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Dorman 973-403 HVAC Blower Motor Resistor Kit
Overview of Dorman HVAC Blower Motor Resistor Kit 973-403
The Dorman 973-403 HVAC Blower Motor Resistor Kit is designed to restore proper blower motor function in select Chevrolet, GMC, and Oldsmobile vehicles. This kit includes a blower motor resistor and a wiring harness, engineered to meet the electrical connector requirements of your vehicle's HVAC system.
- Includes 1 blower motor resistor and 1 wiring harness
- Wiring harness length: 6 inches for optimal fit
- Blade terminal type with 4 male terminals
- Single female connector for secure connection
- Equipped with 3 mounting holes for stable installation
- Wiring harness included for direct replacement
- No mounting hardware or gasket/seal included
Detailed Product Description
The Dorman 973-403 blower motor resistor kit is specifically designed for HVAC electrical connectors in Chevrolet Blazer, GMC Jimmy, Oldsmobile Bravada, Chevrolet S10, and GMC Sonoma models. The kit features a 6-inch wiring harness with four wires and a single female connector that mates with male blade terminals. The resistor unit includes three mounting holes to ensure a secure fit within the HVAC system. This kit replaces worn or faulty blower motor resistors that can cause inconsistent blower speeds or complete failure of the HVAC blower motor.
Compatible Vehicles and Common Applications
- Chevrolet Blazer blower motor resistor replacement
- GMC Jimmy HVAC blower motor repair
- Oldsmobile Bravada blower motor resistor kit installation
- Chevrolet S10 blower motor speed control issues
- GMC Sonoma HVAC blower motor resistor troubleshooting
Installation Notes and Tips
- Ensure the vehicle ignition is off before installation
- Disconnect the battery to prevent electrical shorts
- Use the included wiring harness for a direct plug-and-play connection
- Secure the resistor using the three mounting holes provided
- Verify proper blower motor operation after installation
Quality Assurance and Warranty Information
Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 973-403 blower motor resistor kit undergoes rigorous testing to ensure reliable performance in Chevrolet, GMC, and Oldsmobile vehicles. While mounting hardware and gaskets are not included, the wiring harness and resistor are designed for straightforward replacement. Please refer to Dorman's warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | 973-403 |
| Connector Gender | Female |
| Connector Quantity | 1 |
| Gasket or Seal Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 3 |
| Package Contents | 1 Blower Motor Resistor; 1 Wire Harness |
| Terminal Gender | Male |
| Terminal Quantity | 4 |
| Terminal Type | Blade |
| Wire Quantity | 4 |
| Wiring Harness Included | Yes |
| Wiring Harness Length | 6 |
This part fits 46 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Chevrolet | Blazer | N/A | Blower Motor Resistor Kit includes Connector. |
| 2004 | Chevrolet | Blazer | N/A | Blower Motor Resistor Kit includes Connector. |
| 2004 | Chevrolet | S10 | N/A | Blower Motor Resistor Kit includes Connector. |
| 2004 | GMC | Sonoma | N/A | Blower Motor Resistor Kit includes Connector. |
| 2003 | Chevrolet | Blazer | N/A | Blower Motor Resistor Kit includes Connector. |
| 2003 | Chevrolet | S10 | N/A | Blower Motor Resistor Kit includes Connector. |
| 2003 | GMC | Sonoma | N/A | Blower Motor Resistor Kit includes Connector. |
| 2002 | Chevrolet | Blazer | N/A | Blower Motor Resistor Kit includes Connector. |
| 2002 | Chevrolet | S10 | N/A | Blower Motor Resistor Kit includes Connector. |
| 2002 | GMC | Sonoma | N/A | Blower Motor Resistor Kit includes Connector. |
| 2001 | Chevrolet | Blazer | N/A | Blower Motor Resistor Kit includes Connector. |
| 2001 | Chevrolet | S10 | N/A | Blower Motor Resistor Kit includes Connector. |
| 2001 | GMC | Jimmy | N/A | Blower Motor Resistor Kit includes Connector. |
| 2001 | GMC | Sonoma | N/A | Blower Motor Resistor Kit includes Connector. |
| 2001 | Oldsmobile | Bravada | N/A | Blower Motor Resistor Kit includes Connector. |
| 2000 | Chevrolet | Blazer | N/A | Blower Motor Resistor Kit includes Connector. |
| 2000 | Chevrolet | S10 | N/A | Blower Motor Resistor Kit includes Connector. |
| 2000 | GMC | Jimmy | N/A | Blower Motor Resistor Kit includes Connector. |
| 2000 | GMC | Sonoma | N/A | Blower Motor Resistor Kit includes Connector. |
| 2000 | Oldsmobile | Bravada | N/A | Blower Motor Resistor Kit includes Connector. |
| 1999 | Chevrolet | Blazer | N/A | Blower Motor Resistor Kit includes Connector. |
| 1999 | Chevrolet | S10 | N/A | Blower Motor Resistor Kit includes Connector. |
| 1999 | GMC | Jimmy | N/A | Blower Motor Resistor Kit includes Connector. |
| 1999 | GMC | Sonoma | N/A | Blower Motor Resistor Kit includes Connector. |
| 1999 | Oldsmobile | Bravada | N/A | Blower Motor Resistor Kit includes Connector. |
| 1998 | Chevrolet | Blazer | N/A | Blower Motor Resistor Kit includes Connector. |
| 1998 | Chevrolet | S10 | N/A | Blower Motor Resistor Kit includes Connector. |
| 1998 | GMC | Jimmy | N/A | Blower Motor Resistor Kit includes Connector. |
| 1998 | GMC | Sonoma | N/A | Blower Motor Resistor Kit includes Connector. |
| 1998 | Oldsmobile | Bravada | N/A | Blower Motor Resistor Kit includes Connector. |
| 1997 | Chevrolet | Blazer | N/A | Blower Motor Resistor Kit includes Connector. |
| 1997 | Chevrolet | S10 | N/A | Blower Motor Resistor Kit includes Connector. |
| 1997 | GMC | Jimmy | N/A | Blower Motor Resistor Kit includes Connector. |
| 1997 | GMC | Sonoma | N/A | Blower Motor Resistor Kit includes Connector. |
| 1997 | Oldsmobile | Bravada | N/A | Blower Motor Resistor Kit includes Connector. |
| 1996 | Chevrolet | Blazer | N/A | Blower Motor Resistor Kit includes Connector. |
| 1996 | Chevrolet | S10 | N/A | Blower Motor Resistor Kit includes Connector. |
| 1996 | GMC | Jimmy | N/A | Blower Motor Resistor Kit includes Connector. |
| 1996 | GMC | Sonoma | N/A | Blower Motor Resistor Kit includes Connector. |
| 1996 | Oldsmobile | Bravada | N/A | Blower Motor Resistor Kit includes Connector. |
| 1995 | Chevrolet | Blazer | N/A | Blower Motor Resistor Kit includes Connector. |
| 1995 | Chevrolet | S10 | N/A | Blower Motor Resistor Kit includes Connector. |
| 1995 | GMC | Jimmy | N/A | Blower Motor Resistor Kit includes Connector. |
| 1995 | GMC | Sonoma | N/A | Blower Motor Resistor Kit includes Connector. |
| 1994 | Chevrolet | S10 | N/A | Blower Motor Resistor Kit includes Connector. |
| 1994 | GMC | Sonoma | N/A | Blower Motor Resistor Kit includes Connector. |
* 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.