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I need to replace my tailgate wiper motor in my 1989 Jeep grand wagoneer ...is it possible to get a replacement and if so how please

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  • Jeep Master
  • 61,795 Answers

Cheap with local salvage yard

Posted on Feb 28, 2019

Testimonial: "Thanks Ray for your reply but I should have added I’m in Australia and the salvage yards here just don’t see these beautiful cars ..I have no problem in paying for one but just need a little help getting one"

  • 2 more comments 
  • ray gallant
    ray gallant Feb 28, 2019

    there in lies another problem things last longer there than they do in the USA many that old have been crushed and recycled . wish I could be more helpful .

  • Colin livermore
    Colin livermore Mar 01, 2019

    Thanks Ray for your feed back ..my daughters heading over there in August so I’ll try and tee 1 up she can pick up for me while there..thank you again

  • ray gallant
    ray gallant Mar 01, 2019

    NO PROBLEM

  • ray gallant
    ray gallant Mar 09, 2019

    UPDATE I MENTIONED TO MY NEPHEW ABOUT THIS AND HE DID A QUICK SEARCH USING WWW.GOOGLE.COM FOR REPLACEMENT PARTS FOR JEEP GRAND WAGONEER AND HE SAID THERE WERE SEVERAL CAME UP . PERHAPS IT WILL WORK FOR YOU AND DAUGHTER TOO CHEERS https://www.google.com/search?q=1989+GRA...

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6 Suggested Answers

6ya6ya
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SOURCE:

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Posted on Jan 02, 2017

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  • 95 Answers

SOURCE: Replace the front wiper motor 2000 Grand Caravan Dodge

It is on the firewall under the hood. It has 3 to 4 bolts holding on. Be careful when taking it out to see how the new one lines back up. Hope it helps.

Posted on Mar 30, 2009

  • 54 Answers

SOURCE: How to replace Motor Rear window in Jeep grand

Before you replace the motor, pull your boot back and check the wiring in the hinge of the door. They may be broken.

Posted on Oct 02, 2009

  • 3600 Answers

SOURCE: I need instuctions to replace the rear wiper blade

Take it to any parts store and they will do it for you for free, there are three types, the rocker type which you have to raise the wiper arm away from the glass then pull the tab up then slide the wiper down and slide the wiper off the wiper arm. but the best thing is have someone show you how to do it for the first time sometimes they can be tough to get off.

Posted on Jan 19, 2010

Testimonial: "Thank you for the info it is very helpful."

  • 5 Answers

SOURCE: How do I remove and replace the rear wiper motor

remove the rear wiper arm take off the panel from the rear liftgate the wiper motor is accessible from there

Posted on Mar 13, 2010

  • 3 Answers

SOURCE: HOW DO YOU REPLACE REAR WIPER MOTOR ON A 2004 JEEP

This info taken fro a Jeep Forum. Should be helpful if you want to remove and attempt to repair yourself:
Repair Rear Wiper Motor
Tools you'll need:
Some kind of thin metal rod like a wood nail
Small Flathead Screw driver or knife
Crescent Wrench or correct sized box wrench
Socket Wrench
10mm Socket
Multimeter
Optional: Panel puller for the plastic clips on your hatch panel
Optional: 7mm socket for the gear-box

Clean up:
PB Blaster
WD40
Water
Small Wire Brush
Small-er wire brush that can fit inside a small canister.
Shop Vacuum Cleaner
Elbow Grease

Type of Motor: "Permanent Magnet DC Motor" Google it for information on how it works.



Step 1: Removing the motor
Alright, got your tools ready? Good, let's get to work.

First, remove your wiper arm blade. Accomplish this by pulling the arm back from the back hatch until it stops, insert your small object(I used a nail) into the two small holes on the wiper arm to keep it in place. Now take your screwdriver(I used a knife) and look for the spring loaded tab right next to the output shaft from the motor on the hatch(The tab is attached to the arm). Lift it, and pull the wiper arm off.

Got it off? Great. Now take your crescent wrench and remove the thin nut that's threaded around the base of the output shaft. The plastic cap on the outside of the hatch is now only held on by the motor and fluid hose, be wary of this small part falling and hitting you in the head.

Now open up your hatch and prop it up if it doesn't stay up. Carefully remove your rear panel, or in my case, just rip it off because it's barely held on by the plastic tabs anyway. Set it aside, and unplug your motor from the wiring harness. There's a big black connector, you can't miss it, it's on the passenger side of the motor(NOT the driver's side, there's another connector there that's apart of the motor assembly, you don't need to undo that)

Now that the connector is undone, get to work with your 10mm socket and undo the two bolts that are horizontally parallel to each other. There are four bolts total, two horizontal that hold the silver plate onto the hatch, and two vertical that hold the motor to the silver plate. Fiddle with the motor until it comes out, it'll be a pain in your rear because the wiring harness will get in the way, the output shaft wont wanna come out of the hatch, ect, just fiddle with it until it comes out.

You might also wanna make sure to re-connect the window cleaner hose to the little nipple in case you disconnect it while removing the motor.



