How to replace the A/C Switch control module on 2004 Buick Regal?

Begin HVAC Control Module replacement by removing the front floor console followed by HVAC Control Module mounting screws and disconnecting the electrical connector before extracting the module. Anchor the HVAC Control Module with mounting screws by following the fastener notice which specifies a torque setting of 2 n.m (18 lb in). During installation connect all electrical connectors but keep the key in the off position for calibration accuracy. During calibration let the engine run for one minute at start-up before adjusting any hvac controls to maintain proper performance of the system.

OEM 2004 Buick Regal A/C Switch

Air Conditioning Switch

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2 A/C Switches found

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2004 Buick Regal Heater Control
Part Number: 19329969
Product Specifications
- Other Name: Control, Heater & A/C; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: 10435588, 9360494, 09360494
- Item Weight: 1.30 Pounds
- Item Dimensions: 13.5 x 4.4 x 4.2 inches
- Condition: New
- SKU: 19329969
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Buick Regal Submodels:
- GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
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2004 Buick Regal Heater Control
Part Number: 10308120
Product Specifications
- Other Name: Control Assembly-Heater & A/C; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, Heater And A/C Control
- Replaces: 09384734, 10447470, 9384734
- Item Weight: 1.20 Pounds
- Item Dimensions: 11.4 x 5.0 x 5.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10308120
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Buick Regal Submodels:
- GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS

2004 Buick Regal A/C Switch

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2004 Buick Regal Parts Questions & Experts Answers

Q: How to replace the A/C Switch control module on 2004 Buick Regal?
A: Begin HVAC Control Module replacement by removing the front floor console followed by HVAC Control Module mounting screws and disconnecting the electrical connector before extracting the module. Anchor the HVAC Control Module with mounting screws by following the fastener notice which specifies a torque setting of 2 n.m (18 lb in). During installation connect all electrical connectors but keep the key in the off position for calibration accuracy. During calibration let the engine run for one minute at start-up before adjusting any hvac controls to maintain proper performance of the system.