How to replace the A/C Switch control module on Buick Rainier?

If you are replacing the HVAC Control Module, remove i/p accessory trim plate and security screws holding HVAC Control Module. Depress the three tabs on HVAC Control Module and remove it from i/p carefully. Displug the electrical connectors from the HVAC Control Module. For free operation, reconnect the power supply to the HVAC control module and lock the tabs into place. Next, reinstall the HVAC Control Module into the i/p and fasten it using the screws and tighten the screws to the torque specification of 1.9 n.m (17 lb in). Lastly, replace the i/p accessory trim plate.

OEM Buick Rainier A/C Switch

Air Conditioning Switch

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5 A/C Switches found

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Buick Rainier 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:
- 2004 Buick Rainier | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
View related parts
Buick Rainier 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:
- 2004-2007 Buick Rainier | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Rainier 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:
- 2005-2007 Buick Rainier | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Rainier 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:
- 2004-2007 Buick Rainier | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
View related parts
Buick Rainier 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:
- 2004-2007 Buick Rainier | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS

Buick Rainier A/C Switch

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Buick Rainier A/C Switch Parts Questions & Experts Answers

Heater Control
25945046
Q: How to replace the A/C Switch control module on Buick Rainier?
A: If you are replacing the HVAC Control Module, remove i/p accessory trim plate and security screws holding HVAC Control Module. Depress the three tabs on HVAC Control Module and remove it from i/p carefully. Displug the electrical connectors from the HVAC Control Module. For free operation, reconnect the power supply to the HVAC control module and lock the tabs into place. Next, reinstall the HVAC Control Module into the i/p and fasten it using the screws and tighten the screws to the torque specification of 1.9 n.m (17 lb in). Lastly, replace the i/p accessory trim plate.