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Join Date: Dec 2004
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Question Challenging Electrical Issue - windshield washer

This is bizarre.

My son's 1985.1 944.

New windshield washer pump does not work. I applied power directly to the pump and it works like a charm. I put my multi-meter on the pump wires in place of the pump and can see voltage when the wiper switch on the steering column is pulled. Yet when I attach those same wires to the pump and pull the lever, ... nothing.

Ideas?
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Glenn
Daily Driver - '78 911SC RoW, Track - '85.1 944
Wife's - '00 740iL (Sport),
Support vehicle - '00 Suburban 2500 4x4
Son's - '85.1 944
Old 01-01-2018, 05:11 PM
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The power required to work the pump is quite a bit more than what is needed to make the meter work. Look for a bad or corroded connection or a bad or corroded ground.
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www.944ecology.com
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Old 01-02-2018, 07:45 AM
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Quote:
Originally Posted by 944 Ecology View Post
The power required to work the pump is quite a bit more than what is needed to make the meter work. Look for a bad or corroded connection or a bad or corroded ground.
And that's what it was. Just needed to clean the contacts at the steering column switch.

Thanks
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Glenn
Daily Driver - '78 911SC RoW, Track - '85.1 944
Wife's - '00 740iL (Sport),
Support vehicle - '00 Suburban 2500 4x4
Son's - '85.1 944
Old 01-06-2018, 07:52 AM
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