How to Replace Blower Control Switches in HVAC Systems on Chevrolet Trailblazer?

The front auxiliary Blower Motor Switch must be pressed down and to the right to be removed from the control panel. Begin by taking the electrical connector off the switch. Plug in the electrical cable to the front auxiliary Blower Motor Switch before placing the switch back into its original position on the console.

OEM Chevrolet Trailblazer Blower Control Switches

HVAC Control Switch

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20 Blower Control Switches found

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Chevrolet Trailblazer Blower Motor Switch Part Number: 15250212
$94.73 MSRP: $151.56
You Save: $56.83 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel; Control, Heater Control; Control, Radio Receiver
- Replaces: 15166894
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2008 Chevrolet Trailblazer | Base, LS, LT, SS | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Heater Control, Jet Black Part Number: 42732420
$124.34 MSRP: $223.04
You Save: $98.70 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C User Interface *Jet Black; Dash Control Unit
- Replaced by: 42775570
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Chevrolet Trailblazer | ACTIV, L, LS, LT, RS | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Heater Control, Jet Black Part Number: 42726403
$87.67 MSRP: $156.55
You Save: $68.88 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C User Interface; Jet Black; Climate Control Module; Blower Switch; HVAC Module; Dash Control Unit; Control, Heater And A/C Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021 Chevrolet Trailblazer | L, LS | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Heater Control, Jet Black Part Number: 42755151
$58.99 MSRP: $174.62
You Save: $115.63 (67%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C User Interface *Jet Black; Dash Control Unit; Control, Heater And A/C Control
- Replaced by: 42854936
- Replaces: 42732421
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Chevrolet Trailblazer | ACTIV, L, LS, LT, RS | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Heater Control, Jet Black Part Number: 42854936
$58.99 MSRP: $174.62
You Save: $115.63 (67%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater & A/C User Interface *Jet Black; Control, Heater And A/C Control
- Replaces: 42775571
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, L, LS, LT, RS | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Heater Control, Jet Black Part Number: 42854935
$87.76 MSRP: $156.72
You Save: $68.96 (44%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater & A/C User Interface *Jet Black; Control, Heater And A/C Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2024 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Control Module Part Number: 85137500
$72.68 MSRP: $129.78
You Save: $57.10 (44%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote; Controller; Control, Heater And A/C Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 Chevrolet Trailblazer | ACTIV, LS, LT, RS | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Heater Control, Jet Black Part Number: 42854938
$101.14 MSRP: $180.60
You Save: $79.46 (44%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater & A/C User Interface *Jet Black; Dash Control Unit; Control, Heater And A/C Control
- Replaces: 42775574, 42729743
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, L, LS, LT, RS | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Chevrolet Trailblazer Heater Control Part Number: 15250198
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module; Blower Control Switch; Blower Motor Switch; Control, A/C Instrument Panel; Control, Heater Control
- Replaces: 15166895, 15184851, 15081586
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2003 Chevrolet Trailblazer | LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS
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Chevrolet Trailblazer Dash Control Unit Part Number: 15845093
Product Specifications
- Other Name: Control Assembly-Heater & A/C; Climate Control Module; Control, A/C Instrument Panel
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Chevrolet Trailblazer | Base, LT, SS | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Heater Control Part Number: 21999159
Product Specifications
- Other Name: Control, Heater & A/C; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel
- Replaces: 15165918, 15195331
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2004 Chevrolet Trailblazer | LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS
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Chevrolet Trailblazer Heater Control Part Number: 25945046
$152.01 MSRP: $268.90
You Save: $116.89 (44%)
Product Specifications
- Other Name: Control Assembly-Heater & A/C; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel
- Replaces: 15195333, 10395426, 15220318, 15165920, 15203181, 15132072
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2009 Chevrolet Trailblazer | Base, LS, LT, LTZ, North Face, SS | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Heater Control Part Number: 15814152
$217.86 MSRP: $387.02
You Save: $169.16 (44%)
Product Specifications
- Other Name: Control Assembly-Heater & A/C; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel
- Replaces: 15203179, 15220319
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Chevrolet Trailblazer | LS, LT, SS | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Heater Control Part Number: 25815715
Product Specifications
- Other Name: Control Assembly-Heater & A/C; Climate Control Module; Blower Control Switch; Blower Motor Switch; Dash Control Unit; Control, A/C Instrument Panel; Control, Heater Control; Control, Radio Receiver
- Replaces: 15082687
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2009 Chevrolet Trailblazer | Base, LS, LT, LTZ, North Face, SS | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Temperature Control Part Number: 15098963
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module; Blower Control Switch; Heater Control; Dash Control Unit; Control, Heater Control
- Replaces: 16250555
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2003 Chevrolet Trailblazer | LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS
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Chevrolet Trailblazer Heater Control Part Number: 21999160
Product Specifications
- Other Name: Control Assembly-Heater & A/C; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel
- Replaces: 15195383
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002 Chevrolet Trailblazer | LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS
View related parts
Chevrolet Trailblazer Heater Control Part Number: 21999161
Product Specifications
- Other Name: Control, Heater & A/C; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel
- Replaces: 15084170, 15076095, 15195382
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002 Chevrolet Trailblazer | LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS
View related parts
Chevrolet Trailblazer Heater Control Part Number: 21999163
$329.25 MSRP: $586.82
You Save: $257.57 (44%)
Product Specifications
- Other Name: Control Assembly-Heater & A/C; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel
- Replaces: 15079112, 15195380, 15077479, 15085358
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002 Chevrolet Trailblazer | LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS
View related parts
Chevrolet Trailblazer A/C Switch Part Number: 1999499
Product Specifications
- Other Name: Switch Assembly, Auxiliary Heater & A/C Blower Control; Blower Control Switch; Blower Motor Switch; Switch, A/C Electric Temperature And Motor Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2003 Chevrolet Trailblazer | LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS
View related parts
Chevrolet Trailblazer Heater Control Part Number: 25945047
$169.90 MSRP: $300.98
You Save: $131.08 (44%)
Product Specifications
- Other Name: Control Assembly-Heater & A/C; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel
- Replaces: 15132073, 15195334, 15220317, 10395427, 15165921
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2009 Chevrolet Trailblazer | Base, LS, LT, LTZ, North Face, SS | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS

