, or not at all on the lower ones, can be a sign of a failed resistor. Other faults cause similar symptoms, so diagnose the circuit before replacing it.
Which vehicles does this blower motor resistor fit?
It is a direct-fit replacement for the 1998-1999 Chevrolet Prizm and 1993-1997 Geo Prizm, as well as the 1993-2002 Toyota Corolla. Check the "Vehicles it fits" section to confirm your vehicle.
How is the RU-84 tested?
It undergoes extensive testing at Standard Ignition's facility to confirm correct performance in all conditions.
What part numbers does the RU-84 replace?
It crosses to RU841, JA1306, BR54, 94854233, 8713802010 and 8713812140.
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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.
