Vacuum Transfer Switch

Located in outside recirculating air door-housing. Switch positions door in one of three positions: "OFF", 20% outside air, or 100% outside air and accomplishes such positioning with the use of a spring loaded vacuum actuator.

Fig 1: Vacuum Transfer Switch

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Fig 2: Vacuum Transfer Switch Diagnosis

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Fig 3: Vacuum Transfer Switch Diagnosis (Contd.)

Courtesy of CHRYSLER GROUP, LLC