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Home >> Jeep >> 2005 >> Wrangler X, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 256 (Body Diagnostic Procedures) >> System Description And Functional Operation >> Front Control Module >> Relay Controls >> Wiper On/Off Relay

Wiper On/Off Relay

WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The wiper switch is a direct input to the instrument cluster. The instrument cluster sends a PCI bus request to the FCM to actuate the wiper on/off relay. The wiper on/off relay is then actuated through the low side control circuit. This relay switches power to the wiper high/low relay. This circuit is electronically controlled and continuously monitored for malfunctions.

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