Motor Runs With Switch Off
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1990 Dodge Dynasty, 1990 Dodge Daytona, 1990 Chrysler New Yorker Fifth Avenue, 1990 Chrysler New Yorker, and 1990 Chrysler LeBaron. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect motor wiring harness. Connect jumper wire from motor terminal No. 1 to terminal No. 3. See Fig 1 . Connect second jumper wire from motor terminal No. 2 to battery. If motor runs to PARK position and stops, replace wiper switch. If motor continues to run, replace motor.