How to replace the rear auxiliary A/C Switch control assembly on GMC Yukon?

The first step when replacing the A/C switch for the rear auxiliary requires separation of the front portion of the overhead console from the headliner. Accomplish the operation by driving the assembly toward the rear while pulling it downward to reveal the retaining tabs. Use a pair of hands to disassemble the auxiliary A/C switch through the rear side tabs until it pushes out from the back. Disconnect the electrical connector. Mix the following steps for installation: connect the electrical connector first then insert the auxiliary A/C switch into the console followed by reinstalling the overhead console onto the headliner.

How to replace the A/C Switch control module on GMC Sierra 1500?

To replace HVAC Control Module, from the vehicle initially you will remove instrument panel accessory trim plate and screws that secure the HVAC Control Module. Press out the control assembly retaining tabs to release the HVAC Control Module from the instrument panel, followed by disconnecting the electrical connectors. For installation, attach the electrical connectors to the HVAC Control Module and have the key set at the off position to ensure proper calibration. Next, fit the HVAC Control Module back in the instrument panel with the retaining tabs engaging. Then, attach it using screws and tighten to 1.9 n.m (17 lb in). Finally reinstall the instrument panel accessory trim plate, and run the vehicle for one minute without touching the controls on the HVAC Control Module during calibration calib to prevent improper operation of hvac.

