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Chevrolet SSR Blower Motor Resistor: Function, Symptoms, and Replacement

If your SSR's fan speeds are acting up, the blower motor resistor is the likely culprit.

4 minutes to read 2003-2006 Chevrolet SSR
Difficulty
2/5
Est. Time
0.75 hrs
DIY Doable?
✅ Yes
Shop Labor
$50-$100
Used OEM Price
$20-$40
⚠️ Drivable, but... — Yes, but you will not have control over your fan speed, which can affect defroster performance and cabin comfort.
Key Takeaways
  • The most common symptom of failure is the fan only working on the highest speed setting.
  • Always inspect the wiring connector for melting; it's best to buy an aftermarket kit that includes a new harness.
  • This is a simple DIY job for most owners, located under the passenger side dashboard.
  • A failing blower motor can cause the new resistor to fail, so consider replacing both on a high-mileage SSR.
The blower motor resistor is a small electrical part in your 2003-2006 Chevrolet SSR's heating and air conditioning system. Its main job is to control the speed of the interior fan. When you adjust the fan speed knob on your dashboard, the resistor changes the amount of electrical current going to the blower motor. This allows you to have different fan speeds, from low to high. Without a working resistor, your fan would either run at full speed all the time or not at all.

Is your Chevrolet SSR's fan acting strange?

If your 2003-2006 Chevrolet SSR's climate control fan only works on the highest setting, won't switch speeds, or doesn't work at all, a failed blower motor resistor is the most common reason. This is a frequent issue on many vehicles from this era, including the SSR and its platform-mates like the Chevy Trailblazer. The resistor is a simple part, but when it fails, it can make your ride uncomfortable.

Symptoms of a Failing Blower Motor Resistor

Watch for these clear signs of a bad blower motor resistor in your SSR:

  • Fan Stuck on High Speed: The most classic symptom. The fan works on the highest setting but not on any of the lower speeds. This happens because the high setting bypasses the resistor entirely.
  • Some Fan Speeds Don't Work: You might lose one or more of the lower or medium speeds while others still function.
  • No Fan at All: If the resistor fails completely, it can cut power to the blower motor, meaning no air will come from your vents.
  • Burning Smell: In some cases, the resistor or its wiring connector can overheat and melt, producing a plastic burning smell from the vents. 🎬 Watch this video to see common blower motor resistor symptoms. This is a serious sign and should be addressed immediately.

Check the Wiring Harness

When replacing the resistor, it is critical to inspect the wiring connector that plugs into it. Overheating from a failing resistor often melts the connector. Many aftermarket kits include a new harness connector for this reason. If your connector is melted or shows signs of heat damage, you must replace it to prevent the new resistor from failing prematurely.

Choosing an Aftermarket Replacement Part

For the 2003-2006 SSR, you have options between OEM (Original Equipment Manufacturer) and aftermarket parts. While OEM parts are a direct match, quality aftermarket parts offer a significant cost saving and are readily available. Brands like Dorman and other "Replacement" tier parts often come as a kit including the resistor and a new wiring pigtail, which is a smart purchase. Given the age of the vehicle and the simplicity of the part, a quality aftermarket resistor is a practical and cost-effective choice for most owners.

🎬 See how to install a new resistor on 2003-2006 models.

Pro Tip: Consider the Blower Motor Itself

A blower motor resistor often fails because the blower motor is old and drawing too much electrical current, causing the resistor to overheat. If you replace the resistor but not an aging blower motor, the new resistor may fail again quickly. If your SSR has high mileage, it's wise to check the blower motor and consider replacing it at the same time as the resistor for a long-lasting repair.

Cost of Replacing a Blower Motor Resistor on a 2003-2006 Chevrolet SSR

Part Type Cost Range
New Aftermarket Part $28 - $56
Shop Labor $50 - $100
Total Estimated Cost (DIY) $28 - $56
Total Estimated Cost (Shop) $78 - $156

Note: Prices are estimates and can vary based on location, brand, and vehicle condition.

Frequently Asked Questions

Where is the blower motor resistor located on a 2003-2006 Chevy SSR?

The blower motor resistor is located on the passenger side of the vehicle, under the dashboard, near the blower motor itself. You will need to remove a lower trim panel to access it.

Is replacing the blower motor resistor a DIY job?

Yes, for most people with basic tools, this is a very feasible DIY repair. It involves removing a few screws and disconnecting electrical connectors. 🎬 Follow this step-by-step guide for replacing the resistor yourself. The most complex part might be splicing in a new wiring harness if the old one is melted, which requires wire strippers and crimpers.

Are there any recalls for the SSR blower motor resistor?

There are no specific safety recalls for the Chevrolet SSR's blower motor resistor. However, GM did issue recalls and special coverage adjustments for similar problems on other trucks from the same era, like the Silverado and Trailblazer, for overheating connectors. This highlights how common this issue is on GM vehicles of this period.

Should I buy a kit with the wiring harness?

Yes, it is highly recommended. The wiring connector is a common failure point and often melts along with the resistor. Buying a kit that includes the resistor and a new connector pigtail ensures you have everything needed for a complete and lasting repair.

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03-06 Chevy/GMC Blower Motor Resistor Install (Digital AC Control)

Technical Specifications

OEM Part Numbers: 89018778 1580863 89019351

Controls blower motor fan speeds. Typically includes a multi-pin connector for the main harness and a two-pin connector to the blower motor. Often sold as a kit with a replacement wiring harness.

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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.

Year Coverage
This article covers the Blower Motor Resistor for:
  • Chevrolet SSR: 2003200420052006
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