Dorman - OE Solutions HVAC Blower Motor Resistor P/N:973-101
Help your HVAC fan run at the speeds you select with the Dorman blower motor resistor, part number 973-008. It is a direct replacement for a burnt-out resistor, the part that works with the blower motor to give you different fan speeds. It fits many vehicles, among them the 2002-2009 Chevrolet Trailblazer, 2002-2009 GMC Envoy and 2002-2006 Chevrolet Trailblazer EXT. See the "Vehicles it fits" section for the full list and engine details.
When this HVAC blower motor resistor fails, the blower may run on only one speed or stop working altogether. If a failed resistor is the cause, this Dorman unit replaces it. It is designed to operate like the original equipment part on the listed applications.
Interchange: 15-81095
1581095 · 3A1296 · RU1070 · 20299 · 15373437 · 15415789 · 22807121 · 89018439 · 89018604 · 89019100 · RU377 · RU377T · DR755
This part cross-references / interchanges with the following part numbers:
What does a blower motor resistor do?
It works with the blower motor to give you the different fan speeds you choose on the heating and A/C controls.
Will this 2002-2009 Chevy Trailblazer blower motor resistor fit my 2005 model?
It is listed for the 2002-2009 Chevrolet Trailblazer, and that range includes 2005. Check the "Vehicles it fits" section to confirm your exact vehicle.
Does it fit the 2002-2009 GMC Envoy?
Yes. It is listed for the 2002-2009 GMC Envoy and the 2002-2006 Chevrolet Trailblazer EXT. The other listed vehicles appear in the "Vehicles it fits" section.
What are the signs a blower motor resistor may need replacing?
Common signs are a fan that runs on only one speed or does not run at all. Other HVAC faults can cause the same symptoms, so diagnose the cause before replacing the resistor.
How is it installed?
It is a direct replacement that connects in place of the original resistor. Follow the vehicle service information for its location and for the removal and installation steps.
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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.