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Dorman 973-138 HVAC Blower Motor Resistor Kit
Overview of Dorman HVAC Blower Motor Resistor Kit 973-138
The Dorman 973-138 HVAC Blower Motor Resistor Kit is designed specifically for Toyota Pickup models. This kit includes a blower motor resistor and a wiring harness, engineered to restore proper blower motor function and ensure reliable HVAC performance.
- Compatible with Toyota Pickup vehicles
- Includes 1 blower motor resistor and 1 wiring harness
- Wiring harness length: 8.2 inches for easy installation
- Blade terminal type with 4 male terminals
- Single female connector with 4 wires
- Two mounting holes for secure attachment
- Wiring harness included, mounting hardware not included
Detailed Product Description
The Dorman 973-138 blower motor resistor kit features a wiring harness measuring 8.2 inches in length, providing sufficient reach for installation in the HVAC system of Toyota Pickup trucks. The kit includes a single female connector with four wires and four male blade terminals, designed to ensure a secure and reliable electrical connection. The resistor itself mounts using two mounting holes, allowing for stable placement within the blower motor assembly. While mounting hardware is not included, the kit provides all necessary electrical components to replace a faulty blower motor resistor and wiring harness.
Common Applications and Problem Resolution
This blower motor resistor kit is used to regulate the speed of the HVAC blower motor in Toyota Pickup vehicles. It addresses several common issues, including:
- Blower motor only working on high speed
- Intermittent or no airflow from the HVAC vents
- Complete failure of the blower motor resistor
- Electrical connection problems due to damaged wiring harness
- HVAC blower motor speed control malfunction
Installation Notes and Tips
Installation of the Dorman 973-138 blower motor resistor kit requires basic automotive electrical knowledge. The included wiring harness simplifies the replacement process by providing a direct plug-and-play connection. Ensure the vehicle’s battery is disconnected before installation to prevent electrical shorts. Since mounting hardware is not included, retain the original screws or purchase compatible fasteners. Verify the resistor is securely mounted using the two mounting holes to avoid vibration damage.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 973-138 blower motor resistor kit undergoes quality control testing to ensure durability and reliable performance in Toyota Pickup HVAC systems. Warranty coverage details can be obtained from the product packaging or Dorman’s official documentation.
| Brand | Dorman |
| Part Number | 973-138 |
| Connector Gender | Female |
| Connector Quantity | 1 |
| Gasket or Seal Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 2 |
| 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 | 8.2 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Body Type | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 1991 | Toyota | Pickup | Extended Cab Pickup | 4WD | N/A | Made in Japan. |
| 1990 | Toyota | Pickup | Extended Cab Pickup | 4WD | N/A | Made in Japan. |
| 1989 | Toyota | Pickup | Extended Cab Pickup | 4WD | N/A | Made in Japan. |
* 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.