GMC Workshop Service and Repair Manuals > K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989) > Heating and Air Conditioning | Control Assembly, HVAC | Component Information | Testing and Inspection | With A/C

With A/C|Page 6733 > < A/T - 4L60 Slipping or No 3rd/4th Gear|Page 6730

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Control Assembly: Testing and Inspection
With A/C

Display Does Not Dim

None Of The Air Valves Operate Correctly

Heating and Air Conditioning
Control Assembly, HVAC / Component Information
Testing and Inspection
With A/C

With A/C|Page 6733 > < A/T - 4L60 Slipping or No 3rd/4th Gear|Page 6730