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Wiper Motor Circuit Test

Disconnect wiper motor connector. Check continuity and voltage between chassis ground and specified terminals of wiper motor wiring harness connector. See WIPER MOTOR CIRCUITS TEST TABLE . See Fig 1. If continuity or voltage is not as specified, repair faulty circuit or component.

WIPER MOTOR CIRCUITS TEST

Terminal No. (Wire Color) & Condition Voltage
1 (White/Black) (1)
2 (Red/Blue)
Ignition On, Wiper Except High Zero
Ignition On, Wiper High Battery
3 (Blue/Red)
Ignition On, Wiper Except Low Zero
Ignition On, Wiper Low Battery
6 (Blue)
Ignition Off Or ACC Zero
Ignition On Battery
(1) Continuity should exist.
Fig 1: Identifying Wiper Motor Wiring Harness Connector Terminals
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