How to replace the auxiliary HVAC Control Module on 2003 GMC Envoy?

The top section of the hvac control-auxiliary must be gently pried out with a flat-bladed tool before beginning the auxiliary heater and air conditioning control module swap. After loosening the hvac control-auxiliary from its position in the Center Console or seat disconnect its electrical connector. Installation begins with hvac control-auxiliary electrical connector connection then continues with bottom-first placement of hvac control-auxiliary into console position. Securely position the hvac control-auxiliary by pushing the top end of the floor console or seat.

OEM 2003 GMC Envoy HVAC Control Module

Heater Control Assembly

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2 HVAC Control Modules found

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2003 GMC Envoy Control Module
Part Number: 88892976
Product Specifications
- Other Name: Module, Blower Motor Control; Module; Module, A/C Electric Temperature And Motor Control
- Item Weight: 0.30 Pounds
- Item Dimensions: 3.1 x 2.0 x 2.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 88892976
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 GMC Envoy Submodels:
- Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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2003 GMC Envoy Control Module
Part Number: 52494707
Product Specifications
- Other Name: Module, Blower Motor Control; Module, A/C Electric Temperature And Motor Control
- Item Weight: 0.90 Pounds
- Item Dimensions: 4.9 x 5.0 x 3.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 52494707
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 GMC Envoy Submodels:
- SLE, SLT | 6 Cyl 4.2 L GAS

2003 GMC Envoy HVAC Control Module

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2003 GMC Envoy Parts Questions & Experts Answers

Q: How to replace the auxiliary HVAC Control Module on 2003 GMC Envoy?
A: The top section of the hvac control-auxiliary must be gently pried out with a flat-bladed tool before beginning the auxiliary heater and air conditioning control module swap. After loosening the hvac control-auxiliary from its position in the Center Console or seat disconnect its electrical connector. Installation begins with hvac control-auxiliary electrical connector connection then continues with bottom-first placement of hvac control-auxiliary into console position. Securely position the hvac control-auxiliary by pushing the top end of the floor console or seat.