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Home >> Chrysler >> 2005 >> 300 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 421 (Body Diagnostic Procedures - Introduction) >> System Description And Functional Operation >> Front Control Module >> Relay Controls >> Front Wiper On Relay

Front Wiper On Relay

WARNING: This page is about a different car, the 2004 Dodge Grand Caravan, 2004 Dodge Caravan, and 2004 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.

The front wiper switch is a direct input to the BCM. The BCM sends a PCI Bus message to the FCM informing it to turn on the front wiper on relay. The front wiper on relay is then powered through low side control of the FCM. This circuit is electronically controlled and continuously monitored for malfunctions.

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