buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Relays and Modules - Instrument Panel > < A/C Module/Mode Valve Actuator - Manual Update|Page 70
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Control Module HVAC: Locations

Component Locations

The A/C compressor is controlled by the Electronic Control Module (ECM). The ECM is located in the RH front of the engine compartment.

Relays and Modules - Instrument Panel > < A/C Module/Mode Valve Actuator - Manual Update|Page 70