Keep every fan speed available with the Standard Ignition HVAC Blower Motor Resistor RU-62 (also written RU62), a front-mounted resistor that meters current to the blower motor so the HVAC system can run at its different speeds. It drops in across a wide list of 1976-1999 GM vehicles, including the 1982-1985 Buick Century, 1982-1992 Chevrolet Camaro, 1982-1994 Chevrolet S10, 1980-1992 Pontiac Firebird, and the 1985-1990 Volvo 740 — see the Buyer's Guide tab for the full 83-application list.
- Premium copper connectors: use copper electrical connectors for more precise resistance values, which supports resistor performance and part life.
- Seamless HVAC integration: the design process is aimed at fitting cleanly into the vehicle's HVAC system.
- Variable-speed control: handles the A/C and heater blower motor's variable speed control — if a failed resistor is the cause of your lost fan speeds, this replaces it to help optimize HVAC performance and passenger comfort.
- GM-focused, tested: specifically designed for GM applications and put through extensive testing to confirm correct performance across conditions.
If your blower only runs on high or has dropped a speed or two, a failed resistor is a common cause worth diagnosing before you replace it.
Interchange: RU815 · DR795 · BR25 · 10039426 · 526897
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this blower motor resistor do?
It meters current to the HVAC blower motor so the fan can run at its different speed settings. It's a front-mounted resistor for the A/C and heater blower circuit.
My blower only works on high speed — is this the part?
Losing the lower fan speeds while high still works is a common sign of a failed blower motor resistor. Diagnose the cause first; if the resistor is at fault, this RU-62 replaces it.
Will the RU-62 fit my vehicle?
It's designed for a broad list of GM applications (plus listed Volvo 740/745/760 models), such as the 1982-1992 Chevrolet Camaro and 1982-1994 Chevrolet S10. Check the Buyer's Guide tab for all 83 applications.
What numbers does this resistor interchange with?
It cross-references RU815, DR795, BR25, 10039426, and 526897.
What are the connectors made of?
The manufacturer uses premium copper electrical connectors, which they state supports more precise resistance values and longer part life.
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