WIPERS INOPERATIVE OR ERRATIC IN INTERMITTENT OR LOW
Run wipers in HIGH position. If wipers do not hesitate, go to step 2). If wipers hesitate when they pass through park position, check interval governor ground under mounting screw. If ground is okay, interval governor is defective; service as required. If ground is not secure, tighten interval governor mounting screws.
Unplug wiper motor connector. Set wiper switch to LOW position. Check circuit No. 58 (White wire) for battery voltage. If battery voltage exists, check for malfunctioning wiper motor. Perform WIPER MOTOR CURRENT DRAW TEST and service as required.
If voltage is not present, check for the following conditions, and service or replace as necessary.
Open connector
Malfunctioning wiper switch
Malfunctioning interval governor
Open in circuit No. 58 (White wire)
INTERVAL GOVERNOR
Removal & Installation
Interval governor is located under left center of instrument panel. Disconnect negative battery cable. Remove steering column shroud. Unplug interval governor connector from wiper control switch. Unplug interval governor connector from instrument panel wiring harness. Remove mounting screws and interval governor. See Fig. 7 . To install, reverse removal procedure.
Dec 18, 2008 at 6:42 AM
