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Problem Fixed: windshield washer won't shut off 850 1994

posted by  someone claiming to be Geoff on  Fri Mar 25 05:18 CST 2005 [RELATED]

I had to purchase the wiring diagram from volvo. Once I got it, it was clear to see that there are relays built into the headlamp washer motors. Studying the diagram, if the NC and the NO contacts of the relay short out, the washer will be on continuously. I disconnected the driver's side headlamp wiper, and the problem is gone. The connectors for the headlamp wipers are hidden under the bumper, just in front of the radiator - if you look near the horns at the bumper cover, you can see the clips that hold the connectors in place.






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