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Dorman 973-155 HVAC Blower Motor Resistor
| Brand | Dorman 973-155 |
|---|---|
| Bolt Hole Quantity | 2 |
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Shape | Rectangular |
| Mounting Hardware Included | No |
| Package Contents | Blower Motor Resistor and Instructions |
| Terminal Gender | Male |
| Terminal Quantity | 4 |
| Terminal Type | Blade |
| Wire Quantity | 0 |
| Wiring Harness Included | No |
| Fits | Chevrolet, Pontiac, and Saturn · 21 vehicles |
Direct replacement. Matches original operation and performance for proper heating and cooling control.
Blade terminals. Rectangular female connector with four male terminals for a secure electrical connection.
Blower motor resistor restores proper HVAC blower speed control.
Cross-references Eastern Catalytic 20336, 10398065 and DR752 for the same application. See all 5.
Dorman 973-155 HVAC Blower Motor Resistor
Restore proper cabin airflow control with this Dorman HVAC blower motor resistor. It is a direct replacement for the original resistor on select Chevrolet, Pontiac, and Saturn vehicles, helping return normal heating and cooling fan speeds when the factory unit has failed.
- Direct replacement HVAC blower motor resistor for select GM applications
- Matches original equipment operation and performance on confirmed vehicles
- Rectangular 1-connector design with 4 male terminals
- Blade terminal type with 2 bolt holes for mounting
- Package contents include the blower motor resistor and instructions
- Part number 973-155 for service and cross-reference lookup
Application Details
Compatible with 2006-2011 Chevrolet HHR, 2005-2010 Chevrolet Cobalt without electronic climate control, 2007-2010 Pontiac G5 without electric climate control, and 2003-2007 Saturn Ion with manual air conditioning controls. This Dorman 973-155 blower motor resistor is built for vehicles that use a manual fan-speed control circuit rather than electronic climate control.
This part cross-references Eastern Catalytic 20336 for the same application.
Common Problems It Can Help Solve
- Blower motor works only on certain fan speeds
- No cabin airflow from the HVAC vents
- Intermittent heater or A/C fan operation
- Burned or heat-damaged original resistor
- Loss of manual blower speed control
Installation Notes
Verify the connector style, terminal count, and climate control type before installation. This resistor uses a female rectangular connector, 4 male terminals, and no wiring harness or mounting hardware is included. Compare the original part number and vehicle HVAC configuration to confirm proper application before replacing the unit.
Quality Assurance
Dorman designs this replacement resistor to match the function of the original equipment on listed vehicles, supporting reliable HVAC blower speed control after the factory part has failed.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Chevrolet | HHR | N/A | — |
| 2010 | Chevrolet | Cobalt | N/A | wo/Electronic Climate Control |
| 2010 | Chevrolet | HHR | N/A | — |
| 2010 | Pontiac | G5 | N/A | wo/Electric Climate Control |
| 2009 | Chevrolet | Cobalt | N/A | wo/Electronic Climate Control |
| 2009 | Chevrolet | HHR | N/A | — |
| 2009 | Pontiac | G5 | N/A | wo/Electric Climate Control |
| 2008 | Chevrolet | Cobalt | N/A | wo/Electronic Climate Control |
| 2008 | Chevrolet | HHR | N/A | — |
| 2008 | Pontiac | G5 | N/A | wo/Electric Climate Control |
| 2007 | Chevrolet | Cobalt | N/A | wo/Electronic Climate Control |
| 2007 | Chevrolet | HHR | N/A | — |
| 2007 | Pontiac | G5 | N/A | wo/Electric Climate Control |
| 2007 | Saturn | Ion | N/A | Compatible with vehicles equipped with manual air conditioning controls. |
| 2006 | Chevrolet | Cobalt | N/A | wo/Electronic Climate Control |
| 2006 | Chevrolet | HHR | N/A | — |
| 2006 | Saturn | Ion | N/A | Compatible with vehicles equipped with manual air conditioning controls. |
| 2005 | Chevrolet | Cobalt | N/A | wo/Electronic Climate Control |
| 2005 | Saturn | Ion | N/A | Compatible with vehicles equipped with manual air conditioning controls. |
| 2004 | Saturn | Ion | N/A | Compatible with vehicles equipped with manual air conditioning controls. |
| 2003 | Saturn | Ion | N/A | Compatible with vehicles equipped with manual air conditioning controls. |
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