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Old 12-04-2010, 09:37 AM   #1 (permalink)
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Question 02 VDC Front Window washer not working

The front windshield washer was not working. Replaced the pump. Still no go. Changed the connector from rear to front. Pump works great. Is this a wiring problem or do I replace the multi-function control lever inside the car? All the other functions work fine. So basically I am using the rear sprayer control on the stock to spray the front window.

Hope that's not too confusing. Let me know.
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Old 12-04-2010, 10:46 AM   #2 (permalink)
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I can't remember if they have separate fuses or not, but have you checked the fuse (if it is separate)?
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Old 12-04-2010, 05:03 PM   #3 (permalink)
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Not confusing at all.

There's separate fuses in the in-cabin fuse box for the front and rear systems. Each fuse powers both the respective washer motor and wiper motor. So if the front wipers and rear wipers work, both fuses are good.

The power for the front washer essentially goes from the fuse to one pin of the washer motor connector, through the motor, and from the other pin to one side of the front washer switch in the combination switch, and from the other side to ground. Based on this, with the ignition in the ACC position wipers should work), there should be 12 V (to ground) at one of the two pins for the front washer motor. (Same for the rear washer motor.)

Also, with the ignition Off, and with an Ohmmeter, it should be possible to check the continuity through the rest of the circuit. Once the front washer connector pin with the 12 V has been identified, check the resistance between the other pin and ground. With the washer switch Off, it should be very high. With the washer switch turned ON (might have to have someone help at this point), it should be low, not more than a few Ohms. (This won't distinguish between a problem in the switch and a broken wire somewhere, but it's a start.) If the resistance when the switch is ON is unstable, or changes each time the switch is turned on, there's probably a dirty contact in the switch.

Incidentally, the rear washer systems works the same way.

Hopefully you have a multimeter or can borrow one.

Do let us know what you find.
Attached Files
File Type: pdf Wiper and Washer (Front).pdf (56.2 KB, 236 views)

Last edited by plain OM; 12-07-2010 at 08:54 AM. Reason: add diagram
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Old 03-06-2011, 04:29 PM   #4 (permalink)
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Sorry guys ... weather has sucked since Xmas, so haven't tried anything yet. Will advise once I give it a try. Thanks for the decent responses !!! Cheers, Steven B.
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Old 03-06-2011, 06:05 PM   #5 (permalink)
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See this recent thread -- same problem, solution found.

Front Windshield Washers do not spray.

Let us know what you find.
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