Possible Causes
WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
INTERMITTENT WIRING AND CONNECTORS
FRONT WIPER INTERMITTENT MODE SENSE CIRCUIT SHORT TO GROUND
FUSED IGNITION SWITCH OUTPUT SHORT TO GROUND
JUNCTION BLOCK SHORT TO GROUND
FRONT WIPER SWITCH SHORT TO GROUND
CENTRAL TIMER MODULE