Step 2: Diagnosing the motor
Good work, you have the motor out now. As I stated before, this is a Permanent Magnet DC Motor, so it's a big cylinder connected to a gearbox with some fancy wiring do-hickeys. You want to take your multi-meter and check the continuity(14-15ω) of all of the wires; there should be about five and a few of them connect into one another..check everything.

Now there's a few things we should talk about to properly diagnose this motor, if you do a little research on the motor, you'll know what I'm talking about. Let's start.

Wires If any one of the wires are broken, you'll need to solder in some repairs. Obviously electricity isn't getting through.

Brushes If the brushes are to blame, then you can swap these out with a new set. This is an extremely common problem with electric motors, it's caused by prolonged use of the motor, or flat out wear and tear. I'm not sure where to get new brushes, but a good hardware store probably sells them.

Internal Coils The motor can be burned out due to seized gears...you have to remove the cylinder to find out for sure. If your motor is burnt out, this will be evident by the coils, they will be black as opposed to brass. If this is the problem, then just toss the motor back in to fill the gap left by the output shaft and get a new one. It's not worth the time or the effort to re-wire the armature unless you really want to.

Permanent Magnets None of the above? Proceed to step three!



Step 3: If you've made it this far...
Okay, so you've determined whether or not the motor electrically works, that means the brushes are good, that means the power is getting to and through the motor, but nothing is happening? Well, if you haven't already, open up the motor!

Take your small flat head screw driver and find the two metal clips holding the big cylinder to the gearbox. They are parallel to each other on opposite sides of the cylinder. You remove them by inserting the screw driver into the slots on the cylinder itself and prying them out; be careful as they will go flying if you use too much force. Now slide off the cylinder and set it aside.

If your motor has been sitting for awhile and you've made it to this point, you'll find out why your motor doesn't work.

It rusted out. Now again, I'm not an expert, but in all of my experiences with rusty magnets, the magnets loose their properties when rust coats their surface. Once removed, the magnetic grasp is restored. When I removed the armature case from the motor, rust literally poured out from the container. Both of the permanent magnets and the electro magnets were rusted to junk and back. Once the rust was removed, and the magnetic properties were restored, the motor worked again. Simple, right?



Step 4: My method of cleaning the rust
Take your PB blaster and spray a decent amount into the cylinder with the two permanent magnets, let that sit for awhile. Take your wire brush and begin brushing off the electromagnets on the armature as best as you can. DO NOT USE PB BLASTER for the armature. I "don't" know if the chemical will remove the insulating lacquer from the coils, but I have a good feeling it will. As you brush, the armature will spin around and be a pain in the rear, but work with it and get as much of that rust off as you can. This is where you use your elbow grease.

As you spin the armature, you'll notice whether or not the output shaft moves as you spin it. If it moves without resistance, then you don't need the 7mm socket to open the gear box. Most likely the gearbox is fine. If it doesn't, your gears may be seized or stripped. Not too much you can do about this without replacement parts. It's all up to you.

Now go back to the cylinder and take your thin metal brush and dip it into that PB blaster you sprayed in, start brushing all that **** out. What will end up happening is the magnets will begin to work again, and attract all of the rust fragments. Doh! Brush your heart out, and then pour some water into the container and swosh it around to get the PB blaster out, rinse it out a few times and then spray your WD40 into the container to get rid of the water. Take your vacuum cleaner and **** out the remaining rust fragments; use a rag to help brush the fragments out to be sucked up by the vacuum.

Cleaned it up? Good, now put it all back together and throw the motor back into the hatch.



Step 5:
Enjoy your rear wiper blade and smile at the fact that you just saved 120$ on a replacement JY motor that might have had the same problem.

Posted on May 09, 2010

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1 Answer

1999 jeep grand cherokee rear wiper not working.replaced motor and fuse is good


join a grand cherokee forum by googleing it and post this and all future questions there

Feb 04, 2013 | 1999 Jeep Grand Cherokee

1 Answer

02 liberty rear wiper dose not work plugin has power changed wiper motor still doses work


There is a nut under the black plastic bezel that needs to be removed. Here is the complete procedure for you to look at. Its possible that your arm isn't adjust at wiper motor...

REMOVAL
- Disconnect and isolate the battery negative cable.
- Remove the rear wiper arm from the rear wiper motor output shaft. (Refer to 8 - ELECTRICAL / REAR WIPERS / WASHERS/REAR WIPER ARM - REMOVAL).
- Using a small thin-bladed tool, gently pry at the notch in the base of the rear wiper motor output shaft bezel to unsnap the nut cover from the bezel (REAR WIPER MOTOR OUTPUT SHAFT NUT REMOVE/INSTALL). Be certain to take proper precautions to protect the outer tailgate panel and its paint finish from damage during this procedure.
- Remove the nut that secures the rear wiper motor output shaft to the outer swing gate panel (REAR WIPER MOTOR OUTPUT SHAFT NUT REMOVE/INSTALL).
- Remove the bezel and gasket from the rear wiper motor output shaft.
- Remove the trim panel from the tailgate inner panel. (Refer to 23 - BODY/SWING GATE/TRIM PANEL - REMOVAL).
- Disconnect the tailgate wire harness connector for the flip-up glass ajar switch from the flip-up glass latch connector receptacle.
- Disconnect the tailgate wire harness connector for the rear wiper motor from the motor connector receptacle (REAR WIPER MOTOR REMOVE/INSTALL).
- Loosen the two screws that secure the rear wiper motor mounting bracket to the top of the tailgate inner panel.
- Slide the rear wiper motor and mounting bracket forward far enough to disengage the two mounting screws from the keyed slots in the top of the tailgate inner panel.
- Remove the rear wiper motor and mounting bracket from the tailgate as a unit.

