OE Quality
60-Day Returns

Dorman 973-005 HVAC Blower Motor Resistor
Reliable HVAC Blower Motor Resistor for Chevrolet and GMC Vehicles
The Dorman 973-005 HVAC blower motor resistor is designed to restore proper blower motor function in select Chevrolet, GMC, and Oldsmobile models. This replacement part ensures consistent airflow control for your vehicle's heating and cooling system.
- Terminal Type: Blade for secure electrical connection
- Includes blower motor resistor and installation instructions
- Mounting hardware not included, compatible with existing vehicle hardware
- Compatible with Chevrolet Blazer, GMC Jimmy, S10, Sonoma, and Oldsmobile Bravada
- Part number 973-005 for precise identification and fitment
Product Details and Specifications
The Dorman 973-005 blower motor resistor features a blade terminal type, which provides a reliable and straightforward connection to the vehicle's wiring harness. This part comes with clear instructions to assist with installation, although mounting hardware is not included and should be reused from the original component. Designed specifically for HVAC systems in Chevrolet Blazer, GMC Jimmy, S10, Sonoma, and Oldsmobile Bravada models, this resistor helps regulate the blower motor speed by controlling electrical current flow.
Common Applications and Problem Resolution
This blower motor resistor is used to address issues related to HVAC blower motor speed control. It is commonly installed to resolve:
- Blower motor only working on high speed
- Inconsistent or no airflow from vents at certain speed settings
- Intermittent blower motor operation
- HVAC blower motor resistor failure causing loss of multiple fan speeds
Installation Notes and Tips
When installing the Dorman 973-005 blower motor resistor, ensure the vehicle's ignition is off and the battery is disconnected to prevent electrical shorts. The blade terminal type requires careful alignment with the vehicle's wiring harness connectors. Since mounting hardware is not included, retain the original screws or bolts for secure installation. Follow the included instructions for proper resistor placement within the HVAC housing to maintain optimal airflow and component longevity.
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 973-005 blower motor resistor undergoes quality testing to ensure reliable performance in Chevrolet, GMC, and Oldsmobile vehicles. This part is backed by Dorman's limited warranty, providing coverage against defects in materials and workmanship under normal use.
| Brand | Dorman |
| Part Number | 973-005 |
| Mounting Hardware Included | No |
| Package Contents | Blower Motor Resistor and Instructions |
| Terminal Type | Blade |
This part fits 46 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Chevrolet | Blazer | N/A | |
| 2004 | Chevrolet | Blazer | N/A | |
| 2004 | Chevrolet | S10 | N/A | |
| 2004 | GMC | Sonoma | N/A | |
| 2003 | Chevrolet | Blazer | N/A | |
| 2003 | Chevrolet | S10 | N/A | |
| 2003 | GMC | Sonoma | N/A | |
| 2002 | Chevrolet | Blazer | N/A | |
| 2002 | Chevrolet | S10 | N/A | |
| 2002 | GMC | Sonoma | N/A | |
| 2001 | Chevrolet | Blazer | N/A | |
| 2001 | Chevrolet | S10 | N/A | |
| 2001 | GMC | Jimmy | N/A | |
| 2001 | GMC | Sonoma | N/A | |
| 2001 | Oldsmobile | Bravada | N/A | Resistor |
| 2000 | Chevrolet | Blazer | N/A | |
| 2000 | Chevrolet | S10 | N/A | |
| 2000 | GMC | Jimmy | N/A | |
| 2000 | GMC | Sonoma | N/A | |
| 2000 | Oldsmobile | Bravada | N/A | Resistor |
| 1999 | Chevrolet | Blazer | N/A | |
| 1999 | Chevrolet | S10 | N/A | |
| 1999 | GMC | Jimmy | N/A | |
| 1999 | GMC | Sonoma | N/A | |
| 1999 | Oldsmobile | Bravada | N/A | Resistor |
| 1998 | Chevrolet | Blazer | N/A | |
| 1998 | Chevrolet | S10 | N/A | |
| 1998 | GMC | Jimmy | N/A | |
| 1998 | GMC | Sonoma | N/A | |
| 1998 | Oldsmobile | Bravada | N/A | Resistor |
| 1997 | Chevrolet | Blazer | N/A | |
| 1997 | Chevrolet | S10 | N/A | |
| 1997 | GMC | Jimmy | N/A | |
| 1997 | GMC | Sonoma | N/A | |
| 1997 | Oldsmobile | Bravada | N/A | |
| 1996 | Chevrolet | Blazer | N/A | |
| 1996 | Chevrolet | S10 | N/A | |
| 1996 | GMC | Jimmy | N/A | |
| 1996 | GMC | Sonoma | N/A | |
| 1996 | Oldsmobile | Bravada | N/A | |
| 1995 | Chevrolet | Blazer | N/A | |
| 1995 | Chevrolet | S10 | N/A | |
| 1995 | GMC | Jimmy | N/A | |
| 1995 | GMC | Sonoma | N/A | |
| 1994 | Chevrolet | S10 | N/A | |
| 1994 | GMC | Sonoma | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.