How do you remove the heater/air conditioning control unit from Chevrolet Blazer,S10,GMC Jimmy and Sonoma?

To remove the A/C switch from a 1994-1997 vehicle, start by disconnecting the battery cable from the negative battery terminal. Then, remove the instrument panel bezel to access the mounting screws for the A/C switch. There are four screws holding the switch to the dash, and they may need to be loosened if they are linked to the radio panel. Once the screws are removed, pull the switch out just enough to disconnect the control panel light, blower speed switch, and vacuum lines (if applicable). To install the A/C switch, simply reverse the removal procedure. For a 1998 and later vehicle, start by removing the knee bolster trim plate attaching screws, as well as the instrument panel trim plate screws. Gently pry the trim plate away from the dash and disconnect all electrical harnesses. Remove the switch attaching screws and disconnect the vacuum and electrical connections. Installation is the reverse of removal.

Genuine Chevrolet Blazer A/C Switch

Air Conditioning Switch

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49 A/C Switches found

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Chevrolet Blazer Fan Switch Assembly
Part Number: 16032480
$7.27 MSRP: $16.08
You Save: $8.81 (55%)
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Product Specifications
- Other Name: Switch Asm,Fan; Blower Motor Switch, Resistor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 Chevrolet Blazer | 1/2 TON | 6 Cyl 2.8L, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.2L Diesel
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Chevrolet Blazer Heater & Air Conditioner Control Blower Switch
Part Number: 16230771
$9.43 MSRP: $34.62
You Save: $25.19 (73%)
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Product Specifications
- Other Name: Switch,Heater & A/C Control Blower; Blower Motor Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2003 Chevrolet Blazer | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
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Chevrolet Blazer Blower Switch Assembly
Part Number: 16054620
$16.82 MSRP: $31.73
You Save: $14.91 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch Assembly, Blower ; Switch, Heater Control; Blower Motor Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1994 Chevrolet Blazer | 1/2 TON | 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel
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Chevrolet Blazer Heater & Air Conditioner Control Assembly Remote
Part Number: 84692740
$46.94 MSRP: $143.27
You Save: $96.33 (68%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly, Htr & A/C Rem; Controller
- Replaced by: 86788378
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2021 Chevrolet Blazer | HIGH COUNTRY/LTZ 4 DOOR SUV, L 4 DOOR SUV, LT 4 DOOR SUV, RS 4 DOOR SUV | 4 Cyl 2.0L, 4 Cyl 2.5L, 6 Cyl 3.6L
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Chevrolet Blazer Heater & Air Conditioner Control Assembly Remote
Part Number: 84566161
$86.41 MSRP: $157.10
You Save: $70.69 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly, Htr & A/C Rem; Controller
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019 Chevrolet Blazer | HIGH COUNTRY/LTZ 4 DOOR SUV, L 4 DOOR SUV, LT 4 DOOR SUV, RS 4 DOOR SUV | 4 Cyl 2.5L, 6 Cyl 3.6L
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Chevrolet Blazer Heater & Air Conditioner Control Assembly User Interface *Red
Part Number: 84769062
$262.83 MSRP: $495.91
You Save: $233.08 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly, Htr & A/C User Interface *Red; Heater Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2024 Chevrolet Blazer | RS 4 DOOR SUV | 4 Cyl 2.0L, 4 Cyl 2.5L, 6 Cyl 3.6L
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Chevrolet Blazer Heater & Air Conditioner Control Assembly User Interface *Red
Part Number: 84563760
$261.72 MSRP: $475.86
You Save: $214.14 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly, Htr & A/C User Interface *Red; Heater Control
- Replaces: 84452198
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2020 Chevrolet Blazer | RS 4 DOOR SUV | 4 Cyl 2.0L, 4 Cyl 2.5L, 6 Cyl 3.6L
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Chevrolet Blazer Control Assembly, Htr & A/C Rem
Part Number: 85137508
$34.67 MSRP: $65.42
You Save: $30.75 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Controller
- Replaced by: 85137510
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Blazer | HIGH COUNTRY/LTZ 4 DOOR SUV, L 4 DOOR SUV, LT 4 DOOR SUV, RS 4 DOOR SUV | 4 Cyl 2.0L, 4 Cyl 2.5L, 6 Cyl 3.6L
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Chevrolet Blazer Heater & Air Conditioner Control Assembly User Interface *Silver V
Part Number: 84769061
$261.25 MSRP: $470.71
You Save: $209.46 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly, Htr & A/C User Interface *Silver V; Heater Control
- Replaces: 84452199, 84563761
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2024 Chevrolet Blazer | HIGH COUNTRY/LTZ 4 DOOR SUV, L 4 DOOR SUV, LT 4 DOOR SUV | 4 Cyl 2.0L, 4 Cyl 2.5L, 6 Cyl 3.6L
View related parts
Chevrolet Blazer Heater & Air Conditioner Control Assembly User Interface *Silver V
