SERVICE MANUAL TROUBLE SHOOTING (ELECTRIC) PROBLEM PROBABLE CAUSE SOLUTION Wiper will not operate. 1. No voltage to wiper motor 1. Check for open circuit or blown fuse 2. Binds in wiper arm, 2. Eliminate binds. shafts or linkage. 3. Link rod loose from 3. Secure rod end clip. drive lever. 4. Faulty switch. 4. Replace switch. 5. Faulty motor assembly. 5. Replace motor. Damaged gear teeth. 1. Wiper blades striking 1. Adjust wiper arm park windshield molding position. during operation. 2. Binding in connecting 2. Correct linkage. links. 3. Operator stopping blades 3. Caution operator. manually when wiper is operating. 4. Drive arm not held when 4. Hold drive arm in vise or by drive arm nut is tightened hand when tightening nut Wiper will not shut off. Faulty switch. Replace switch. Wiper continually shutting off. 1. Binding condition in wiper arm shafts, 1. Eliminate binds. connecting links or drive gear and shaft. 2. Faulty harness connections. 2. Correct wiring harness connectors and terminals. 3. Faulty motor assembly. 3. Replace motor. Wiper operates at one 1. Faulty switch. 1. Replace switch. speed only. 2. Faulty connection. 2. Correct wiring. Wiper motor speed excessive Faulty motor assembly. Replace motor. under light load but stalls under heavy load. Wiper motor noisy. Faulty motor assembly. Replace motor. CTS-4061 - Chapter I PRINTED IN UNITED STATES OF AMERICA Page 7