C 3500 Truck 2WD V8-454 7.4L VIN J SFI (1999)
Air Inlet/Outlet Actuator: Locations
Heating and Ventilation
Mode Door Motor
Front HVAC Assembly
Under the IP, on the left side of the HVAC plenum
Temperature Door Motor
GMC Workshop Service and Repair Manuals
Heating and Ventilation|Page 10243 >
< Heating, A/C - Passenger Side of Vehicle Colder/Warmer|Page 10240
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