Chevrolet Trailblazer Blower Control Switches

Want to cut long-term maintenance and repair costs? Choose OEM Blower Control Switches. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Chevrolet Trailblazer parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Chevrolet Trailblazer Blower Control Switches includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

The Chevrolet Trailblazer Blower Control Switches are critical parts in regulating the fan speed in the evaluation's heating and air conditioning system. Well known for their efficiency and durability, these Blower Control Switches help regulating the temperature and air circulation within the car cabin so that the driver and the other passengers do not feel the outside heat or cold. In relation to the Chevrolet Trailblazer models, the Blower Control Switches have changed and maintained their main use while changes affecting them are necessary with the different generations. This characteristic stresses on the efficiency and safety features of the Chevrolet Trailblazer because the climate inside the car has a tight correlation with the driver's focus and comfort while on the road. However, it should be admitted that both the Chevrolet Trailblazer Blower Control Switches are ergonomically designed to improve a car's usability in the contemporary automotive market. They are harmoniously incorporated into the blower motor of the vehicle hence successfully controlling the climate of the car interior for enhanced comfort, thereby generally making the driving experience more satisfying. These Blower Control Switches still stand as proof that Chevrolet Trailblazer is committed to quality and innovation as it keeps on changing, the brand sustaining theTrailblazer as a dependable and spirited SUV. As the control tool for regulating the climate within the car and the component that adds to the driver and passenger's safety the Chevrolet Trailblazer Blower Control Switch is a must have in every vehicle, particularly in a Trailblazer.

Chevrolet Trailblazer Blower Control Switches Parts and Q&A

Heater Control
21999163
Q: How to Replace Blower Control Switches in HVAC Systems on Chevrolet Trailblazer?
A:
The front auxiliary Blower Motor Switch must be pressed down and to the right to be removed from the control panel. Begin by taking the electrical connector off the switch. Plug in the electrical cable to the front auxiliary Blower Motor Switch before placing the switch back into its original position on the console.