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Home >> Chevrolet >> 1976 >> Chevette Base, Automatic Trans, Trans Mfr CD 200/M29 >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> Windshield Wipers - Modified Pulse System >> Wiper System Testing >> Wiper Will Not Go "Off" And Washer Pumps Continually

Wiper Will Not Go "Off" And Washer Pumps Continually

  1. Remove washer pump cover and reconnect wiring. With dash switch "OFF" and ignition "ON", check position of washer relay armature leg while unit is operating. If leg is engaging slotted area on ratchet gear, see step 2)  . If leg is engaging ratchet gear ramp, check that ratchet gear dog spring engages gear teeth. Also check mounting screw and tighten or replace if necessary.
  2. Push wash button and check if relay armature leg drops down on ratchet gear ramp. If leg drops back into slot, check for loose coil on pole piece or missing relay armature spring. If leg drops down on ramp and pump completes wash cycle and then shuts off, check for loose coil on pole piece, missing relay armature spring or burr on end of armature leg. File off burr if present.
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