OEM GMC A/C Switch

Air Conditioning Switch

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292 A/C Switches found

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GMC Heater Control, Black Carbon Part Number: 84258729
$130.07 MSRP: $267.30
You Save: $137.23 (52%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C User Interface *Black Carbon; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel
- Replaces: 23168157, 84131598, 23157591, 23176290, 23486614, 84258726, 84164476
Fits the following GMC Models:
- Sierra 1500 | 2017-2018 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
- Sierra 1500 Limited | 2019 | Base, SLE | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Sierra 2500 HD | 2018-2019 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2018-2019 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Heater Control Part Number: 84563969
$130.63 MSRP: $268.44
You Save: $137.81 (52%)
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Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module
- Replaces: 15773675, 20765839, 25857579, 23283463
Fits the following GMC Models:
- Savana 1500 | 2008-2014 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Savana 2500 | 2008-2025 | Base, LS, LT | 4 Cyl 2.8 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
- Savana 3500 | 2008-2025 | Base, LS, LT | 4 Cyl 2.8 L DIESEL, 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
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GMC Heater Control, Black; Red Part Number: 23486616
$157.06 MSRP: $322.76
You Save: $165.70 (52%)
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Product Specifications
- Other Name: Control Assembly-Heater & A/C (W/Avf) *Black W/Red; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel
- Replaces: 23176289, 84557922
Fits the following GMC Models:
- Sierra 1500 | 2014 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 6.2 L GAS
- Sierra 2500 HD | 2015-2018 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2015-2018 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Heater Control, Black Carbon Part Number: 84199205
$183.04 MSRP: $331.28
You Save: $148.24 (45%)
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Product Specifications
- Other Name: Control Assembly-Heater & A/C User Interface *Black Carbon; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel
- Replaces: 23176283, 23486621, 84164475
Fits the following GMC Models:
- Sierra 1500 | 2017-2018 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
- Sierra 1500 Limited | 2019 | Base, SLE | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Sierra 2500 HD | 2017-2019 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2017-2019 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Heater Control Part Number: 22807247
$191.68 MSRP: $393.89
You Save: $202.21 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control, Air Conditioner Instrument Panel; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel
- Replaces: 20887816
Fits the following GMC Models:
- Sierra 1500 | 2010-2013 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.2 L FLEX
- Sierra 2500 HD | 2010-2013 | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2010-2013 | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Control Module Part Number: 15109353
$203.09 MSRP: $417.35
You Save: $214.26 (52%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module
Fits the following GMC Models:
- Yukon | 2007-2014 | Denali, Denali Hybrid, Hybrid, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Yukon XL 1500 | 2007-2014 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Yukon XL 2500 | 2007-2013 | SLE, SLT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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GMC Heater Control Part Number: 20787117
$208.53 MSRP: $428.52
You Save: $219.99 (52%)
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Product Specifications
- Other Name: Control, Air Conditioner Instrument Panel; Climate Control Module; Blower Control Switch; Control, A/C Instrument Panel
- Replaces: 15872136, 25796478, 25901391, 25971211
Fits the following GMC Models:
- Sierra 1500 | 2007-2009 | Denali, Hybrid, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Sierra 2500 HD | 2007-2009 | SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2007-2009 | SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Heater Control, Rear Part Number: 22879021
$229.86 MSRP: $472.36
You Save: $242.50 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C (W/Rear Window Defogger Switch); Climate Control Module; Blower Control Switch
- Position: Rear
- Replaces: 20887808, 20986698, 20944693, 22807249
Fits the following GMC Models:
- Yukon | 2010-2014 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 6.2 L FLEX
- Yukon XL 1500 | 2010-2014 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 6.2 L FLEX
- Yukon XL 2500 | 2010-2013 | SLE, SLT | 8 Cyl 6.0 L FLEX
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GMC Dash Control Unit Part Number: 20787113
$238.79 MSRP: $490.70
You Save: $251.91 (52%)
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Product Specifications
- Other Name: Control Assembly-Heater & A/C; Climate Control Module; Control, A/C Instrument Panel
- Replaces: 15238550, 25796476, 25901387
Fits the following GMC Models:
- Sierra 1500 | 2007-2010 | Denali, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
- Sierra 2500 HD | 2007-2008 | SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2007-2008 | SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Heater Control, Rear Part Number: 20787114
$250.78 MSRP: $515.34
You Save: $264.56 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C (W/Rear Window Defogger; Climate Control Module; Blower Control Switch
- Position: Rear
- Replaces: 15238552, 25796477, 25901388
Fits the following GMC Models:
- Sierra 1500 | 2007-2009 | Denali, Hybrid, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Sierra 2500 HD | 2007-2009 | SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2007-2009 | SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Yukon | 2008-2009 | Denali, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
- Yukon XL 1500 | 2008-2009 | SLE, SLT | 8 Cyl 6.0 L GAS
- Yukon XL 2500 | 2008-2009 | SLE, SLT | 8 Cyl 6.0 L GAS
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GMC Heater Control, Rear Part Number: 20787116
$293.82 MSRP: $603.80
You Save: $309.98 (52%)
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Product Specifications
- Other Name: Control Assembly-Heater & A/C (W/Rear Window Defogger; Climate Control Module; Blower Control Switch
- Position: Rear
- Replaces: 15942032, 25901393, 25802506, 25942135, 25971210
Fits the following GMC Models:
- Yukon | 2007-2009 | Denali, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Yukon XL 1500 | 2007-2009 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Yukon XL 2500 | 2007-2009 | SLE, SLT | 8 Cyl 6.0 L GAS
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GMC Control Module Part Number: 13506228
$104.46 MSRP: $189.06
You Save: $84.60 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote; Controller; Control, A/C Instrument Panel
- Replaces: 13587754, 13594963
Fits the following GMC Models:
- Sierra 1500 | 2016-2018 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
- Sierra 2500 HD | 2015-2016 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2015-2016 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Yukon | 2016-2017 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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GMC Control Module Part Number: 84335792
$103.41 MSRP: $194.20
You Save: $90.79 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote
- Replaces: 13595246, 84097840
Fits the following GMC Models:
- Yukon | 2018-2020 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Yukon XL | 2017-2020 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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GMC Control Module Part Number: 84097840
$103.41 MSRP: $194.20
You Save: $90.79 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote; Climate Control Module
- Replaced by: 84335792
Fits the following GMC Models:
- Yukon XL | 2017 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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GMC Heater Control Part Number: 13506229
$104.07 MSRP: $210.18
You Save: $106.11 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote; Climate Control Module
- Replaces: 13598178, 13587755, 13594973, 13590849, 13594964
Fits the following GMC Models:
- Sierra 1500 | 2016 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
- Sierra 2500 HD | 2015-2016 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2015-2016 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Combination Switch Part Number: 23467328
$181.19 MSRP: $362.81
You Save: $181.62 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Assembly, Auxiliary Heater & A/C; Climate Control Module
- Replaced by: 86527166
Fits the following GMC Models:
- Acadia | 2017-2023 | AT4, Denali, SL, SLE, SLT | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L GAS
- Yukon | 2015-2020 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Yukon XL | 2015-2020 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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GMC Heater Control, Black Carbon Part Number: 84258727
$301.95 MSRP: $604.66
You Save: $302.71 (51%)
ADD TO CART
Product Specifications
- Other Name: Control Assembly-Heater & A/C User Interface *Black Carbon; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel
- Replaces: 23251607, 23449657, 84164477, 84075369, 84258728
Fits the following GMC Models:
- Yukon | 2017-2020 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Yukon XL | 2016-2020 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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GMC Heater Control Part Number: 15109352
$146.00 MSRP: $274.18
You Save: $128.18 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module
Fits the following GMC Models:
- Acadia | 2007-2016 | Denali, SL, SLE, SLT | 6 Cyl 3.6 L GAS
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GMC Heater Control Part Number: 15858580
Product Specifications
- Other Name: Control Assembly, Heater; Climate Control Module; Blower Control Switch; Dash Unit Control; Control, Heater Control
- Replaces: 09375805, 25753625, 9375805
Fits the following GMC Models:
- Savana 1500 | 2001-2007 | Base, LS, LT, SLE, SLT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.7 L GAS
- Savana 2500 | 2001-2007 | Base, LS, LT, SLE, SLT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 6.6 L DIESEL
- Savana 3500 | 2001-2007 | Base, LS, LT, SLE, SLT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
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GMC Control Module Part Number: 13591692
$126.13 MSRP: $226.25
You Save: $100.12 (45%)
Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote; Controller; Control, A/C Instrument Panel
- Replaces: 13590947
Fits the following GMC Models:
- Sierra 1500 | 2014-2016 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS

