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Home >> Jeep >> 1993 >> Grand Cherokee Wagoneer, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - 5.2L >> Computerized Engine Controls >> Input Devices >> Speed Control Switch
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Speed Control Switch

Speed control switch provides PCM with 3 separate inputs. ON/OFF informs PCM that speed control system has been activated. SET/COAST informs PCM that set vehicle speed has been selected, or if depressed will decelerate until switch is released. RESUME/ACCEL informs PCM that a previously set speed has been selected or, if depressed, will increase speed until released. PCM uses these inputs to control speed control servo.

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