Designed to restore variable speed control to the A/C and heater blower motor, the Standard Ignition Blower Motor Resistor RU-43 helps optimize HVAC performance and passenger comfort. It is listed for several models from Chevrolet, Oldsmobile and Pontiac, among them the 1997-2003 Chevrolet Malibu, 2004-2005 Chevrolet Classic and 2003 Chevrolet Vectra.
- Copper electrical connectors: premium copper connectors are used for more precise, accurate resistance values, which improves resistor performance and is intended to extend part life.
- Built-in fuse: designed to guard against resistor failure from an excessive electrical current surge, helping protect the blower motor and other components from damage.
- Tin-plated steel terminals: chosen for corrosion resistance and conductivity.
- Designed for GM applications: Standard Ignition's research and design process aims for seamless integration with the vehicle's HVAC system, and each resistor undergoes extensive testing at its facility to verify correct performance.
As the HVAC blower motor resistor in the fan circuit, this part controls the current reaching the blower motor to provide its lower fan speeds. If a failed resistor is the reason your fan works only on high or skips settings, the RU-43 replaces it.
See the "Vehicles it fits" section for engine-specific details.
Interchange: 2-BMR5
2BMR5 · RU872 · DR774 · BR82 · 15359314 · 15369330 · 52472768 · 89018413 · BR82SB · BMR5 · RU43T
This part cross-references / interchanges with the following part numbers:
RU872, DR774, BR82, 15359314, 15369330, 52472768, 89018413, 2-BMR5, BR82SB, BMR5, RU43T
Frequently Asked Questions
Is this the right blower motor resistor for a 1997-2003 Chevy Malibu?
The RU-43 is listed for the 1997-2003 Chevrolet Malibu, along with other GM models. Check the "Vehicles it fits" section to confirm the application and engine for your vehicle.
What signs suggest a blower motor resistor may need replacing?
Common signs include a blower fan that runs only on its highest setting or has lost one or more lower speeds. Other faults can cause this too, so diagnose the circuit before replacing the resistor.
What does the built-in fuse do?
The built-in fuse is designed to protect against resistor failure from an excessive electrical current surge, which helps protect the blower motor and other components.
What are the connectors and terminals made of?
The RU-43 uses copper electrical connectors for accurate, precise resistance values, and tin-plated steel terminals for corrosion resistance and conductivity.
Which other part numbers does the RU-43 replace?
It cross-references to 2-BMR5, RU872, DR774, BR82, 15359314, 15369330, 52472768, 89018413, BR82SB, BMR5 and RU43T.