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GMC A/C Switch

Choose OEM A/C Switch, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with GMC's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM GMC A/C Switch. You can shop at highly competitive prices and protect your budget. All our genuine GMC parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

GMC A/C Switch allows drivers to control the cabin temperature immediately and maintain consistent comfort in all seasons. GMC develops trucks and SUVs that have hard frames, powerful engines, and electronics that continue to make hauling easy and safe. The badge, cut in 1901 and fastened to General Motors shortly after, developed a reputation after trying its rigs over rough logging roads and across deserts, when it realized that strength is far more important than fancy slogans or gimmicky trim lines. The lineup today takes that grit along on boxed steel frames, multi-link rear suspension, and quiet triple-sealed cabins, intelligent driver assist which allows towing a boat or fifth-wheel to feel less like a chore and more like a normal drive. Owners like simple controls, high payload capacities, and interiors that shake off mud and yet damp wind noises on the highway. A/C connector to climate control stack, cabin temperature indicator readings, on-off of compressor contactor, and speed of blower to have the air exited cold in summer with the sun glaring at the windshield or wet in winter with sleet striking the hood. The device is also compatible with other modules in the GMC lineup in any GMC model year, so a single confidence quick click can respond instantly without rewiring or software adjustments, a salvation to do-it-yourself owners who require fast fixes and not months of downtime. Since the A/C Switch has robust housings and long-lasting contacts, frequent switches in dust, sweat, or snow environments will not wear out its functionality.

GMC A/C Switch Parts and Q&A

Heater Control
15832313
Q:
How to replace the rear auxiliary A/C Switch control assembly on GMC Yukon?
A:
The first step when replacing the A/C switch for the rear auxiliary requires separation of the front portion of the overhead console from the headliner. Accomplish the operation by driving the assembly toward the rear while pulling it downward to reveal the retaining tabs. Use a pair of hands to disassemble the auxiliary A/C switch through the rear side tabs until it pushes out from the back. Disconnect the electrical connector. Mix the following steps for installation: connect the electrical connector first then insert the auxiliary A/C switch into the console followed by reinstalling the overhead console onto the headliner.
Heater Control, Rear
15832316
Q:
How to replace the A/C Switch control module on GMC Sierra 1500?
A:
To replace HVAC Control Module, from the vehicle initially you will remove instrument panel accessory trim plate and screws that secure the HVAC Control Module. Press out the control assembly retaining tabs to release the HVAC Control Module from the instrument panel, followed by disconnecting the electrical connectors. For installation, attach the electrical connectors to the HVAC Control Module and have the key set at the off position to ensure proper calibration. Next, fit the HVAC Control Module back in the instrument panel with the retaining tabs engaging. Then, attach it using screws and tighten to 1.9 n.m (17 lb in). Finally reinstall the instrument panel accessory trim plate, and run the vehicle for one minute without touching the controls on the HVAC Control Module during calibration calib to prevent improper operation of hvac.