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Home >> Jeep >> 2014 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Control Module (BCM) - DTCS B182C-12 To U1433-24 >> Diagnosis And Testing >> B2303-11-Wiper Park Switch Input - Circuit Short To Ground >> Theory Of Operation

Theory Of Operation

The Body Control Module (BCM) provides a reference voltage on the wiper park switch sense circuit through a pull-up resistor that is connected to battery voltage. The Wiper Park Switch switches the signal circuit to ground when the wiper motor is in the park position.

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