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Windshield Washer Won't Shut Off

  1. With ignition on, remove connector from terminals No. 4, 5 and 6. Connect test light to connector terminals No. 4 and 5. If test light is on, check for grounded wire between washer connector and wiper switch or a defective wiper switch. If test light is off, go to test step 2).
  2. Remove washer pump cover. Reconnect wiring to wiper terminals to re-establish condition, and check position of armature leg. If armature leg is in proper position, check for dog spring engagement of ratchet gear teeth, wear on ratchet gear spring tooth and ratchet pawl spring missing or not properly connected. Refer to Fig 1 .
  3. If ratchet pawl is not in proper position, check for loose pole piece on washer relay and burr on end of armature leg.
Fig 1: Inside Of Washer Pump
G5555Courtesy of GENERAL MOTORS CORP.
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