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
$54.11 MSRP: $160.20
You Save: $106.09 (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
$54.11 MSRP: $160.20
You Save: $106.09 (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
View related parts
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
View related parts
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
View related parts
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

Our website offers an extensive catalog of genuine Chevrolet Trailblazer Blower Control Switches at unbeatable prices. Every OEM Chevrolet Trailblazer Blower Control Switches comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

Chevrolet Trailblazer Blower Control Switches Parts Questions & Experts Answers

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.

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