Section 01-16: Wiper and Washer Systems
1993 Mustang Workshop Manual
DIAGNOSIS AND TESTING

Wiper Switch Test

  1. Perform Wiper Park Test as outlined. If wipers fail to park, replace wiper motor.
  1. Unplug wiper control switch and turn ignition switch to RUN. If wipers stop, replace wiper control switch, if wipers continue to run, check for malfunctioning governor. Service as required.