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Home >> Dodge and Ram >> 2002 >> Durango Base, 5.9 Z, 4WD, Part Time >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - Gasoline >> Computerized Engine Controls >> Input Devices >> Brake Switch
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Brake Switch

This switch may also be referred to as a brakelight switch. See Fig 1 . Powertrain Control Module (PCM) uses this switch input to maintain idle speed at a preprogrammed RPM when brakes are applied. If PCM receives an input signal from brake switch when speed control system is on, PCM will disengage speed control system.

Fig 1: Locating Brake Switch
G00020267Courtesy of DAIMLERCHRYSLER CORPORATION