zjlimited_494.gif

1 - BEZEL AND GASKET
2 - OUTPUT SHAFT
3 - TAILGATE OUTER PANEL
4 - NUT
5 - NUT COVER

What you will need to do is to remove the small plastic cap on the wiper arm by prying it off with a screw driver. Then remove the nut that holds the arm onto the shaft. Then get yourself a battery cable puller (from auto parts store) and pull the arm off of the shaft..

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1 - SPARE TIRE
2 - WRENCH
3 - FLIP-UP GLASS
4 - PARK RAMP
5 - REAR WIPER ARM
6 - PIVOT COVER

Jul 19, 2011 | 2002 Jeep Liberty

2 Answers

Front window wipers wont work


FIRST CHECK FUSE TO WIPERS IF FUSE IS OKAY THEN YOU WILL HAVE TO TAKE A TEST LIGHT AND TEST FOR POWER AT THE CONNECTOR TO THE WIPER MOTOR IF POWER IS PRESENT THEN THE MOTOR IS BURNT, WILL NEED TO REPLACE ALSO POSSIBLE WIPER TRANSMISSION MIGHT BE BROKEN, ALSO NEED TO VISUALLY SEE

Feb 01, 2011 | 1997 Jeep Grand Cherokee

1 Answer

HOW DO YOU REPLACE THE REAR WIPER MOTOR ON A 2003 JEEP LIBERTY?


REMOVAL
  1. Disconnect and isolate the battery negative cable.
  2. Remove the rear wiper arm from the rear wiper motor output shaft.
  3. Using a small thin-bladed tool, gently pry at the notch in the base of the rear wiper motor output shaft bezel to unsnap the nut cover from the bezel .Be certain to take proper precautions to protect the outer tailgate panel and its paint finish from damage during this procedure.
  4. Remove the nut that secures the rear wiper motor output shaft to the outer swing gate panel
  5. Remove the bezel and gasket from the rear wiper motor output shaft.
  6. Remove the trim panel from the tailgate inner panel.
  7. Disconnect the tailgate wire harness connector for the flip-up glass ajar switch from the flip-up glass latch connector receptacle.
  8. Disconnect the tailgate wire harness connector for the rear wiper motor from the motor connector receptacle
  9. Loosen the two screws that secure the rear wiper motor mounting bracket to the top of the tailgate inner panel.
  10. Slide the rear wiper motor and mounting bracket forward far enough to disengage the two mounting screws from the keyed slots in the top of the tailgate inner panel.
  11. Remove the rear wiper motor and mounting bracket from the tailgate as a unit.
To Install just reverse steps

Jan 23, 2011 | 2003 Jeep Liberty

1 Answer

My 89 jeep grand wagoneer started overheating on the highway but the temp stays at 220 if i keep it under 55mph. replaced the fan clutch 7 months ago.


That can be your thermostat that do not open(stuck) when the motor is warm, take that out and drive for a few miles but keep an eye on the heat indicator if the problem still exists then your radiator need a flush. remember a thermostat is for cold conditions, if you saying in a warm area or country that thermostat is not necessary

Dec 12, 2010 | 1989 Jeep Grand Wagoneer

1 Answer

I went to use my wipers on my jeep and they wont turn on now i replaced the fuse but nothing


The wiper motor is burned out or the commutator in the motor is worn,

With the wiper switch in the OFF position, manually grab both wiper arms and move the wipers from their "parked" position.
Now turn wiper switch ON.

They may work from now on; if not, then the wiper motor needs replacement.

By the way, was the fuse blown?? (It won't change the answer).

Hope this helps...

Sep 07, 2009 | 1989 Jeep Cherokee

1 Answer

1989 jeep wagoneer will not crank. Motor turns over and there is fire on the plugs. changed the fuel pump and filter. (Pump was bad) Fuel delivery is not right.


replace the crankshaft poisition sensor at the bell housing on drivers side, must be done from under the truck, very hard to see and even harder to replace, but that will be the problem..

Jul 01, 2009 | 1989 Jeep Grand Wagoneer

1 Answer

Tailgate door and window won't open


Check in your user's manual for your fuse location on the rear windshield wiper. These grand cherokee's have electronic actuators in every door. Inside these actuators they have very little motors and move everything via plastic. Very bad design flaw, as most of these actuators are 300-400 dollars to replace. You can find ones in salvage yards for 50 though. On your rear hatch, the door and the window are run by this actuator.

Aug 25, 2008 | 2001 Jeep Grand Cherokee

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