Part Number: 84769060
$265.69 MSRP: $478.73
You Save: $213.04 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly, Htr & A/C User Interface *Silver V; Heater Control
- Replaces: 84452200, 84563762
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2024 Chevrolet Blazer | L 4 DOOR SUV, LT 4 DOOR SUV | 4 Cyl 2.0L, 4 Cyl 2.5L, 6 Cyl 3.6L
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Chevrolet Blazer Heater Control Dial
Part Number: 16144476
$29.24 MSRP: $88.22
You Save: $58.98 (67%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Dial,Heater Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1994 Chevrolet Blazer | 1/2 TON | 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel
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Chevrolet Blazer Heater & Air Conditioner Control Assembly User Interface *Silver V
Part Number: 84769063
$245.05 MSRP: $441.54
You Save: $196.49 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly, Htr & A/C User Interface *Silver V; Heater Control
- Replaces: 84452189, 84563755
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 Chevrolet Blazer | HIGH COUNTRY/LTZ 4 DOOR SUV | 4 Cyl 2.0L, 4 Cyl 2.5L, 6 Cyl 3.6L
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Chevrolet Blazer CONTROL ASM-HTR & A/C USER INTERFACE *TECH BRONZE
Part Number: 87824343
$248.67 MSRP: $448.07
You Save: $199.40 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 Chevrolet Blazer | HIGH COUNTRY/LTZ 4 DOOR SUV | 4 Cyl 2.0L, 6 Cyl 3.6L
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Chevrolet Blazer CONTROL ASM-HTR & A/C USER INTERFACE *TECH BRONZE
Part Number: 87824344
$256.19 MSRP: $461.60
You Save: $205.41 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 Chevrolet Blazer | HIGH COUNTRY/LTZ 4 DOOR SUV | 4 Cyl 2.0L, 6 Cyl 3.6L
View related parts
Chevrolet Blazer Heater & Air Conditioner Control Assembly User Interface *Red
Part Number: 84769064
$270.32 MSRP: $487.05
You Save: $216.73 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly, Htr & A/C User Interface *Red; Heater Control
- Replaces: 84452190, 84563756, 86819887
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2024 Chevrolet Blazer | RS 4 DOOR SUV | 4 Cyl 2.0L, 4 Cyl 2.5L, 6 Cyl 3.6L
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Chevrolet Blazer CONTROL ASM-HTR & A/C USER INTERFACE *BLUE CRUSH MT
Part Number: 84913949
$279.60 MSRP: $503.79
You Save: $224.19 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Heater Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 Chevrolet Blazer | RS 4 DOOR SUV | 4 Cyl 2.0L, 6 Cyl 3.6L
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Chevrolet Blazer CONTROL ASM-HTR & A/C USER INTERFACE *BLUE CRUSH MT
Part Number: 84913950
$279.71 MSRP: $503.97
You Save: $224.26 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Heater Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 Chevrolet Blazer | RS 4 DOOR SUV | 4 Cyl 2.0L, 6 Cyl 3.6L
View related parts
Chevrolet Blazer Heater And Air Conditioner Control Mode Knob
Part Number: 16237058
Product Specifications
- Other Name: Knob,Heater & A/C Control Mode
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2005 Chevrolet Blazer | 2 DOOR, 4 DOOR | 6 Cyl 4.3L
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Chevrolet Blazer Heater & Air Conditioner Control Assembly (W/R/Wdo Defg Sw)
Part Number: 19370212
$310.92 MSRP: $560.22
You Save: $249.30 (45%)
Product Specifications
- Other Name: Control Asm,Htr & A/C (W/R/Wdo Defg Sw); Dash Control Unit
- Replaces: 15756179
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2002 Chevrolet Blazer | 4 DOOR | 6 Cyl 4.3L
View related parts
Chevrolet Blazer Heater Control Mode Knob
Part Number: 16142172
Product Specifications
- Other Name: Knob,Heater Control Mode Lever
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1994 Chevrolet Blazer | 1/2 TON | 6 Cyl 4.3L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel

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Chevrolet Blazer A/C Switch

Each OEM Chevrolet Blazer A/C Switch we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet Blazer A/C Switch Parts Questions & Experts Answers

Heater & Air Conditioner Control Assembly (W/R/Wdo Defg Sw)
19370212
Q: How do you remove the heater/air conditioning control unit from Chevrolet Blazer,S10,GMC Jimmy and Sonoma?
A: To remove the A/C switch from a 1994-1997 vehicle, start by disconnecting the battery cable from the negative battery terminal. Then, remove the instrument panel bezel to access the mounting screws for the A/C switch. There are four screws holding the switch to the dash, and they may need to be loosened if they are linked to the radio panel. Once the screws are removed, pull the switch out just enough to disconnect the control panel light, blower speed switch, and vacuum lines (if applicable). To install the A/C switch, simply reverse the removal procedure. For a 1998 and later vehicle, start by removing the knee bolster trim plate attaching screws, as well as the instrument panel trim plate screws. Gently pry the trim plate away from the dash and disconnect all electrical harnesses. Remove the switch attaching screws and disconnect the vacuum and electrical connections. Installation is the reverse of removal.