How to fix a misdirected windshield washer

From the 2013 operators manual;

Push the windshield wiper lever forward to spray washer fluid on the rear window. The lever returns to its starting position when released.

The windshield washer reservoir is used for the windshield and the rear window. Check the fluid level in the reservoir if either washer is not working.

There is a electric motor that pumps washer fluid . Located in the bottom of the washer fluid tank .
Wash Operation (Front and Rear Wipers)
The front and rear washer systems use the same windshield washer fluid pump. When either the front or rear wiper is in the washer position voltage will be supplied to one side of the windshield washer fluid pump (depending on whether it is front or rear), while the other side of the pump is grounded.
At this point, the windshield washer fluid pump sprays solvent onto the windshield. When the front or rear washer is activated, the BCM receives an input from the switch that is activated. The BCM will control the wipers while in the WASH mode. The BCM will control either the front wiper relay or the rear wiper relay to turn on the wipers. The windshield wipers operate at low speed for 3 swipes and returns to the park position.

When turning on the washers do you hear the motor run ? Have some one try it while you listen at the washer fluid tank ! These pump motors do go bad .
turn OFF the ignition.
Disconnect the harness electrical connector of the windshield washer fluid pump.
Connect a test lamp from the windshield washer pump control circuit to a good ground .
Turn ON the ignition, with the engine OFF.
Press the front washer switch.
Does the test lamp illuminate?
YES or NO !

GMC Acadia Forum: Front washer fluid not working. Help?

www.acadiaforum.net > ... > Problems, Recalls, TSBs, FAQs & Links

Dec 3, 2010 - 17 posts - ‎12 authors
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Maybe the outlet tube is obstructed? Look for oulley and try to clean it with a needle
Or maybe the tube got disconnected from the pump? Have look inside

Check the fuse first - replace if blown
If that does not fix it, pull the tubes off the spray outlets in the hood to see if fluid come out of the hoses when the switch is used, If it does, the problem will be blocked jets - probably with wax.
If nothing comes out of the tubes, you have a failed washer pump OR a fault in the wiring. The latter can be checked with a probe or multimeter. There should be 12+ volts on the positive side. Also check the ground wire with the ohmeter - a common fault

The hose that feeds the washer has popped off or has cracked, replace or repair

Sounds like the rubber hose broke between the Tee fitting and the spray nozzle. If the nozzles are between the hood and windshield, you may have to remove the wiper arms and the panel under the windshield to get to the hose.

I know an easy fix if you can get access to the rubber tube that is the opposite end of where the fluid comes out of. Just blow into the rubber tube as hard as you can. When the obstruction blows out of the tip of where the fluid sprays on your windshield then hook the rubber tube up and test your washers again. Ive done this many times and its always worked for me.

I hope this helps you out.

The washer jets are either full of car polish (if you polish it), or blocked with dirt from the washer fluid bottle. Blowing them with an air hose normally clears this out. You can then adjust the jet direction with a safety pin. Hope this helped...

Windshield washer spray nozzles ( at least for the ones that are on the hood that spray the fluid onto the windshield ) hope this helps.