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Testing Procedure

For test set connections and testing procedure, and programmer component replacement, refer to "General Motors Automatic Temperature Control Testing" in this section  .

Fig 1: Vacuum Schematic - Catalina, Grandville, Bonneville
G09311438Courtesy of GENERAL MOTORS COMPANY
Fig 2: Wiring Diagram - Catalina, Grandville, Bonneville
G09311439Courtesy of GENERAL MOTORS COMPANY
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