K 1500 Suburban 4WD V8-5.7L VIN R (1997)
Heater and A/C Control Module
Center of I/P at Heater Control
Rear Auxiliary Heater Control Switch
Rear of Overhead Console, in Headliner
GMC Workshop Service and Repair Manuals
Control Assembly, HVAC|Diagrams >
< Auxiliary Heater and A/C Control|Page 11703
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