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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Engine Controls - Theory & Operation - 3.3L Gasoline) >> Computerized Engine Controls >> Input Devices >> A/C Switch

A/C Switch

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, and 1995 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.

Switch signals PCM that A/C has been selected. PCM then activates A/C compressor clutch relay and maintains idle speed at a scheduled RPM. This is done through control of Idle Air Control (IAC) motor.

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