How to Remove and Install the Rear Auxiliary A/C Switch on 2003 Cadillac Escalade?

The right rear quarter trim panel needs removal before servicing the rear auxiliary control assembly. Drain the electrical connectors (3,4) off the auxiliary HVAC control module while removing its mounting screws. Download the auxiliary HVAC control module from its position within the auxiliary HVAC module . Locate the auxiliary HVAC control module on top of the auxiliary HVAC module then fasten it using screws with 1.6 N.m (14 lb in) torque following Service Precautions for fastener installation. Reattach the electrical connectors (3,4) from the auxiliary HVAC control module then reinstall the right rear quarter trim panel.

OEM 2003 Cadillac Escalade A/C Switch

Air Conditioning Switch

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8 A/C Switches found

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2003 Cadillac Escalade Heater Control
Part Number: 15112018
$277.03
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Product Specifications
- Other Name: Control, Auxiliary Heater & A/C; Climate Control Module; Blower Control Switch; Heater & A/C Control
- Item Weight: 0.70 Pounds
- Item Dimensions: 10.3 x 6.5 x 3.4 inches
- Condition: New
- SKU: 15112018
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2003 Cadillac Escalade Submodels:
- Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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2003 Cadillac Escalade Heater Control
Part Number: 15763059
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module; Blower Control Switch; Dash Control Unit
- Item Weight: 1.30 Pounds
- Item Dimensions: 11.6 x 4.8 x 4.8 inches
- Condition: New
- SKU: 15763059
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2003 Cadillac Escalade Submodels:
- Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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2003 Cadillac Escalade Heater Control
Part Number: 15112019
Product Specifications
- Other Name: Control, Air Conditioner Instrument Panel; Climate Control Module; Heater & A/C Control; Control, A/C Instrument Panel; Control, Heater Control
- Item Weight: 2.20 Pounds
- Item Dimensions: 9.1 x 3.4 x 3.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15112019
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2003 Cadillac Escalade Submodels:
- Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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2003 Cadillac Escalade Heater Control
Part Number: 21997352
Product Specifications
- Other Name: Control, Air Conditioner Instrument Panel; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel; Control, Rear Window Defogger
- Position: Rear
- Replaces: 15189436, 15136889, 15107753
- Item Weight: 3.30 Pounds
- Item Dimensions: 11.4 x 5.1 x 5.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 21997352
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Cadillac Escalade Submodels:
- Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
View related parts
2003 Cadillac Escalade Heater Control
Part Number: 15112020
Product Specifications
- Other Name: Control, Air Conditioner Instrument Panel; Climate Control Module; Heater & A/C Control; Control, A/C Instrument Panel; Control, Heater Control
- Item Weight: 0.70 Pounds
- Item Dimensions: 8.9 x 3.3 x 3.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15112020
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Cadillac Escalade Submodels:
- Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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2003 Cadillac Escalade Heater Control
Part Number: 19370209
$169.27 MSRP: $266.33
You Save: $97.06 (37%)
Product Specifications
- Other Name: Control, Air Conditioner Instrument Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: 10367042, 15107730, 15185639, 15137655, 15105215
- Item Weight: 1.20 Pounds
- Item Dimensions: 11.8 x 4.9 x 4.9 inches
- Condition: New
- SKU: 19370209
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Cadillac Escalade Submodels:
- Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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2003 Cadillac Escalade Radio Control
Part Number: 15850811
Product Specifications
- Other Name: Control, Heater & A/C (W/Amplitude Modulation/Frequency Modulation Stereo Radio); Control, A/C Instrument Panel; Control, Heater Control; Control, Radio Receiver
- Replaces: 10358083, 15204784, 15767147
- Item Weight: 1.00 Pounds
- Item Dimensions: 6.7 x 4.3 x 4.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15850811
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Cadillac Escalade Submodels:
- Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
View related parts
2003 Cadillac Escalade Heater Control
Part Number: 21997350
$167.91 MSRP: $297.42
You Save: $129.51 (44%)
Product Specifications
- Other Name: Control, Heater & A/C; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, A/C Instrument Panel
- Replaces: 15189435, 15136888, 15107752
- Item Weight: 1.30 Pounds
- Item Dimensions: 11.4 x 4.9 x 4.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 21997350
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Cadillac Escalade Submodels:
- Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS

2003 Cadillac Escalade A/C Switch

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2003 Cadillac Escalade Parts Questions & Experts Answers

Q: How to Remove and Install the Rear Auxiliary A/C Switch on 2003 Cadillac Escalade?
A: The right rear quarter trim panel needs removal before servicing the rear auxiliary control assembly. Drain the electrical connectors (3,4) off the auxiliary HVAC control module while removing its mounting screws. Download the auxiliary HVAC control module from its position within the auxiliary HVAC module . Locate the auxiliary HVAC control module on top of the auxiliary HVAC module then fasten it using screws with 1.6 N.m (14 lb in) torque following Service Precautions for fastener installation. Reattach the electrical connectors (3,4) from the auxiliary HVAC control module then reinstall the right rear quarter trim panel.

Related 2003 Cadillac Escalade Parts

Alternate Year Models

2002 Cadillac Escalade A/C Switch 2004 Cadillac Escalade A/C Switch