Air Conditioning Four-Season System Vacuum Diagram (C-K Models) For 1979 GMC Light Duty Truck (Series 10-35)

The following schematic is the air conditioning Four-Season system vacuum diagram (C-K Models) for the 1979 GMC Light Duty Truck (Series 10-35). This is a very clear vacuum diagram, you can see all components and their connections. Here are some components inside: A/C control, vacuum tank, plenum valve, side shroud, etc. (Click image to enlarge)


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