Standard Ignition HVAC Blower Motor Resistor P/N:RU-67
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Dial in every fan speed on your classic Chevy or GMC with the Standard Ignition HVAC Blower Motor Resistor RU-67. This is the front blower motor resistor, the component wired into the blower circuit that steps the current feeding the blower motor so the fan can run at its lower and mid-range speed settings. It drops in as a direct-fit replacement for 1973-1974 and 1987-1991 Chevrolet Blazer, 1975-1986 Chevrolet C10, 1973-1986 Chevrolet C10 Suburban, 1975-1987 Chevrolet C20, the 1973-1991 GMC Jimmy and dozens more (all engines) — see the Buyer's Guide tab for the full list.
Front HVAC resistor: the front blower motor resistor for the listed applications.
Sets fan speeds: adds resistance in the blower motor circuit to control the lower and mid-range speeds.
Direct-fit: installs on the listed applications without modification.
When a resistor fails, the blower commonly works only on high while the lower speeds go dead, or individual speeds drop out. If a failed front blower motor resistor is the cause of those symptoms, this RU-67 replaces it; diagnose the blower motor, switch, and wiring first, since those can produce the same signs.
Manufacturer part number RU-67.
Frequently Asked Questions
What does the RU-67 do?
It is the front HVAC blower motor resistor. It adds resistance in the blower motor circuit to set the lower and mid-range fan speeds; the high setting typically bypasses the resistor.
My blower only works on high — will this fix it?
If the front blower motor resistor is the cause, this RU-67 replaces it. Check the blower motor, switch, and wiring first, since they can produce the same symptom, and diagnose the cause before replacing.
Does the RU-67 fit my vehicle?
It is listed for many 1973-1991 Chevrolet and GMC trucks, vans, and Suburbans (all engines), including Blazer, C10, C20, and the GMC Jimmy. See the Buyer's Guide tab for the full list.
Is this a front or rear resistor?
This is the front HVAC blower motor resistor for the listed applications.
How many do I need?
The listed applications use one per vehicle (qty 1).
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STANDARD MOTOR PRODUCTS
Standard Ignition HVAC Blower Motor Resistor P/N:RU-67
Blower Motor ResistorBy using premium Copper electrical connectors, we ensure more precise resistance values. This improves resistor performance as well as offering a longer part life.Our research...
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.
