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2002 Jeep Grand Cherokee front windshield washer won't work. The rear one is fine. What should I check?

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  • Jeep Master
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When you activate the front washers. Do the wipers also activate? If not check for a blown fuse first. This vehicle has one pump for the front wipers and one for the rear. You will need a test light or multimeter to continue and you will need someone to assist you during testing. If the front wipers are working then you need to test the wiring to the front pump. Locate the front pump and unplug the electrical connector. You will use your tool to test for 12V grong to one terminal and test for 12V momentary power at the other terminal. Your helper will be needed to test for the momentary 12V power. You will ask that person to turn the ignition key to the RUN position (NOT RUNNING) and activate the washer pump level. Through one of your tools you should see power when you ask them to activate the washers and you should see the power go out when you ask them to release the lever. If no power is detected. Verify that your tool has a good connection on both connection ends. If there is power and ground you most likely need a new pump. If there is no power you will need to let me know how you want to continue.

Posted on Dec 06, 2019

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Posted on Jan 02, 2017

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fusster

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SOURCE: 2002 vw golf rear windshield washer

the washer pipe will have blown appart.this happens if you opperate the rear washer when it is frozen.it will either be off in the tailgate usually when this happens there is water around the catch when you open the tailgate.or in the headlining in the left rear,have a feel and see if the headlining is wet.to avoid this reoccuring use a good screenwash with frost protection.

Posted on Feb 08, 2009

Richard Scordino

  • 6982 Answers

SOURCE: My 2005 Jeep Grand Cherokee's windshield washer is not working.

Check power at the pump motors. You may not see a fuse because some run off a circuit breaker. If all else fails, a bit "backyard" but you likely could break out the washer pumps from the system and make a simple push button on the dash to operate them.

Posted on Jul 08, 2009

gerberardon8

  • 27 Answers

SOURCE: 1997 jeep grand cherokee front windows not working, rear working fine

In that jeep you have the two modules in the front doors (driver door module DDM and passenger door module PDM). They both are energized through a circuit breaker. Chech the breaker as a first step. It is located in the fuse panel named K. The fuse panel has only two circuit breakers, check the one that is located above the other one. The fuse panel is located on the kick panel on the passenger side, just ahead of the hinge, inside the vehicle you will see it has a piece of plastic as a little door you can grab and pull to expose the fuses.

Posted on Aug 11, 2010

cansmo

Reynaldo Andico

  • 2431 Answers

SOURCE: 2002 jeep grand Cherokee change batt. Now it starts but won't run?

Because you disconnected the battery you lost the long trim value,you will now have to relearn the idle,start the vehicle idle it to 1500 RPM,hold for a minute,idle should stabilize,turn on A/C let it idle,for a minute,now your done,

Posted on Aug 19, 2012

tj abernathy

  • 12 Answers

SOURCE: rear windshield wiper sprayer doesn't work but the fronts work fine 2002 jeep liberty limited

The rear wiper has its own pump motor. pull the hose from the wiper and have someone engage to see if there is a clog. do the same at the motor. if bo liquid comes out then its the pump. also check fluid level in reservoir as well as a possible secondary reservoir

Posted on Dec 01, 2012

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