I'm wondering if there is a start to finish step-by-step guide, post or other doc on late C3 Corvette AC systems? Is there a suggested reference guide for wiring, diagrams, how to test, youtube series etc (locate an original shop manual or Haynes, etc) I'd love to take it into a shop but I just don't have the budget to turn it over to someone.. 1977-1982 Corvette Air Condition Control Repair & Installation: The repair is very simple. Start by contacting Zip Corvette Parts, 8067 Fast Lane, Mechanicsville, VA 23111, 1- (800)-962-9632. They have new air conditioning control head switches in stock along with new control dials.

[DIAGRAM] 78 Vette Ac System Diagram
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C3 General - 78 AC wiring diagram - Hello, would anyone have a copy of the AC wiring diagram for a 78 they would share? Thanks in advance!. General Motors changed the A/C system numerous times throughout the C3 generation. So, let's begin with a diagram of the air condition system you'd find in a model year 1968-1972 Corvette. The cold air that blows through your vents is generated by an A/C system consisting of several key components which are shown in the diagram above.

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