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Old 11-23-2011, 09:48 PM
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wiper washer stuck on

The windshield washer on my 75 chevy truck seems to have a mind of its own. Ever since last week when I turned the wipers on the washer continued to pump while the wipers were on. I pushed the button in several times and even took the switch out and took it apart. Cleaned all the contacts and made sure nothing was sticking. Put it back in and it still wants to pump when the washers are on. Anyone have any ideas, I did notice that when the wipers are on and its trying to pump washer fluid that if I push the knob in that should turn the washer on that it makes a clicking noise at the pump? Dunno if its the switch, the motor, or the wiring?

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Old 11-24-2011, 09:05 AM
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Something is grounded.

The switch is just 3 different ground leads.
High speed
Low speed
Washer

The power all comes from under the hood and the wiper and washer have power anytime the ignition is "ON".

Could be a stuck coil in the washer assy
could be a shorted wire between the switch and the washer pump

I would lean to a stuck coil in the washer pump assy.

FYI---on the wiper motor, the wire that is daisy chained to two different connectors is the power wire
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Old 11-24-2011, 11:24 AM
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Ok I will pull the motor and check for the coil, thanks for the help.
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